Our Necessary Shadow
By Tom Burns
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About this ebook
Tom Burns
Tom Burns is Professor of Social Psychiatry at oxford University. in addition to his clinical and teaching work, he has produced nearly two hundred peer-reviewed scientific articles. He lives in England.
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Our Necessary Shadow - Tom Burns
Introduction: What is psychiatry and what is it for?
I wrote this book to give an understanding of what psychiatry is, what it can do and what it cannot do. Yet there is no shortage of books ‘about’ psychiatry. There are hundreds of books and hundreds of column-inches in newspapers published about psychiatry and mental illnesses. They include everything from cutting-edge brain sciences to self-help manuals for personal problems and emotional wellbeing. Most of these books or articles have a specific message, perhaps an axe to grind or an enthusiasm to promote. A searing criticism of psychiatry as an instrument of social control on the one hand or promising a cure for anxiety and self-doubt on the other, they generally only give enough detail about psychiatry to anchor their message. The picture of psychiatry most of us have is built from such fragments and not surprisingly it can seem confusing and rather incoherent.
Despite so much being written around psychiatry it is hard to find much on psychiatry itself. David Stafford Clark’s Psychiatry Today was the last widely read and fully comprehensive account in the UK. Published by Penguin in 1951 it remained in print well into the 1970s. Anthony Clare’s Psychiatry in Dissent was published in 1976 and covered several controversial issues from a psychiatrist’s perspective. There has now been a whole generation without an attempt to explain the subject fully to the interested outsider.
Why should there be such a need? There is no series of books explaining all the other branches of medicine. There is no Orthopedics Today or Dermatology in Dissent. What is so special about psychiatry that means it needs to be explained? For good or ill, psychiatry is different. There is something about it that excites stronger feelings than other branches of medicine and attracts debate.
Faced with the sociologists’ damning critiques and the Utopian promises of some current neuroscientists or self-help gurus, which should you believe? Should you believe either? Is it perhaps possible to believe both? Can it really be the case that psychiatrists get things quite so wrong and if so why do we continue to let them? Why do we pay our taxes and fund a profession that is, if its critics are correct, at best irrelevant and behind the times, or at worst malign and destructive? How does it survive withering contempt such as that from one of its leading historians, the sociologist Andrew Scull:
Reflecting the poverty of its cognitive accomplishments, its persistently dismal therapeutic capacities, and the social undesirability and disreputability of most of its clientele, psychiatry has enjoyed a perpetually marginal and unenviable position in the social division of labour – a profession always, so it seems, but a step away from a profound crisis of legitimacy.
Andrew Scull, Social Order/Mental Disorder, 1989
Yet society does continue to support it; we have done for generations and it continues to survive. Psychiatry not only persists but flourishes and expands and does so in all developed health care systems.
I hope to clarify some of these contradictions so you can decide for yourself. To make any real sense of most of these issues needs some understanding of what psychiatry is in its entirety. Highlighting one tiny facet of it devoid of context is hopelessly misleading. A real judgement requires some familiarity with psychiatry’s history and practice, the extent of its reach, and its strengths as well as its weaknesses. There is no shortcut to this: it needs a fairly detailed book. The reason for this is that psychiatry is not based on a single, tidy and coherent school of thought. This is one of the commonest criticisms of it by its detractors and it is one to which we must plead guilty as charged. It is not a tight intellectual discipline, but a complicated human endeavour. Like the rest of medicine it has been shaped by the illnesses it treats, evolving piecemeal as a practical body of knowledge and skills. Nobody sat down and designed it.
Psychiatry does not rest on a single unifying theory that shapes it and dictates the disorders it should treat or how it should treat them. We cannot predict mental illnesses and their characteristics in the way astronomers predicted the existence of the planet Neptune from Newton’s laws of gravity. There is no psychiatric equivalent of the Higg’s boson, no killer-fact to confirm or refute psychiatry’s legitimacy. It expands and contracts over time and in different areas depending on what confronts it. Not only are people and their needs endlessly varied but the illnesses themselves change over time. Illnesses such as general paralysis of the insane were commonplace in asylums a century ago but have simply vanished, or, like hysteria, have all but gone. Other conditions, such as the eating disorders, once academic rarities, have now become virtual epidemics. So psychiatry is untidy and unwieldy and if we want to understand it we have to just accept it is so. How could it be otherwise, dealing with conditions as diverse as anorexia nervosa, dementia and schizophrenia? If you were going to design it from scratch then it would probably not look like this.
