Neuroscience - Exam 3 - Lecture 1

Front 1

How much does the cerebral cortex usually weigh?

Back 1

600g

Front 2

How much do the neurons of the CC usually weigh?

Back 2

180g

Front 3

what % of the brain is the CC?

Back 3

40% w/ 15b neurons

Front 4

what are the 6 layers of the NEOCORTEX?

Back 4

1 - molecular layer
2 - external granular layer
3 - external pyramidal layer
4 - internal granular layer
5 - internal pyramidal layer
6 - muliform layer

Front 5

Which layer of the neocortex is this?
axons/dendrites mostly, with few cell bodies

Back 5

molecular layer

Front 6

Which layer of the neocortex is this?
Densely packed stellate cells

Back 6

Internal granular layer

Front 7

Which layer of the neocortex is this?
Stellate/star cells, not as densly packed

Back 7

external granular layer

Front 8

Which layer of the neocortex is this?
Neurons of pyramidal shape

Back 8

external pyramidal layer

Front 9

Which layer of the neocortex is this?
medium pyramidal neurons, also spindle shape cells and stellate cells

Back 9

multiform layer

Front 10

What NT do pyramidal neurons use?

Back 10

GLUTAMATE

Front 11

Pyramidal neurons are Excitatory or Inhibitory?

Back 11

Excitatory

Front 12

Pyramidal neurons are afferent or efferent?

Back 12

efferent

Front 13

Granule neurons use what NT?

Back 13

Glutamate OR GABA

Front 14

Granule neurons are excitatory or inhibitory?

Back 14

BOTH

Front 15

What does it mean to be "homotypical cortex"

Back 15

have al 6 layers (of neocortex)

Front 16

which type of functional layer is common to association areas?

Back 16

homotypical

Front 17

What are the 2 types of heterotypical corices?

Back 17

Agranular and Koniocortex

Front 18

What are Agranular (heterotypical corices)

Back 18

Has NO Internal granular layer (IV)
AND
Large External pyramidal and Internal pyramidal layers (III and V)

Front 19

What type of functional layer is common to Primary Motor Cortex?

Back 19

Agranular

Front 20

What are Koniocortex heterotypical cortices?

Back 20

has LARGE internal granular layers and SMALL internal
pyramidal layers

Front 21

What type of functional cortex is common to a sensory corticol area?

Back 21

Keriocortex

Front 22

What is the paleocortex?

Back 22

Contains olfactory processes

Front 23

What type of cortex are olfactory processes contained in?

Back 23

Paleocortex

Front 24

What type of cortex is the hippocampus?

Back 24

archicortex

Front 25

What is BA 17?

Back 25

VISUAL

Front 26

What is BA 1,2,3

Back 26

Somatosensory

Front 27

What is BA 41 and 42?

Back 27

Auditory

Front 28

What is BA 39?

Back 28

color association

Front 29

What is BA 6 and 8?

Back 29

motor association

Front 30

What is BA 21 and 22?

Back 30

Auditory association

Front 31

What layer of the neocortex receives the majority of thalmic input?

Back 31

4

Front 32

This BA receives input from what?
BA17

Back 32

Lateral geniculate

Front 33

This BA receives input from what?
BA 41/42

Back 33

medial geniculate body

Front 34

This BA receives input from what?
BA 1,2,3

Back 34

Ventral posterior nuclear complex

Front 35

This BA receives input from what?
BA4

Back 35

ventral lateral/ventral anterior nuclei

Front 36

Lesions of the Parietal Association cotex result in deficits in what area?

Back 36

Attention

Front 37

Lesions of hte Temporal association cortex result in deficits in what?

Back 37

Recognition

Front 38

Lesions of the association cortex result in deficits in what?

Back 38

planning/emotional expression and control

Front 39

Lateral neglect syndrome usually results from whta?

Back 39

lesion in the parietal association cortex, usually the Right side

Front 40

If you had to have damage to a parietal association cortex, which side would you have?

Back 40

the left, because the right is dominant and can compensate

Front 41

What is prosopangosia? what is it a result of?

Back 41

inablitiy to recognize FACES, due to injury to temporal association cortex

Front 42

what is Agnosia? What is it a result of?

Back 42

inability to recognize familiar items, due to injury to temporal association cortex

Front 43

An injury to what results in language complications in recognition?

Back 43

Left temporal association cortex

Front 44

An injury to what results in inability to recognize faces?

Back 44

temporal association cortex

Front 45

An injury to what would result in a drastic change in personality and behavior pattern?

Back 45

Fronal association cortex

Front 46

An injury to frontal association cortex results in what?

Back 46

a drastic behavior/personality change

Front 47

What BA is the visual cortex?

Back 47

17

Front 48

what BA is the somatosensory cortex?

Back 48

1,2,3

Front 49

what BA is the auditory cortex?

Back 49

41 and 42

Front 50

what BA is the color association cortex?

Back 50

39

Front 51

what BA is the motor association cortex?

Back 51

6 and 8

Front 52

what BA is the auditory association cortex?

Back 52

21 and 22

Front 53

Back 53

a- visual
b - somatosensory
c - auditory
d - motor association
e - color association
f - auditory association

Front 54

Back 54

a - 17
b - 1,2,3
c - 41, 42
d - 6,8
e - 39
f - 21, 22