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Meeting 2 (Barry (Study (Results (image (interhemispheric), Frontal…
Meeting 2
Barry
EEG coherences
correlation in time between 2 signals within frequency band
gives information about coupling brain activity between regions
Changes
4-6
frontal regions and left frontal-occipital
8-10
fronto-temopral right
Performance
Poor
Low alpha, high others
Two-process model
Thatcher 1986
Long fibers
Responsible for long distances
Short fibers
increased density reduces coherence
Study
Examine inter/intra hemispheric coherence in normal children from 8-12
Developmental effects
Gender effects
Results
interhemispheric
Frontal regions
Temporal
Casey
Quite old (2005)
Order of maturation:
Sensory motor areas
Temporal and parietal association cortices
Higher-order association areas
prefrotal, lateral temoral
Basic language and spatial attention
Gray matter
inverted U
White matter
linear
