The Amnesia Patient H

question 168

Multiple Choice

The amnesia patient H.M. had an operation that accidentally caused memory damage and consequently he showed a mild memory loss for the events in his life that occurred one to two years before the operation. This type of memory loss is an example of what is called:

• A) retrograde amnesia.
• B) retroactive interference.
• C) anterograde amnesia.
• D) proactive interference.

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Definitions:

Shared Environment

A term in psychology referring to those environmental factors that are experienced by multiple individuals in the same way, contributing similarly to their development.

Identical Twin

A twin developed from a single fertilized ovum, thus sharing identical genetic material.

Fraternal Twin

A twin who develops from a separate egg and therefore is genetically as similar as any other siblings, unlike identical twins who develop from the same egg.

Personality Characteristics

Traits or qualities that make up an individual's distinctive personality profile.