Forebrain Flashcards

1
Q

Motor Cortex

A

Precentral Gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Somatosensory Cortex

A

Post-Central Gyrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Precentral Gyrus

A

Motor Cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Post-Central Gyrus

A

Somatosensory Cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Somatosensory Cortex Image

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Motor Cortex Homunculus Image

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Broca’s Area

A

Located in Frontal cortex

responsible for speech production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Wernicke’s Area

A

Temporal lobe

can’t produce meaningful language

“word salad”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Telencephalon Functions

A

sensory

motor

language

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Addt’l Telencepahlon Regions

A
  • Basal ganglia
    • motor function
  • amygdala
    • fear
    • emotional processing
  • hippocampus
    • memory/learning
    • spatial navigation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How many layers in neocortex?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

afferent

A

incoming (arrives)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

efferent

A

leaving (exits)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Internal Capsule

A

large network of white matter tracts for axons entereing and leaving the cerebral cortex

  1. anterior limb
  2. genu
  3. posterior limb
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Internal Capsule labeling

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Name the 3 types of cortical connecting fibers

A
  1. Association
  2. Commissural
  3. Projection
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Define Association Fibers

A

Fibers connecting regions within the same hemisphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Define Commissural fibers

A

Fibers connecting regions in oppostie hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Define Projection fibers

A

a) axons that originate outside telencephalon and project to cortex
b) axons that orignate in cortex and project elsewhere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Parts of Diencephalon

A

Thalamus/Hypothalamus

(dorsal thalamus, hyopthalamus, ventral thalamus, epithalamus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Function of Diencephalon

A

Processing center for information between sensory systems and cortex

22
Q

Location of Diencephalon

A

3rd ventricle is a median between the two thalami.

Thalamus is wall of ventricle

23
Q

Name nuclei of Thalamus (dorsal thalamus)

A
  1. Anterior
  2. Medial
  3. Lateral (dorsal and ventral tiers)
  4. Intralaminar
24
Q

Input/Output of Anterior Nuclei of Thalamus

A

Input: limbic-related projectoions from the mammillary bodies + hippocampus

Output: cingulate gyrus (via internal capsule)

25
Q

Input/Output of Medial nucli Thalamus

A

Input: frontal lobe + substantia nigra

Output: may be involved in controlling eye movement

26
Q

Input/Output of Lateral Thalamic Nucli

A

Input/Outputs: widespread, vary by location.

Dorsal Tier contains large pulvinar nucleus which is involved in vision

Ventral tier relays somatosensory info

27
Q

Input/Output of Intralaminar thalamic nucelus

A

Input: sensory/pain pathways

Output: somatosensory cortex

28
Q

Thalamic Nuclie Code:

A

A

Anterior

29
Q

Thalamic Nuclie Code:

CM

A

centromedian

30
Q

Thalamic Nuclie Code:

DM

A

dorsomedial

31
Q

Thalamic Nuclie Code:

LD

A

lateral dorsal

32
Q

Thalamic Nuclie Code:

LGB

A

lateral geniculate

33
Q

Thalamic Nuclie Code:

LP

A

Lateral Posterior

34
Q

Thalamic Nuclie Code:

MGB

A

medial geniculate

35
Q

Thalamic Nuclie Code:

P

A

pulvinar

36
Q

Thalamic Nuclie Code:

PF

A

parafasciular

37
Q

Thalamic Nuclie Code:

VA

A

ventral anterior

38
Q

Thalamic Nuclie Code:

VL

A

ventral lateral

39
Q

Thalamic Nuclie Code:

VPL

A

ventral posterolateral

40
Q

Thalamic Nuclie Code:

VPM

A

ventral posteromedial

41
Q

VA & VL

A

motor-related

42
Q

LD

A

limbic system

43
Q

LP

A

visual salience/visual-guided behavior

44
Q

VPL & VPM

A

somatosensory

45
Q

P

A

visual processing

46
Q

LGB

A

vision

47
Q

MGB

A

auditory

48
Q

Hypothalamus Functino

A

endocrine/autonomic functions (maintaining homeostasis)

49
Q

Hypothalamus Divisions

A
  1. preoptic
  2. anterior (supraoptic)
  3. medial (tuberal)
  4. posterior (mammilliary)
50
Q

coronal sections of 4 hypothalamic divisions

(rostral to caudal)

A
51
Q

Thalamic Projections

A