In a Study Comparing the Memory Spans of Preschool and Elementary

question 70

Multiple Choice

In a study comparing the memory spans of preschool and elementary school children,the latter group consistently scored better.This apparent increase in memory span with age could be explained partly by how:

• A)the peer group plays a part in short-term memory.
• B)older children rehearse the digits more than younger children do.
• C)elementary schools practice scaffolding.
• D)memory-span tests are not always an accurate measure of short-term memory.

---

Definitions:

Slow-Wave Sleep

A stage of deep sleep characterized by low-frequency, high-amplitude EEG waves, essential for physical recovery and memory consolidation.

Activation-Synthesis Theory

A hypothesis that dreams are created by the higher brain centers interpreting random activity from the lower brain during REM sleep.

Limbic System

A complex system of nerves and networks in the brain, involving various areas near the edge of the cortex concerned with instinct and mood. It controls the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Burst Activity

Rapid firing of neurons in the brain, typically associated with specific behaviors or responses to stimuli.