Karl Lashley Trained Rats to Solve a Maze and Then

question 218

Multiple Choice

Karl Lashley trained rats to solve a maze and then removed pieces of their cortexes.He observed that storage of their maze memory was

• A) restricted to their right cerebral hemisphere.
• B) restricted to their left and right frontal lobes.
• C) restricted to their left and right temporal lobes.
• D) not restricted to a single specific region of the cortex.

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Definitions:

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention, until it is associated with an unconditioned stimulus.

Reinforcement

In behavioral psychology, it refers to any stimulus which strengthens or increases the probability of a specific response.

Positive Reinforcer

A stimulus that, when presented after a behavior, increases the likelihood of that behavior being repeated.

Negative Reinforcer

A stimulus whose removal or avoidance after a response strengthens that response or makes it more likely to happen again.