A Loud Noise Is Repeatedly Presented to a Rat,and After

question 4

Multiple Choice

A loud noise is repeatedly presented to a rat,and after 20 trials the rat's startle reaction has completely disappeared (habituated) .If a slightly different noise is now presented,it is most likely that

• A)there will be no startle reaction at all
• B)there will be no habituation to this new stimulus
• C)habituation of the startle reaction will take more than 20 trials
• D)habituation of the startle reaction will take less than 20 trials

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Definitions:

Axosomatic

Pertaining to the connection between an axon of one neuron and the soma (cell body) of another neuron.

Somatic Nervous System

Part of the peripheral nervous system that handles voluntary control of body movements via skeletal muscles.

Neurotransmission

The process of chemical and electrical signaling between neurons, allowing for communication throughout the nervous system.

Sensitization

An increase in behavioral response after exposure to a stimulus, often leading to heightened responsiveness to other stimuli.