Term
|
Definition
-sensory input into CNS
1.unconscious= you dont know BP or
volume but your brain does
2.conscious=aware of it |
|
|
Term
|
Definition
-interpretation of sensory info
-perception doesnt equal reality:
1.limited # of receptor types
2.limites range of receptors
3.cerebral cortex manipulates data |
|
|
Term
| Receptors for afferent input |
|
Definition
-respond to a specific stimulus
1.thermoreceptor=temp
2.photoreceptor=light
3.mechanoreceptor=sound/pressure
4.nocireceptor=pain
5.mechanoreceptor=chemical/osmolarity |
|
|
Term
|
Definition
1.adequate= normal stimulus activates its specific receptor type
2.alternative= head trauma-->saw stars because of pressure applied from fluid |
|
|
Term
|
Definition
1.tonic receptors= adapt slowly or not at all; muscle stretch, joint, BP, pain
2.phasic receptors= adapt rapidly; smell, putting watch or clothes on |
|
|
Term
|
Definition
|
|
Term
|
Definition
| pain where an amputated part once was |
|
|
Term
|
Definition
| more receptors in a region--> smaller field size per receptor--> greater discrimination in region |
|
|
Term
|
Definition
-voluntary
-neuron to skeletal muscle |
|
|
