The Image of a Key Fitting into a Lock Is

question 300

Multiple Choice

The image of a key fitting into a lock is useful in understanding how:

• A) two nerve cells physically touch each other at each end.
• B) neurotransmitters bind to receptor molecules.
• C) ion channels open and close.
• D) synaptic vesicles are opened by an action potential.

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, triggers a conditioned response.

Impending Occurrence

An anticipated event that is about to happen or likely to occur in the near future.

Unconditioned Stimulus

In the context of classical conditioning, a stimulus that effortlessly and automatically provokes a response with no prior instruction.

Generalization

The process by which the brain applies learned responses to similar stimuli beyond the original situation.