Cerebal Hemispheres

Question 0

Autism

Answer 0

Development disorder characterized by difficulty in social communication skills and restricted behaviors

*Increased # of minicolumns found

Question 1

Vellate astrocytes

Answer 1

Fnxn to maintain the spatial separation b/w mini- and macro- columns

Question 2

Apraxia

Answer 2

Inability to carry out a learned, skilled movement despite intact sensory, motor, and language fnxns

*Commonly seen in Alzheimer’s

Question 3

Frontal Release Signs

Answer 3

Infant reflexes normally inhibited by Prefrontal Cortex in adults

1 Grasp Reflex

2. Glabellar Reflex
3. Suck Reflex
4. Snout Reflex
5. Rooting Reflex

Question 4

Medullary Center

Answer 4

Deep white matter of cerebral hemispheres

Question 5

Superior/Longitudinal fasciculi

Answer 5

Associational pathways that include the arcuate fasciculus (superior)

*Connects language areas to each other; lesions cause conduction aphasia

Question 6

Cingulum

Answer 6

Part of cingulate gyrus involved w/ limbic system; serves as a connection to the hippocampus

*Most important pathway allowing emotions to mix w/ memories

Question 7

Corpus Callosum

Answer 7

Major commissural pathway of brain

Question 8

Corona Radiata

Answer 8

Major two-way projection pathway

Question 9

Genu of Internal Capsule contains…

Answer 9

Corticobulbar axons

Question 10

Sub & Retro-lenticular portion of IC

Answer 10

Contains auditory and visual radiations

Question 11

Basal ganglia

Answer 11

Subcortical nuclei derived from the prosencephalon

*Divided into dorsal striatal structures (movement)
&
Ventral Striatal Structures ( Limbic fnxns)

Question 12

Corpus Striatum

Answer 12

Caudate, putamen, and globus pallidus

Question 13

Neostriatum

Answer 13

Caudate and Putamen

Question 14

Lentiform nucleus

Answer 14

Putamen and Globus Pallidus

Question 15

Location of amygdala

Answer 15

Immediately beneath cortex of temporal pole; important in learned fear

Question 16

Rooting Reflex

Answer 16

Baby will turn head and open mouth when looking for food; may require slight stroke of the cheek