The illnesses that have shaped psychiatry do, however, have a clear thread running through them. They exist between people. They are not contained within an organ or a body but depend on social relationships, human interaction, for their very being. Mental illnesses are composed of experiences and behaviour which can only have meaning if they are conveyed to or observed by others. Diagnosis relies on a social interaction in which a meaning can be infused into observation. Similarly, treatment depends on face-to-face engagement with another individual. Andrew Scull described psychiatry as ‘preeminently a moral enterprise, involved with the application of social meanings to particular segments of everyday life’. His colleague Michael MacDonald captured it perfectly:
Madness is … the most solitary of afflictions to the people who experience it; but the most social of maladies to those who observe its effects.
Mental illness is something that most of us can grasp intuitively. It is easy to recognize but hard to define and gives rise to endless disputes at the margins. We recognize it in disturbed behaviour and strange thoughts and feelings but there is more to it than just that. Central to psychiatry’s understanding of mental illness is a judgement that patients have become somehow ‘different’ from their usual selves and that this is not under their control. Either we experience them as changed and different or they experience themselves as different. They may also be different from those around them with some odd kinds of behaviour or attitudes, but eccentricity alone is no basis for diagnosing mental illness. We can be very different from those around us for all sorts of reasons without being mentally ill, and thank heavens for that. Mental illness includes a sense of change, of ‘alienation’ from the normal self and a sense of lack of control over that change. This book will trace how this sense of alienation has given rise to the concept of mental illness and to the practice of psychiatry. This already complex concept is complicated further by having two separated and very different origins. These merged to form the profession we have today, with a unique, hybrid character that so frustrates those who want to pigeonhole it.
Diagnoses which imply that current behaviour is not just odd or different, but ‘changed’, are always going to be open to challenge. And so they are. Psychiatrists cannot confirm their diagnosis by simply holding up an X-ray and pointing out a fracture. Even if we had such tools (which sadly we do not) they would still miss this central quality of change and the need to locate it in some understanding of personal identity. Two people could be behaving in exactly the same way but one of them considered mentally ill and the other not. Threatening and hostile behaviour in one man may simply be how he is – a truculent and difficult character. In another who is normally quiet and diffident it may indicate a manic mood swing. So the very concepts on which psychiatry is built invite controversy.
Like the rest of medicine there is inevitably scope for mistakes and misdiagnoses. Doctors identify illnesses by recognizing patterns; they do not start from some theoretical definitions of health and sickness. Obvious cases of any illness, when all the signs and symptoms are present, cause no difficulty. But people vary, and so do illnesses. Sometimes we see all the symptoms and sometimes only some, so are very certain in some cases and less so in others. The same treatment for the same illness can sometimes cure the patient, sometimes just help and sometimes fail completely; not everyone given antibiotics for pneumonia recovers. We seem to accept this as a matter of course in general medicine but are strikingly less forgiving with psychiatry. Variations in outcome are often held up to show that psychiatric treatments are ineffective or, more radically, that the illnesses are simply bogus. These double standards contribute to persisting arguments about psychiatry, especially in controversial treatments such as electroconvulsive therapy (ECT), and I explore them in the following chapters. Psychiatry has also expanded into areas where it is unclear if it has anything useful to offer. Undoubtedly in some cases the answer is a resounding ‘no’.
I worry that I may have devoted too much of this book to psychiatry’s mistakes and controversies. I hope this does not come over as implying that psychiatry is a bad thing, as its sternest critics propose. I clearly do not believe this, quite the contrary. I am convinced psychiatry is a major force for good or I would not have spent my whole adult life in it. I have dwelt on the controversies for two reasons. First, because I believe they do deserve to be taken seriously; there is much of substance in what our critics say. But more importantly it is in exploring these difficult areas that we more clearly recognize what is unique and special in psychiatry. We can see how it is forced to operate in zones of ambiguity, engaging with the uncertainties of human behaviours and motivations, feelings and relationships. It is a branch of medicine and has much in common with all the other subspecialisms but it is also very different, and different in fundamental ways. Denying these differences fools only a few. Retreating to the comfort of a rigid medical orthodoxy requires either blinkers or distorting what we do. It also results in a narrow, depersonalized and mechanical care that satisfies neither patient nor psychiatrist.
