A Sudden Blow to the Head Often Causes Forgetting of the Events

question 38

Multiple Choice

A sudden blow to the head often causes forgetting of the events in the few seconds or minutes that preceded the blow. This finding is most consistent with which of the following ideas about memory?

• A) New memory traces require consolidation.
• B) Temporal contiguity is impressed upon the mind.
• C) Memory often depends on organizational factors.
• D) There is a limit of about seven items that can be held in working memory at one time.

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Definitions:

Bluing

A process used to protect steel against rust by forming a thin protective layer of magnetite (Fe3O4) on its surface.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Soda Pop

A sweetened, carbonated beverage, often flavored and containing caffeine, colours, and preservatives.

Mixture

A combination of two or more substances that are not chemically bonded and can be separated by physical means.