What Are Prions

question 19

Multiple Choice

What are prions?

• A) mobile segments of DNA
• B) tiny molecules of RNA that infect plants
• C) viral DNA that has had to attach itself to the host genome
• D) misfolded versions of normal brain protein
• E) viruses that invade bacteria

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Definitions:

Stimulus Discrimination

The tendency to respond differently to two or more similar stimuli; in classical conditioning, it occurs when a stimulus similar to the CS fails to evoke the CR.

Stimulus Generalization

The tendency for the conditioned stimulus to evoke similar responses after the response has been conditioned.

Conditioned Responding

A learning process in which an individual develops a response to a previously neutral stimulus by associating it with another stimulus that already elicits a response.

Stimulus Discrimination

The ability to distinguish between different stimuli, responding only to the specific stimulus that is conditioned.