Forebrain/ Diencephalon

Question 1

what are the names of these Brodmann Areas : 
1-3 =\_\_\_\_\_\_\_\_\_\_
4  = \_\_\_\_\_\_\_\_\_\_\_
17 =\_\_\_\_\_\_\_\_\_\_\_
41 = \_\_\_\_\_\_\_\_\_\_\_

Answer 1

1-3 = (primary sensory), 
4 = (primary motor), 
17 = (primary visual), 
41 = (primary auditory)

Question 2

what are the vetricles of the forebrain

Answer 2

Lateral ventricles

3rd ventricle

Question 3

What Grey matter structures are in the forebrain?

Answer 3

Basal ganglia (caudate, putamen and globus pallidus)
Hypothalamus
Thalamus 
Amygdala
Hippocampus

Question 4

What White matter structures are in the forebrain

Answer 4

Fornix
Corpus Callosum
Anterior Commissure
Internal Capsule

Question 5

thalami deal with ______ body and ________ cortex.

Answer 5

contralateral,

ipsilateral

Question 6

what makes up the Lenticular Nuclei?

Answer 6

Putamen + Globus Pallidus

Question 7

describe the Papez Circuit

Answer 7

mammillary body > anterior n. > cingulate gyrus > Hippocampus ——-(fornix)—–> mamillary body

Question 8

Anteriorly, the internal capsule lies between the ______ and the ________

Answer 8

caudate nucleus,

lentiform nucleus

Question 9

posteriorly, the internal capsule lies between the ______ and ________

Answer 9

thalamus,

lentiform nucleus

Question 10

what are the 4 Regions of the internal capsule

Answer 10

Anterior
Posterior
Retrolenticular
Sublenticular

Question 11

What are the origin of the fibers running through the Anterior limb of the internal capsule

Answer 11

Anterior nucleus of thalamus

Dorsomedian (DM) nucleus

Question 12

What are the destination of the fibers running through the Anterior limb of the internal capsule.

Answer 12

Cingulate gyrus

Prefrontal cortex

Question 13

What are the origin of the fibers running through the Posterior limb of the internal capsule

Answer 13

Motor cortex

VPL/VPM

Question 14

What are the destination of the fibers running through the Posterior limb of the internal capsule.

Answer 14

Spinal cord and brainstem

Postcentral gyrus

Question 15

What are the origins of the fibers running through the Retrolenticular limb of the internal capsule

Answer 15

Pulvinar

LGN

Question 16

What are the destinations of the fibers running through the Retrolenticular limb of the internal capsule.

Answer 16

Parietal association cortex

Visual cortex

Question 17

What are the origins of the fibers running through the Sublenticular limb of the internal capsule

Answer 17

LGN

MGN

Question 18

What are the destinations of the fibers running through the Sublenticular limb of the internal capsule.

Answer 18

Visual cortex

Auditory cortex

Question 19

what type of nucleus is Dorsomedial and what is its function?

Answer 19

type = Association

function = executive function

Question 20

what is the Input (afferent) to the Dorsomedial Nucleus?

Answer 20

Amygdala
Temporal lobe (olfactory cortex)

Question 21

what are the outputs (efferents) of the dorsomedial Nucleus?

Answer 21

Prefrontal cortex

Limbic system

Question 22

what is the function and type for the anterior nucleus?

Answer 22

Type = relay
function = limbic

Question 23

what are the inputs (afferents) to the anterior nucleus?

Answer 23

Mammillary body (Papez circuit)

Question 24

what are the outputs (efferents) of the anterior nucleus

Answer 24

Cingulate Gyrus (Papez Circuit)

Question 25

what is the type and function of the VA/VL nucleus

Answer 25

type = relay
function = motor

Question 26

what are the inputs (afferents) to the VA/VL nucleus

Answer 26

Cerebellum
Red nucleus
GPi

Question 27

what are the outputs (efferents) of the Va/VL nucleus

Answer 27

Motor & Supplementary Motor cortex

Prefrontal cortex

Question 28

what is the input (afferent) to the MGN

Answer 28

Inferior brachium (auditory pathway)

Question 29

what is the pulvinar nucleus?

Answer 29

a Visual and sensory association nucleus