Sensory systems Flashcards

1
Q

Exteroceptor

A

Receptor receiving stimuli from outside the body.

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

Interoceptor

A

Receptor receiving stimuli from inside the body.

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

Proprioceptor

A

Receptor detecting the position of the body and the state of the muscles, tendons and joints.

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

Contact receptor

A

The source of the stimulus has to be in contact with the receptor to elicit a response.

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

Telereceptor

A

The source of the stimulus is distant from the receptor,.

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

Stimulus threshold

A

Minimal energy of stimulus that changes action potential frequency in the primary sensory neuron.

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

Stimulus adaptation

A

The process in which the effect of the stimulus on the receptor decreases in time.

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

Receptive field

A

Part of the environment or body (visual field, skin, etc), from which the activity of the examined element of the sensory system can be changed.

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

Receptor potential

A

Membrane potential change of the sensory cell in response to the stimulus.

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

Topography

A

The spatial arrangement of the sensory cells is mapped throughout the sensory system.

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

Dermatome

A

Strip-like part of the skin innervated by one spinal segment.

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

Homunculus

A

Drawing indicating the representation of different body parts on the somatosensory cortex proportionally to the number of recepors, thus causing distortion of the image.

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

Weber-Fencher’s law

A

Exponential equation showing the relationship between stimulus and response in sensory systems.

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