TSM 1.6 Flashcards
1
Q
what kind of receptive field is finger tips?
A
- small and numerous
- highly discrimatory
2
Q
what kind of receptive field is back?
A
- large and sparse
- low discrimination
3
Q
what is convergence?
A
many to one
4
Q
what is divergence?
A
one to many
5
Q
what is gated theory of pain?
A
- non painful input closes gates to painful input
6
Q
what is multisensory processing?
A
- different sensory interact with one another and alter each other processing
7
Q
describe lateral inhibition?
A
- stimulus at the centre will cause larger output
- middle neurone will cause inhibition onto side neurone
- middle neurone can override the information from the side
8
Q
describe representation fo somatosensation in cerebral cortex?
A
start - tongue - face region - upper limbs - head - neck - trunk - hip downwards - lower limbs
9
Q
what is area 3a?
A
- proprioception
10
Q
what is area 3b?
A
- primary somatosensory cortex
11
Q
what is area 2?
A
tactile and proprioception
12
Q
which region helps us name what we are touching?
A
- sensory association cortex
