Functional Map

 

Anatomy

Structure
Function
Consequence
Fornix
* connects hippocampus to mamillary bodies
* converts short → long-term memory
anterograde amnesia
Lesion in
Clinical manifestation
Cerebellar Hemisphere
extremities, dysmetria, intention tremor
Cerebellar Vermis
broad based gait, truncal ataxia, titubation
Brainstem
multiple CN, nystagmus (rotary/vertical), long-tract signs
Dominant parietal lobe
Gerstmann's Syndrome: agraphia without alexia, L--> R confusion, finger agnosia, acalculia
Posterior parietal association cortex
hemineglect
Temporal association cortex
prosopagnosia = inability to recognize familiar faces
Posterior superior temporal gyrus (Wernicke's Area)
Receptive aphasia (impairment of language comprehension)
Contralateral subthalamic nucleus / striatum, putamen
hemiballismus

Vascular