Cortex Flashcards
what are the fibre tracts in the cortex
Commissure, Association fibres, Projection Fibres
what is the commissure tract
fibre tract the interconnects the 2 hemispheres
eg corpus callsoum is the largest
what are the association fibres
interconnects 2 regions of the same hemisphere
superior longitudinal
inferior longitudinal
short fibres
uncinate
perpendicular
what is projection fibres
go beyond hemispheres
eg
Ascending: subcortical to the cerebral cortex
Descending: cerebral to deeper cortex
what are the regions of motor cortex
1 primary
2. premotor
3. supplementary
location of primary motor
pre central gyrus
location of premotor
anterior to primary motor
location of supplementary motor c
medial to premotor
Location of somatosensory cortex
post central gyrus
what does the 3A region of somatosensory
proprioceptors
what are the 4 regions of the somatosensory cortex
3A
3B
1
2
what does the 3B region of somatosensory
Basic processing of touch sensations
what does the 1 and 2 region of somatosensory
receives from 3B for more complex processing
prefrontal cortex function
High-order cognitive processes such as decision making, reasoning, personality expression and social cognition
components of prefrontal cortex
Dorsolateral prefrontal (Hippocampus) : memory storage and emotional quality
Ventromedial prefrontal (Amygdala) : modulate emotion
