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The cortical activation model (CAM).

Author information

Affiliations

  • 1. Laboratory of Brain-Computer Interface (BCI-Lab), Institute of Knowledge Discovery, Graz University of Technology, Krenngasse 37, A-8010 Graz, Austria.
      Authors
    • Pfurtscheller G 1
    (1 author)

Progress in Brain Research, 01 Jan 2006, 159:19-27
https://doi.org/10.1016/s0079-6123(06)59002-8 PMID: 17071221 

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Abstract 

The Cortical Activation Model (CAM) is an attempt to explain whether an internally or externally paced event reveals an event-related desynchronization (ERD) or event-related synchronization (ERS) in a specific frequency band. It is assumed that the amplitude of network-specific oscillations depends on, in addition to other factors, the number of neurons available for synchronization and the excitability level of neurons and forms a bell-shaped curve with a maximum of oscillatory activity at a certain balance of both factors. Depending on the baseline level of cortical activation (CA) and the location of the "working point" (WP), a sudden change of activation can induce either ERD or ERS in a given area.

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Read article at publisher's site: https://doi.org/10.1016/s0079-6123(06)59002-8

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