Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANA - Neuro > The Cerebral Cortex > Flashcards

The Cerebral Cortex Flashcards

(60 cards)

Start Studying
1
Q

Layers of the cerebrum

A

Cerebral cortex
White matter
Deep nuclei

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

During embryonic development, what gives rise to the cerebrum?

A

The telencephalon, the first brain vesicle

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

What is the outermost layer of gray
matter, making up the superficial aspect of the
cerebrum?

A

The Cerebral Cortex

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

How thick is the cerebral cortex?

A

2 – 5mm thick

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

What is the surface area of the cerebral cortex?

A

Total area of one-quarter of a square meter

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

How many neurons are within the cerebral cortex?

A

100 billion neurons

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

Types of neurons within the cerebral cortex, based on morphological shapes

A
  • Granular
  • Fusiform
  • Pyramidal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Function of granular cells of the cerebral cortex

A

Intracortical processing of incoming sensory signals

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

Function of pyramidal and fusiform cells of the cerebral cortex

A

Almost all output fibers from the cortex

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

Types of neurons within the cerebral cortex, based on their processes

A

Nerve bodies of multipolar neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cerebral cortex + Thalamus =

A

The Thalamocortical system (by Guyton)

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

Each cerebral hemisphere is divided into ___ lobes, corresponding roughly to their anatomical position

A

4

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

Lobes of each cerebral hemisphere

A
  • Frontal lobe
  • Parietal lobe
  • Occipital lobe
  • Temporal lobe
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the sulci that separate the lobes of the cerebral cortex?

A
  • Central sulcus (frontal from parietal)
  • Lateral sulcus (temporal from frontal and parietal)
  • Parieto-occipital sulcus (occipital from temporal and parietal)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which lobe is located deep to the frontal bone of

the skull?

A

Frontal lobe

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

Functions of the frontal lobe

A
  • Speech
  • Personality
  • Abstract thought
  • Capacity to initiate and stop tasks
  • Concentration and Memory
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Cortical regions of the frontal lobe

A
  • Pre-central area
  • Supplementary motor area
  • Frontal eye field
  • Pre-frontal cortex
  • Broca’s speech area
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What makes up the precentral area of frontal lobe of the cerebral cortex?

A

The motor and premotor areas

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

What is the area number of the motor area of the frontal lobe of the cerebral cortex according to Brodmann?

A

Area 4

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

Location of the motor area of the frontal lobe of the cerebral cortex

A

Pre-central gyrus and paracentral lobule

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

Representation of the motor area of the frontal lobe of the cerebral cortex

A

Upside down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Function of the motor area of the frontal lobe of the cerebral cortex

A

Controls voluntary activities of the opposite half of body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the area number of the pre-motor area of the frontal lobe of the cerebral cortex according to Brodmann?

A

Area 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Location of the pre-motor area of the frontal lobe of the cerebral cortex

A

Posterior parts of superior, middle, and inferior frontal gyri

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Function of the pre-motor area of the frontal lobe of the cerebral cortex
Controls the extrapyramidal system
26
Location of the supplementary motor area of the frontal lobe of the cerebral cortex
Anterior to paracentral lobule
27
Function of the supplementary motor area of the frontal lobe of the cerebral cortex
Controls movement in contralateral limbs
28
What is the area number of the frontal eye lid of the cerebral cortex according to Brodmann?
Area 6, 8
29
Location of the frontal eye lid of the cerebral cortext
Posterior part of middle frontal pyrus
30
Function of the frontal eye lid of the cerebral cortex
Controls horizontal conjugate movements of the eyes
31
What is the area number of the pre-frontal cortex of the cerebral cortex according to Brodmann?
Area 9, 10, 11, 12
32
Location of the pre-frontal cortex of the cerebral cortex
The remaining large anterior part of frontal lobe
33
Function of the pre-frontal cortex of the cerebral cortex of the cerebral cortex
Controls emotion, concentration, attention, initiative and judgement, personality
34
What is the area number of Broca’s speech area of the cerebral cortex according to Brodmann?
Area 44, 45
35
Location of Broca’s speech area of the cerebral cortex
Pars triangularis and pars opercularis
36
Function of Broca’s speech area of the cerebral cortex
- Formation of words - Stimulation of muscles of larynx, mouth, tongue, soft palate - Respiration
37
Which hemisphere is Broca's speech area?
The left or dominant hemisphere (majority)
38
Broca's speech area is supplied by...
...the middle cerebral artery
39
Role of the parietal lobe
- Senses and integrates sensation(s) | - Spatial awareness and perception
40
Proprioception is...
Awareness of body/ body parts in space and in relation to each other
41
Cortical regions of the parietal lobe
- Primary somesthetic/somatosensory area - Somesthetic association area - Secondary somesthetic area - Angular gyrus - Supramarginal gyrus
42
What is the area number of the primary somesthetic/somatosensory area of the cerebral cortex according to Brodmann? • •Location - postcentral gyrus to post part of the paracentral lobule •Somesthetic association area(area 5,7) – •Location - superior parietal lobule (between sensory and visual areas) extending onto the medial surface of hemisphere •Secondary somesthetic area(area 43) – •Location - superior lip of post limb of lateral fissure •Angular gyrus(area 39) •Supramarginal gyrus(area 40)
Area 3,1,2
43
Where is the primary somesthetic/somatosensory area of the cerebral cortex located?
Postcentral gyrus to posterior part of the paracentral lobule
44
What is Area 5,7 and which lobe is it located?
Somesthetic association area, in the parietal lobe
45
Location of the somesthetic association area?
Superior parietal lobule (between sensory and visual areas) extending onto the medial surface of hemisphere
46
What is Area 43 and on which lobe is it located?
Secondary somesthetic area, parietal lobe
47
Where is Area 43 located?
The superior lip of posterior limb of lateral fissure
48
Where the six cellular layers of the cerebral cortex in man?
``` Molecular (plexiform) layer External granular layer External pyramidal layer Internal granular layer Internal pyramidal layer Multiform (fusiform) layer ```
49
Functions of the temporal lobe
- Senses and integrates sensation(s) - Spatial awareness and perception - Proprioception
50
What is proprioception?
Awareness of body/ body parts in space and in relation to each other
51
Cortical regions of the parietal lobe
- Primary somesthetic/somatosensory area - Somesthetic association area - Secondary somesthetic area - Angular gyrus - Supramarginal gyrus
52
What is the area number of the primary somesthetic/somatosensory area according to Brodmann?
Area 3,1,2
53
Location of the primary somesthetic/somatosensory area
Post-central gyrus to posterior part of the paracentral lobule
54
What is the area number of the somesthetic association area according to Brodmann?
Area 5,7
55
Location of the primary somesthetic association area
Superior parietal lobule (between sensory and visual areas) extending onto the medial surface of hemisphere
56
What is the area number of the secondary somesthetic area according to Brodmann?
Area 43
57
Location of the secondary somesthetic association area
Superior lip of post limb of lateral fissure
58
What is the area number of the angular gyrus according to Brodmann?
Area 39
59
What is the area number of the supramarginal gyrus according to Brodmann?
Area 40
60
Which part of the cerebral cortex is the site involved with processing of tactile and proprioceptive information?
Primary somesthetic (somatosensory) cortex

ANA - Neuro (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions