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List the five different types of receptors for somatic sensation and the type of stimuli they are sensitive to. Using one receptor type, describe an example and the consequences of a convergent pathway of sensory information.

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Lelia Lubowitz
Lelia LubowitzLv2
28 Sep 2019

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Related questions

Hello. Please, what are the answers to those 2 questions? Thank you

The Special Senses

1. List the classes of sensory modalities and the types of senses in each class.
a. Describe the different types of sensory receptors. Outline the events in detail of a sensory receptor
responding to a stimulus.

?

A needle is inserted into the right somatosensory nucleus of the thalamus in the central nervous system and the area is injected with GABA.

A. Define the term “nucleus” as it relates to the statement above.

B. What is GABA and what effect would GABA have on the membrane potentials of neurons in this area? Explain

C. Describe how/why GABA released from axon terminals in the following neural arrangements would alter impulse transmission:

i) an axoaxonal synapse

ii) an axodendritic synapse

D. If information relayed to this area carries precise touch, what specific somatosensensory pathway would be affected by this injection?

E. Which side of the body would be affected? Why?

F. What fiber type is associated with neurons in this pathway and what does this mean?

G. Through what structure does a primary sensory neuron from the hand enter the central nervous system?

H. Where does the first synapse for this somatosensory pathway occur?

I. Describe the type(s) of sensory information carried by this pathway.

J. Name and describe two different classes of primary sensory receptors that are associated with this pathway.

K. Discuss the common features that all primary sensory receptors possess.

L. If an adrenergic substance had been injected instead of GABA, how would this have altered neural transmission? Explain.

A needle is inserted into the right somatosensory nucleus of the thalamus in the central nervous system and the area is injected with GABA.

A. Define the term “nucleus” as it relates to the statement above.

B. What is GABA and what effect would GABA have on the membrane potentials of neurons in this area? Explain

C. Describe how/why GABA released from axon terminals in the following neural arrangements would alter impulse transmission:

i) an axoaxonal synapse

ii) an axodendritic synapse

D. If information relayed to this area carries precise touch, what specific somatosensensory pathway would be affected by this injection?

E. Which side of the body would be affected? Why?

F. What fiber type is associated with neurons in this pathway and what does this mean?

G. Through what structure does a primary sensory neuron from the hand enter the central nervous system?

H. Where does the first synapse for this somatosensory pathway occur?

I. Describe the type(s) of sensory information carried by this pathway.

J. Name and describe two different classes of primary sensory receptors that are associated with this pathway.

K. Discuss the common features that all primary sensory receptors possess.

L. If an adrenergic substance had been injected instead of GABA, how would this have altered neural transmission? Explain.

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