Psychiatry has made mistakes and will continue to make further mistakes. I hope, however, that a recognition of the massive good it does, and a fuller understanding of the constraints under which it has to operate, will put these failings in perspective. Most people who consult a psychiatrist benefit from the encounter; they get relief from often intolerable symptoms. That relief may not always be permanent, but it is much appreciated and for some it is life-saving. So what follows will be an exploration of the nature and meaning of psychiatry, medicine’s most disputed discipline.
So why did I become a psychiatrist? Best to be frank. I had decided early on that I wanted to be a psychoanalyst. I had read my Freud and, like most adolescents, was certain I knew exactly how to sort the world out. Fate, however, took a hand. My mother suffered a serious nervous breakdown when I was fifteen. My brother and I then lived with her recurrent breakdowns for the next twenty years. As time went on these became more and more severe, and less and less comprehensible. They often required her to be admitted to hospital. She didn’t receive psychoanalysis but she did have psychotherapy sessions on and off for several years. She took antidepressants and tranquillizers and on two occasions had ECT. I had been strongly prejudiced against pills and ECT but had to eat my words when I saw the enormous relief they brought her (and us). By the time I was a medical student I had become set on being a psychiatrist.
The things my mother’s illness taught me are the basis of this book. I learnt that mental illnesses are among the most awful a person can suffer. I still believe this, even after working on cancer wards and acute surgery units. There is something uniquely devastating about the way that they can rob you of your sense of identity and self-worth. Secondly I learnt that psychiatric treatments really do make an enormous difference; there is nothing second-rate or trivial about their effects. When the treatments began to work the improvements in my mother were simply wonderful.
I also learnt over the years that relationships are key. The kindness of nurses, the concern and engagement of doctors, still mattered enormously even when the ECT was working its apparent magic. Even at her worst my mother knew and appreciated when she was listened to and taken seriously (and so did we). My brother and I had no illusions about this; we knew just how difficult our mother could be, how hard she could make it for staff to be nice to her. Over these years I also learnt that there is an enormous variation in psychiatric care and that the difference between the good, the mediocre and the poor really does matter. Lastly her illness taught me to recognize the limits of what we can understand, to accept a level of uncertainty and to be intolerant of dogma. Psychiatry abounds in theories and we do need theories. We need them to structure our thinking and to guide research, but they are just theories, just tools. Theories come and go; it is what works that matters.
So this book is probably more descriptive than explanatory. It does not try to give (and certainly does not succeed in giving) a simple explanation of psychiatry and mental illness with all the loose ends tied up. There is much we know about mental illnesses and their treatment, but less about the reasons for them or their ultimate causes. One thing that is clear is that they are not arbitrary; they are not like catching influenza or breaking an arm. I believe they are intimately linked to that which makes us human in the first place and they arise from our complexity as sentient creatures and our engagement with others.
The existence of mental illnesses is only possible because we are self-aware and reflective. They have always been with us. Just as mental illnesses reflect what is human and difficult about us so the drive to relieve this suffering is even more human. Psychiatry, for all its flaws, currently represents our best attempts to discharge this most human of impulses. It is not something we can just ignore or decide to leave. It is our necessary shadow.
WHAT CAN YOU EXPECT FROM THIS BOOK?
When sitting down to write this book I made three decisions that I need to explain. First, I have allowed some repetition in the chapters; hopefully not too much, but some. This is not a novel or a textbook and I do not expect it to be read religiously from first page to last. I assume you will pick it up and put it down and perhaps skip first to the bits that interest you most. Sometimes the same brief background is needed to set the context in different chapters and help make them comprehensible. It seemed easier to summarize the more important bits than to keep referring back to preceding chapters. I have tried to avoid jargon and where technical terms are unavoidable I have usually defined them briefly when I first use them. But for simplicity most of them can be found in the glossary at the end of the book.
You will decide where you want to start but I would encourage you not to skip over Chapters 2 and 3. These deal with the dual origins of psychiatry. They provide the scaffold on which so many of the subsequent developments build, and from where the inherent tensions and confusions stem. Chapter 2 describes the origins of the more medical, or organic, side of psychiatry with the classification of ‘madness’ and the building of asylums. Chapter 3 outlines the less well-known psychological origins of psychiatry, the development of our modern understanding of the mind and in particular the role of unconscious thought.
