Dante Was Recently Bitten in the Leg by a Snake

question 122

Multiple Choice

Dante was recently bitten in the leg by a snake and now has learned to fear snakes.If his fear is out of proportion with the danger posed by snakes,then Dante has developed

• A) an evolutionary adaptation.
• B) stimulus discrimination.
• C) a phobia.
• D) second-order conditioning.

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Definitions:

Medulla

An area of the brainstem that controls vital autonomic functions such as heart rate, breathing, and blood pressure.

Thalamus

A vital brain structure acting as a relay station, channeling sensory and motor signals to and from the cerebral cortex.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood. It controls basic emotions and drives.

Hippocampus

A neural center that is located in the limbic system; helps process explicit memories for storage.