A Decrease in the Release of Neurotransmitter from the Photoreceptor

question 136

Multiple Choice

A decrease in the release of neurotransmitter from the photoreceptor would indicate a(n)

• A) decrease in light intensity.
• B) lack of light reaching the retina.
• C) increase in light intensity.
• D) change in focus of the lens onto a distant object.

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Definitions:

Shaping

A method of positive reinforcement in operant conditioning that rewards closer and closer approximations of the desired behavior.

Negative Punishment

A behavior modification technique where a desirable stimulus is removed following a behavior, with the intention of decreasing that behavior.

Positive Punishment

Adding an undesirable stimulus to decrease a behavior, such as giving extra chores to reduce instances of lying.

Stimulus Discrimination

The learned ability to differentiate between similar stimuli and respond appropriately to each.