The second decision was not to give references to scientific papers and books. This was a more difficult decision and I should explain my reasons. Reading habits have changed, as I am very aware in myself. We now often go to the web to get extra background, to get more detail or find pictures of places or characters. You don’t need me to include a picture of Carl Jung to see what he looked like: Google will provide a selection in seconds. There is also the problem of where to draw the line; it would be all too easy to end up with literally hundreds of references and what would be the point of that?
There is, however, a much more important reason for not including references. Indeed it was one of the things that got me to write this book. While reading a particularly influential and critical book about psychiatry it was the reference list that got under my skin. Let me explain. References to previously published work are included in scholarly texts to support the point being made or to direct readers to source material for further research. However, the expectation in scholarly work is that all the relevant source material should be cited. In science that means those references that support the author’s argument but also, crucially, those that contradict it. Most scientific papers go through a peer-review process to get published. In this process the reference list is scrutinized by the reviewers as carefully as the text and tables. If we find partial or biased citing then the paper is likely to be sent back to the authors for revision to include and account for them.
I assume that reference lists are balanced and comprehensive because they have been through this peer-review process. This is not necessarily the case in books. The critique of psychiatry I mentioned above is erudite and powerful in its own right, but I found myself increasingly irritated by the citing of the papers and books that supported the author with an absence of those advancing the alternative viewpoints. I am steeped in the subject, it is my job, so I knew many of these counter-arguments and recognized how much was missing. Many readers would have assumed that the references confirmed the settled academic consensus on the topic. Partial or inconsistent citing of references risks confusing opinion with science so I do not want to do it. It is all too easy to cite a weak counter-argument and then demolish it. I have tried to make clear what is my opinion and what is firmly established and accepted. I have included a bibliography of major sources and further reading. However, if you want more information then modern technology puts the tools at your fingertips to hunt for a broader understanding.
‘Only the future is certain, the past is always changing’ was a repeated quip in the old Soviet bloc. So it is with science generally, including medicine. Old certainties are constantly reformulated by new data. New evidence can convert opinion to knowledge, but also convert knowledge to opinion. Increasingly accurate astronomical measurement of the movement of the planets ‘proved’ Newton’s theory, but as they became even more accurate the very same measurement disproved Newton and confirmed Einstein. Absolute certainty is rare: there is no shortage of disagreement even about apparently obvious historical data, as I found in my research for this book. Where things seemed uncertain I have made every effort to check the facts, but this is not a work of historical scholarship. I have not gone off to obscure libraries to confirm and compare original sources. I have relied on a broad reading of accepted texts and authorities.
The scope and shape of this book inevitably reflect my opinions of what is important in psychiatry. I have included what is durable and important in treating patients but also several theories that are central to understanding the discipline. This is ultimately a personal judgement. I am pretty mainstream, but lean more towards the psychotherapeutic side of psychiatry than most in my profession. The emphasis of the book reflects this. There are many psychiatrists who are intensely antagonistic to Freud and psychoanalysis and will think I have given him and it far too much space. In terms of current clinical practice they are right – psychoanalysis is not a significant treatment in modern psychiatry. On the other hand it has had enormous influence on both psychiatric thinking and practice and also on our Western world view. The space given to it reflects my bias and you can judge it in that light.
I have tried to be open about where my views are minority ones (such as about addictions). I hope I have succeeded in conveying both sides in the debate and that declaring my own beliefs allows you to factor that into your conclusions. Similarly I have tried to indicate those areas where I believe there is little real doubt, where our understanding is well established, and those areas where our understanding is still quite shaky.
CAN WE REALLY KNOW WHAT IS GOING ON IN ANOTHER’S MIND?
Many people do seem to find psychiatry interesting and have strong opinions about it. This should not surprise us. Whether our preferred reading is celebrity gossip magazines or Dostoevsky we are interested in people and in what makes them tick. We want to understand their motives. What is it about him that makes him do that? Why is my boss such a stickler for detail? What does she see in her awful fiancé? Wanting to know why people are the way they are, and behave the way they do is not just nosiness. We have to be interested in how other people think and behave.
Biologists tell us that the success and survival of each individual animal (whether a pigeon, a baboon or a human being) depend as much on how well it copes with members of its own species as with escaping its various predators. In the race for survival our main competitors are our own kind; we compete for the same food, the same partners, the same shelter. Being able to work out what the other person is likely to do is crucial, and we often have to decide instantly. If someone has pushed in front of us in a queue should we tell them to wait their turn, or is discretion the better part of valour? We have to be able to distinguish a friendly interest from a sexual approach, frustrated irritation from impending violence, curiosity from cunning, tolerance from indifference.
