Which Stage of Sleep Is Characterized by Sleep Spindles

question 57

Multiple Choice

Which stage of sleep is characterized by sleep spindles?

• A)1)
• B)2)
• C)3)
• D)4)

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Definitions:

Neural Darwinism

Hypothesis that the processes of cell death and synaptic pruning are, like natural selection in species, the outcome of competition among neurons for connections and metabolic resources in a neural environment.

Synaptic Pruning

The process of eliminating weaker synaptic contacts while strengthening others to improve the efficiency of neuronal communication.

Cell Death

The process by which a cell ceases to function and is systematically eliminated, an essential part of an organism's growth and development; it can be programmed (apoptosis) or result from injury (necrosis).

Amygdala

A region of the brain primarily involved in the processing of memory, decision-making, and emotional responses.