W7_08 Intro to Higher Functions

Question 1

neglect usually occurs in a lesion on which side of the brain?

Answer 1

right hemisphere (usually parietal lobe)

Question 2

what is spatial acalculia?

Answer 2

inability to do manual arithmetic because neglect causes number alignment issues

Question 3

what is motor neglect and where is the lesion?

Answer 3

reluctance to use the contralateral limb (regardless of strength). lesion is in the striatum, lateral thalamus, frontoparietal cortex.

Question 4

what kind of dementia did we learn about that presents with hallucinations?

Answer 4

lewy body dementia

Question 5

what is REM sleep behaviour disorder? what is this often an early sign of?

Answer 5

lose the paralysis during REM sleep, so person can act out dreams. often early sign of parkinsons

Question 6

what is semantic dementia? where is the lesion?

Answer 6

speech is fluent and grammatical, but forgetting the meaning of words and objects. bilateral temporal pole and inferolateral cortex.