These decisions are so frequent in our daily lives and they happen so quickly and so automatically that we take them for granted. In truth such intuition is a remarkable and sophisticated process. It involves an assessment of what is going on in another person’s mind. We may base these decisions on fairly obvious considerations such as how intoxicated they are, or something more intangible such as an air of hostility or truculence. We may decide from their facial expression or body language, how unsteady they are on their feet, or even from their dress. All this implies understanding the mental processes of those we meet, inferring meaning from observation. If we are unable to work out what others are thinking and feeling we are at an enormous social and personal disadvantage. This is cruelly demonstrated in autism, where this ability is severely restricted or missing.
Psychiatry is firmly anchored in the belief that we can understand fairly well what is going on in another person’s mind. Psychiatrists assume that by being able to get a sense of what their patients are going through and how they are responding to it, grasp their inner world if you will, we can help them. Psychiatry is concerned with the thoughts and feelings of people who are unwell, no longer their normal selves, and it calls these states ‘mental illness’, now more commonly ‘psychiatric illness’. In doing this psychiatry is simply refining and using more intensively skills we all use every day, so why should it be controversial? All these concepts have led to bitter arguments, as we shall soon see.
There are crucial qualitative differences between mental illnesses and normal functioning: there is a line that gets crossed. However, most of the symptoms and signs – the external manifestations of mental illnesses – lie along the spectrum of normal psychology, the wide repertoire of thoughts and feelings common to us all. They are exaggerations and distortions of common, familiar experiences. We recognize them and the words we use to describe them are drawn from our own, very similar, mental processes. When we meet someone suffering from a mental illness we can see the difference in them and yet experience a deep identification with what they are going through. We can recognize clinical depression because we have experienced sadness and depression ourselves, but we still sense that it is something different.
Psychiatry touches directly on that which is most human in us, the central core of our being – our identity or, if you wish, our ‘soul’. Consequently it is almost impossible to be neutral about it. Psychiatric problems have their origins in the very fundamentals of our humanity, the basic contradictions in our design. These contradictions, these ‘design flaws’, presumably arose during the evolution of our enormous brains to become the planet’s most complex and sophisticated species. Yet despite our remarkably overdeveloped rational sense and self-awareness we human beings retain a bewildering range of strong, primitive emotions and drives. Compromises along this evolutionary journey to make us uniquely human have left their marks. Overall the endless interactions of these various contradictions make us a rich, varied and creative species. But for some of us these same qualities can combine to produce enormous suffering. It is the price we pay for our humanity.
A second reason for controversy is that psychiatry is fundamentally a hybrid. Its origins lie in two very different but equally powerful sources, each bringing its own heritage and philosophy. These two philosophies converge in the process of diagnosis.
A unique cornerstone of psychiatry is this understanding of others achieved initially by reflecting on ourselves and using this to recognize what is going on in their minds. It is from this understanding, called ‘descriptive psychopathology’, that we derive our diagnoses. Psychopathology is intimately linked to the symptoms and signs of mental illnesses but is not just symptoms and signs. When we describe the psychopathology of patients we attempt to describe what is going on in their minds and what they are experiencing, not just list the obvious symptoms that indicate it. We will return to this later, in particular when considering schizophrenia and so-called ‘criterion-based diagnosis’ (Chapter 11).
We clarify psychopathology during the psychiatric consultation and to do this requires obtaining an understanding of the personal meanings of what the individual describes. Such ‘guided empathy’ provides a recognition of the uniqueness of each individual patient and in particular the meaning of the symptoms for him or her. Without it psychiatry becomes impossible and meaningless. Yet the paradox is that psychiatry’s development as a separate profession is based on a quite formal codification of this human understanding. Just at the point when it has obtained an understanding of their unique significances, it steps back to organize them into diagnoses.
This step backwards can make psychiatry seem alien and impersonal. It starts off by focusing on the unique and personal meaning of experience but then appears to abandon it. Through a process of observation and organization psychiatry has constructed a relatively rational, and increasingly scientific, approach to its classifications and treatments. This can appear detached and cold. Psychiatry has to oscillate back and forth between understanding the meaning of experiences for patients and retreating to diagnoses and treatments that ignore this content and personal meaning. To make a diagnosis we have to understand the content and meaning of experiences, but in treatment we focus on their form.
