21 Cerebrum

Question 1

define apraxia

Answer 1

inability to carryout a commanded or learned task,

with retained fundamental motor and sensory function

Question 2

paratonic rigidity on passive manipulation of limbs

Answer 2

gegenhalten

Question 3

pathological collecting behavior (hoarding) can be attributed to a lesion in this region

A. dorsolateral frontal lobe
B. hippocampus
C. inferior frontal lobe
D. medial frontal lobe

Answer 3

D. Medial frontal lobe

Question 4

This fissure separates the superior surface of each temporal lobe from the frontal lobe

Answer 4

sylvian fissure

Question 5

landmark for the separation of the temporal lobes and the occipital lobe

Answer 5

angular gyrus

Question 6

Blood supply to the convexity of the temporal lobe

Answer 6

inferior branch of the middle cerebral artery

Question 7

blood supply to the medial and inferior aspects of the temporal lobe including the hippocampus

Answer 7

temporal branch of the Posterior cerebral artery

Question 8

the primary auditory receptive area

Answer 8

transverse gyri of heschl

Question 9

the temporal lobes are connected to one another through the _______

Answer 9

anterior commissure and middle part of the corpus callosum

Question 10

fibers that connect the posterosuperior temporal lobe to the motor cortex and Brocas area

Answer 10

arcuate fasciculus

Question 11

Syndrome usually seen in bilateral disease of the temporal lobe presenting as compulsion to attend to all visual stimuli, hyperorality, hypersexuality, blunted emotional reactivity

Answer 11

Kluver Bucy Syndrome

Question 12

define agnosia.

Answer 12

inability to recognize objects, persons, or sensory stimuli in the absence of a primary deficit in the sensory modality

Question 13

(1) components of Gerstmann syndrome

(2) where is the lesion

Answer 13

(1) dyscalculia
dysgraphia
finger agnosia
right left confusion

(2) dominant inferior parietal region
/dominant (left) inferior parietal lobule

Question 14

(1) Syndrome presenting as:
1. visuospatial imperception (simultagnosia)
2. optic apraxia (difficulty directing gaze
3. Optic ataxia (difficulty reaching for objects

(2) where is the lesion?

Answer 14

(1) Balint Syndrome

(2) bilateral parietal lobe

Question 15

the band of myelinated fibers that divide the 4th receptive layer of the primary visual cortex into 2 granular cell laminae

Answer 15

external band of Baillarger

aka
line/band of Gennari