Parallel Processing Flashcards

1
Q

P-cells in the LGN relay what 3 things?

A

Color, Acuity, Form

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

What are P-cells sensitive to?

A

red-green color contrast

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

M-cells in the LGN relay what 2 things?

A

Motion and luminance

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

M-cells are sensitive to what ?

A

rapid movement

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

K-cells produce what type of response?

A

Blue-on response

- respond well to blue-yellow chromatic contrast

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

This is the relay station for nearly all messages that travel from the cerebral cortex to the rest of the body/brain and back

A

Thalamus - LGN is located here

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

M cells tell the LGN ___. P cells tell the LGN ____.

A

M cells = tell WHERE

P cells = tell WHAT

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

The magnocellular layer contains what layers of the LGN?

A

Layers 1 & 2 (Ventral layers)

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

The parvocellular layer contains what layers of the LGN?

A

Layers 3-6 (dorsal layers)

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

Describe the ventral stream?

A
  1. In temporal lobe
  2. P-cells
  3. WHAT, object discrimination, forms
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe the dorsal pathway?

A
  1. In parietal lobe
  2. M-cells
  3. WHERE, action, motion & movment
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

This theory for dual streams stated that only after both streams are processed does integration occur

A

Independent Processing = Mishkin

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

This theory for dual streams stated connectivity is due to dense feedback connections similar to feed forward system.

A

Feedback account (Distler)

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

This theory for dual streams stated that there’s interaction from the shared target area and direct lateral connections between the networks.

A

Continuous cross-talk account (Chen)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

This is when the retinotopic map is distorted to enlarge the area devoted to the fovea.

A

Cortical magnification

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

Stroke in ventral stream = ?

A

Agnosia

17
Q

Stroke in dorsal stream = ?

A

Spatial Neglect

18
Q

Stroke in MT/V5 dorsal = ?

A

Can’t appreciate motion

19
Q

Stroke in V4 Ventral = ?

A

Cerebral Dyschromatopsia (blue hue to vision)