What Is the Capacity of Short-Term Memory

question 109

Multiple Choice

What is the capacity of short-term memory?

• A)5,plus or minus 2 pieces of information
• B)11,plus or minus 2 chunks
• C)15,plus or minus 2 engrams
• D)3,plus or minus 2 numbers

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Definitions:

Chyme

A semi-fluid mass of partly digested food that moves from the stomach to the small intestine.

Cholecystokinin

A hormone secreted by cells in the duodenum that stimulates the digestion of fat and protein.

Fatty Acids

Long hydrocarbon chains with a carboxylic acid group at one end, essential components of lipids and important sources of energy.

Duodenum

The first section of the small intestine immediately beyond the stomach, where most chemical digestion takes place.