CH21: CEREBRUM

Question 1

Brodmann distinguished how many different areas of the cerebral cortex (p. 475)

Answer 1

47

Question 2

Surface area of the cortex (p. 475)

Answer 2

4,000cm2

Question 3

how many neurons are there in the cortex (p. 475)

Answer 3

10 to 30 billion

Question 4

the cortex wherein six-layered arrangement is discerned (p. 478)

Answer 4

homotypical cortex

Question 5

the cortex wherein six-layered arrangement is less discerned (p. 478)

Answer 5

heterotypical cortex

Question 6

sensory stimuli terminate mainly in layers (p. 478)

Answer 6

II and IV

Question 7

interneurons transmit impulses to adjacent superficial and deep layers to efferent neurons at layer __(p. 478)

Answer 7

V

Question 8

neurons of this lamina send axons to the other parts of the association cortex in the same and opposite hemisphere (p. 478)

Answer 8

III

Question 9

projection efferents send axons to subcortical structures and in the spinal cord (p. 478)

Answer 9

V

Question 10

layer projecting mainly to the thalamus (p. 478)

Answer 10

VI

Question 11

zones of integration (p. 478)

Answer 11

heteromodal cortices

Question 12

parts of the frontal components of the limbic system taking part in control of respiration, bp, peristalsis and autonomic functions (p. 480)

Answer 12

medial orbital gyri, anterior parts of cingulate, insular gyri

Question 13

connects frontal lobes to occipital lobe (p. 480)

Answer 13

fronto- occipital fasciculus

Question 14

connects orbital part of frontal lobe to temporal lobe (p. 480)

Answer 14

uncinate bundle

Question 15

slow, slightly imbalanced, short- stepped gait with the torso and legs not properly in phase when placed in motion (p. 482)

Answer 15

magnetic gait

Question 16

left dorsal frontal lesion (p. 484)

Answer 16

hostility

Question 17

right orbitofrontal lesions (p. 484)

Answer 17

anxiety and depression

Question 18

tonotropic arrangement at temporal cortex (p. 485)

Answer 18

high tone- medial; low tone- lateral and rostral

Question 19

superior part of temporal lobe is for what? (p. 485)

Answer 19

acoustic or receptive aspects of language

Question 20

middle and inferior convolutions of temporal lobe for what (p. 485)

Answer 20

visual discrimination

Question 21

ear contralateral to a temporal lesion is less efficient if the conditions of hearing are rendered more difficult (p. 486)

Answer 21

binaural testing

Question 22

more difficult in equalizing volume of sounds that are presented to both ears in perceiving rapidly spoken numbers or different words presented in two ears (p. 486)

Answer 22

dichotic listening

Question 23

recognition of melody and harmony (p. 486)

Answer 23

right auditory cortex

Question 24

involve in the identification of familiar music (p. 486)

Answer 24

L inferior frontal region

Question 25

involve in the passively listening to melodies (p. 486)

Answer 25

R superior temporal and occipital regions