Bedoin, N., Ferragne, E., Lopez, C., Herbillon, V., De Bellescize, J., & des Portes, V. (2011). Epilepsy & Behavior, 21(1), 42-51. , Jan 1, 2011
"We assessed language lateralization in 177 healthy 4- to 11-year-old children and adults and aty... more "We assessed language lateralization in 177 healthy 4- to 11-year-old children and adults and atypical
asymmetries associated with unilateral epileptic foci in 18 children with benign epilepsy with centrotemporal
spikes (BECTS). Dichotic listening results revealed two indices of immature functional asymmetry when the
focus was left-sided (BECTS-L). First, children with BECTS-L did not show left hemisphere dominance for the
processing of place of articulation, which was recorded in children with BECTS-R and control children. On the
contrary, healthy children exhibited a gradual increase in left hemisphere dominance for place processing
during childhood, which is consistent with the shift from global to finer-grained acoustic analysis predicted by
the Developmental Weighting Shift model. Second, children with BECTS-L showed atypical left hemisphere
involvement in the processing of the voiced value (+V), associated with a long acoustic event in French stop
consonants, whereas right hemisphere dominance increased with age for +V processing in healthy children.
BECTS-L, therefore, interferes with the development of left hemisphere dominance for specific phonological
mechanisms."
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asymmetries associated with unilateral epileptic foci in 18 children with benign epilepsy with centrotemporal
spikes (BECTS). Dichotic listening results revealed two indices of immature functional asymmetry when the
focus was left-sided (BECTS-L). First, children with BECTS-L did not show left hemisphere dominance for the
processing of place of articulation, which was recorded in children with BECTS-R and control children. On the
contrary, healthy children exhibited a gradual increase in left hemisphere dominance for place processing
during childhood, which is consistent with the shift from global to finer-grained acoustic analysis predicted by
the Developmental Weighting Shift model. Second, children with BECTS-L showed atypical left hemisphere
involvement in the processing of the voiced value (+V), associated with a long acoustic event in French stop
consonants, whereas right hemisphere dominance increased with age for +V processing in healthy children.
BECTS-L, therefore, interferes with the development of left hemisphere dominance for specific phonological
mechanisms."
asymmetries associated with unilateral epileptic foci in 18 children with benign epilepsy with centrotemporal
spikes (BECTS). Dichotic listening results revealed two indices of immature functional asymmetry when the
focus was left-sided (BECTS-L). First, children with BECTS-L did not show left hemisphere dominance for the
processing of place of articulation, which was recorded in children with BECTS-R and control children. On the
contrary, healthy children exhibited a gradual increase in left hemisphere dominance for place processing
during childhood, which is consistent with the shift from global to finer-grained acoustic analysis predicted by
the Developmental Weighting Shift model. Second, children with BECTS-L showed atypical left hemisphere
involvement in the processing of the voiced value (+V), associated with a long acoustic event in French stop
consonants, whereas right hemisphere dominance increased with age for +V processing in healthy children.
BECTS-L, therefore, interferes with the development of left hemisphere dominance for specific phonological
mechanisms."