Cerebral cortex

Question 1

the archicortex is made up of which structure(s)?

Answer 1

hippocampal formation

Question 2

the paleocortex is made up of which structure(s)?

Answer 2

1. parahippocampal gyrus 2. uncus 3. lateral olfactory gyrus

Question 3

the mesocortex is made up of which structure(s)?

Answer 3

1. cingulate gyrus 2. insula

Question 4

the neocortex is made up of which structure(s)?

Answer 4

1. homotypical cortex - association areas 2. heterotypical cortex - primary areas

Question 5

the allocortex is made up of which cortices?

Answer 5

paleocortex and mesocortex

Question 6

the primary motor cortex is made up of what type of heterotypical cortex?

Answer 6

agranular

Question 7

the primary sensory cortex is made up of what type of heterotypical cortex?

Answer 7

granular

Question 8

in which cortical layer are the fusiform cells located? where do their axons go?

Answer 8

1. deepest cortical layer (6) 2. thalamus

Question 9

what is the chief input layer of the neocortex?

Answer 9

internal granular layer - stellate cells

Question 10

which neocortex layers are afferent? efferent?

Answer 10

1. afferent - 2, 4 2. efferent - 3, 5, 6

Question 11

Broca’s area is found in which gyri? what is the Brodmann’s area?

Answer 11

1. opercular and triangular parts of inferior frontal gyrus 2. 44

Question 12

what is the Brodmann’s area for the primary motor cortex?

Answer 12

4

Question 13

what are the Brodmann’s areas for the somatosensory association area? what is their function?

Answer 13

1. 5, 7 2. tactile and visual information, cognition of body itself and objects around it

Question 14

what is the function of Broca’s area? what is Broca’s aphasia?

Answer 14

1. motor programs necessary for generation of language (located in dominant hemisphere) 2. can comprehend language, but cannot produce written or spoken words

Question 15

what is the Brodmann’s area for the banks of the calcarine sulcus?

Answer 15

17

Question 16

what are the Brodmann’s areas for the visual association cortex?

Answer 16

18, 19

Question 17

what is the Brodmann’s area for the primary auditory cortex? auditory association cortex?

Answer 17

1. primary auditory cortex - 41 2. auditory association cortex - 42

Question 18

what is Wernicke’s aphasia?

Answer 18

patient can produce written or spoken words but they string together words and phrases in an order that conveys little or no meaning

Question 19

what is apraxia?

Answer 19

impairment in performance of learned movements in absence of paralysis