Andrea Has a Needle Phobia

question 35

Multiple Choice

Andrea has a needle phobia. Which pair correctly identifies the stimulus or response in the conditioning of her phobia?

• A)conditioned stimulus - pain; tissue damage
• B)unconditioned stimulus - the needle itself
• C)neutral stimulus - the needle itself
• D)unconditioned response - fear triggered by the needle

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Definitions:

Absolute Threshold

The minimum intensity of stimulation required to produce a sensory experience or for a stimulus to be detected 50% of the time.

Just Noticeable Difference

The minimum amount by which stimulus intensity must be changed in order to produce a noticeable variation in sensory experience.

Action Potentials

Quick electrical impulses that travel down the axon of a neuron, triggering the release of neurotransmitters at synapses.

Proximal Stimulation

Proximal stimulation refers to the sensory information received directly from stimuli that are in close proximity to the sensory receptors.