This tension between ‘understanding’ and ‘explaining’ runs like a refrain through psychiatry and its history has been shaped by their relationship. Both have been dominant at different times. One hundred years ago the German philosopher/psychiatrist Karl Jaspers described these two approaches as verstehen (understanding what the patient is experiencing) and erklären (explaining what is happening to the patient). He eventually fell out with Sigmund Freud (the founder of psychoanalysis), who he believed had blurred the distinction. Each approach has strong and dedicated adherents; over the years psychiatry has swung wildly between emphasizing understanding (psychotherapy) and explaining (neuro-psychiatry). It is not really possible for one to finally ‘defeat’ the other, however, as they are two faces of the same coin. This shifting emphasis shows across time and between practitioners.
The tension between them is not just some factional spat between dedicated psychotherapists and pharmacologists. It has long-standing origins in the two pillars on which psychiatry rests, one broadly aligned to psychology and the social sciences and one to biology and the natural sciences. What came to be called psychiatry at the start of the nineteenth century arose independently from two quite separate endeavours which exert their influences to this day.
The ‘understanding’ or psychological approach arose in the search to help individuals with a range of emotional and behavioural problems that baffled both them and those around them. These are what we commonly called neuroses, such as depression, hysteria and panic. These individuals were not ‘mad’, they did not lose control of themselves or contact with reality. They were sometimes able to carry on relatively normal (albeit distressed) lives in their families and communities. The ‘explanatory’ approach initially consisted of little more than labelling and classification. It was an attempt to get some descriptive understanding of the psychoses, what was then called ‘lunacy’ or ‘madness’. ‘The mad’ were grossly disturbed individuals who had utterly lost their grip on reality. They had originally been confined in various institutions, prisons and workhouses for their care if their families could not cope. Bringing these individuals together in one institution (a ‘lunatic asylum’) had at least one positive consequence – it stimulated efforts to distinguish different types of lunacy. The resulting classification was the most prestigious development of nineteenth-century psychiatry, solidly manifest in the bricks and mortar of the asylums that were erected during this era.
From the very start these two approaches were well aware of each other. Asylum psychiatry drew heavily on what was happening outside its walls. For two centuries now the relationship between the two, like that of close siblings, has ranged from friendship and cooperation to fierce antagonism.
Does this history matter? I think it does. In everything that follows in this book these two perspectives will play their part. Making sense of psychiatry is often difficult. To have any chance of success we need to know a bit about both approaches and bear them in mind. Chapters 2 and 3 of this book recount these two histories in considerable detail, perhaps too much detail for the reader keen to dive into the dilemmas of modern psychiatry. However, current controversies, and especially the vehemence with which they are argued, are hopelessly baffling without some grasp of this history and how it has shaped attitudes and thinking. Take the role of genetics as just one example. The ‘nature versus nurture’ argument (whether your upbringing or your inheritance is responsible for your illness) has raged, literally raged, for a century in psychiatry. It clearly involves much more than can be answered by simply calculating a figure for heritability. It is a meeting point for two opposed psychiatric perspectives (and fiercely opposed world views) of whether man is a product of his nature or can shape his destiny. These two schools of thought draw on the same material but infuse it with starkly contrasting values and aspirations.
For most of this book it will not matter too much how it is read: Chapter 11 before Chapter 9, or straight to Chapter 8 for the anti-psychiatrists if that is your interest. It would, however, help to read Chapters 2 and 3 before the rest. That way you will understand these points of reference in presenting the various arguments and be better placed to form your own opinion.
PSYCHIATRY, PSYCHOLOGY AND PSYCHOTHERAPY – WHAT ARE THE DIFFERENCES?
Some clarification of confusing terminology is probably in order. Psychiatry, psychology and psychotherapy tend to be run together in popular usage. Not surprising really. There is a lot of overlap in their meaning and in truth there is often a lot of overlap in their practice. The ‘psych’ refers to the mind so they all are concerned with what we think, and feel, and what we do. Their differences are, however, important.
Psychology is the science of human behaviour. It is often taught as an undergraduate degree (currently one of the most popular) and can even be studied at high school. Psychology had its origins in philosophy, from introspective philosophers who tried to understand the nature of the human mind by examining their own consciousness. Psychologists are experts in so-called ‘normal psychology’ – personality, emotions, how we think and react. Experimental psychology came into being in the late nineteenth century, finally separating itself from philosophy and biology. In experimental psychology mental processes are broken down into their simplest components, and experiments are conducted to manipulate, test and measure them. The first experimental psychology laboratory was established in Germany, in Leipzig University, in 1879. Experimental psychologists do not restrict themselves to human psychology, but also examine animal behaviour.
