What Have Psychologists Learned About Memory from Their Studies of the Patient

question 71

Multiple Choice

What have psychologists learned about memory from their studies of the patient H.M.?

• A) Removal of the hippocampus improves memory.
• B) Epilepsy causes severe retrograde amnesia.
• C) It is possible to form new long-term memories even after losing all ability to form short-term memories.
• D) It is possible to form procedural memories even with severe impairments in declarative memory.

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Definitions:

Variable Ratio

A schedule of reinforcement where a response is reinforced after an unpredictable number of responses, making it highly resistant to extinction.

Fixed Interval

A reinforcement schedule where a reward is given after a predetermined time period has passed following a response.

Fixed Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of correct responses, often leading to high rates of response.

Variable Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, in operant conditioning.