Sensation

Question 1

Describe tonic receptors

Answer 1

Respond continuously to a continuous stimuli

Question 2

Describe phasic receptors

Answer 2

Reduce volume of action potentials to a continuous stimuli

Question 3

Describe how the nature of a stimuli is coded

Answer 3

By the type of receptor that is activated

Question 4

Describe how the intensity of a stimuli is coded

Answer 4

Frequency of action potentials

Question 5

Describe how the location of a stimuli is coded

Answer 5

By the area of the somatosensory cortex the neurones synapse at

Question 6

Describe lateral inhibition

Answer 6

First order neurone activates intermediate neurones that inhibit neighboring second order neurones improving localisation

Question 7

Define two point descrimination

Answer 7

Minimum distance between two stimuli at which the can be detected as separate entities