In the USA William James (older brother of the novelist Henry James) was the pioneer. He taught a course in experimental psychology at Harvard in 1875 and became professor of psychology in 1889. His 1890 book Principles of Psychology dominated the discipline for decades. The Russian Ivan Pavlov’s description of the conditioned reflex in dogs gave a real boost to the scientific status of psychology. It laid the foundations for learning theory and the behaviourist school of Skinner and colleagues half a century later. Experimental psychology is an ever more sophisticated discipline which now explores all mental processes, including thinking, memory, feelings and attributions. Modern psychology has a range of well-tried instruments, including IQ and personality tests, and it increasingly uses direct measurements of brain functioning. As well as being a highly scientific academic discipline, psychology has given rise to a number of professions.
Clinical psychology applies psychological theories to assess and treat individuals with mental health problems. It is a postgraduate professional qualification requiring three to four years’ full-time training. The training specializes in ‘abnormal psychology’ (very similar to what psychiatrists would call the signs and symptoms of mental illnesses or psychopathology) and assessing and treating mental health problems with psychological techniques. These treatments are now dominated by cognitive behaviour psychotherapies (CBT). Clinical psychology is closely related to psychiatry. Educational psychologists work in schools, organizational psychologists are engaged in industry, occupational psychologists help with training and employment, and forensic psychologists work in prisons and secure mental hospitals. Clinical psychologists often work in mental health teams.
Psychiatry is a medical specialty. Psychiatrists are doctors, just as general practitioners or surgeons are doctors. To become a psychiatrist you start as a medical student and do the same training as any doctor (including working for a year or two on medical and surgical wards). Having qualified, most doctors decide nowadays fairly early on which specialty to follow. Whatever it is, surgeon, family doctor, anaesthetist or psychiatrist, it will involve a similar structured ‘postgraduate’ training, of between three and six years but varying markedly between countries. In the UK postgraduate psychiatric training requires a minimum of six years but in some of the former Soviet republics it can be as short as two years. This training is mainly practical. You work in your specialty assessing and treating lots of patients under the close supervision of a senior doctor. It is common to rotate through different branches of the specialty. There are formal exams which have to be passed but most of the training is hands-on experience under supervision. Only when you have completed your specialist training and passed the required exams can you be fully responsible for your own patients and practise independently.
Psychiatry is the medical specialty responsible for the assessment, diagnosis and treatment of mental illnesses. This is a bit circular as in many countries mental illnesses (often now called, rather loosely, mental disorders) are defined as those which are diagnosed and treated by psychiatrists. Much of the thinking (and much of the language) will overlap between psychiatrists, psychologists and psychotherapists, but the psychiatrist is unique in two ways. First, he or she can prescribe medicines. Second, in most countries it is only the psychiatrist who has the legal power to decide on compulsory treatment. How this happens varies. Judges or magistrates may sign the formal papers but in practice it is only psychiatrists who can treat patients against their will.
Psychiatrists broadly share the same approach to their task as the nurses, psychologists and social workers they work with, but they bear a special responsibility for the ‘medical model’. In essence the medical model is a very practical approach to treatment with a little less emphasis on theory (‘if it works keep doing it, if it doesn‘t work stop doing it’). Psychiatrists do, of course, use theories to structure their thinking and guide what they do, but they are not restricted to any one theory. There is no ‘-ology’ for psychiatry. For different patients (or even for the same patient at different times) they may rely on biology, pharmacology, psychology, physiology or sociology. They draw on whichever seems most helpful there and then. Psychiatry also displays its medical pedigree with its strong emphasis on personal responsibility; you, and you alone, are responsible for your decisions once you are trained. The working practices of psychiatrists are very like those of other doctors (night duty, cross cover, the balance between assessment and treatment). This medical approach is sometimes experienced as rather old-fashioned and authoritarian in the mental health teams in which most psychiatrists now work.
Psychotherapy as we now usually understand it arose from psychoanalysis but, in truth, it is both older and wider in its scope. The term can be applied to any structured use of the relationship between a therapist and a patient which uses discussion and talking to explore and to help relieve the patient’s distress. How important understanding the