Evidence suggests that sleep spindles play a role in memory consolidation.

Vivid dreams often involve sudden and surprising changes in scene. This best serves to support the theory that dreams:

a. strengthen our memories of the preceding day's events. b. are expressions of erotic feelings and desires. c. help to prepare us for the stress and challenges of the following day. d. are triggered by bursts of neural activity.

Direct instruction in which of the following activities is most likely to accelerate gross-motor development in early childhood?

A) throwing B) running C) dancing D) tumbling