In the Words of George Miller, the Capacity of Short-Term

question 89

Multiple Choice

In the words of George Miller, the capacity of short-term memory is the "magical number _________."

• A)nine, plus or minus two
• B)six, plus or minus one
• C)five, plus or minus two
• D)seven, plus or minus two

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Definitions:

Reticular Formation

A network of neurons located in the brainstem involved in regulating wakefulness, sleep, and various reflexes.

Medulla Oblongata

The lower portion of the brainstem controlling vital autonomic functions such as breathing, heart rate, and blood pressure.

Thalamus

A structure within the brain that acts as a relay station for sensory and motor signals to the cerebral cortex.

Vasoconstriction

The narrowing of blood vessels caused by contraction of the muscular wall of the vessels, which increases blood pressure.