Question

What is the physiological basis for night terrors?

a.
Sleep spindles and K-complexes do not form during Stage 4 N-REM sleep.
b.
Dreaming begins in N-REM stages rather than in the REM state.
c.
Hyperstimulation of beta waves occur during the REM state.
d.
The transition from Stage 4 N-REM sleep upward into REM goes awry.

Answer 1

The correct option is (d). Night terrors occur during the NREM phase of sleep and involve a disruption in the transition from Stage 4 N-REM sleep to REM sleep.

Step-by-step explanation:

Night terrors are a type of parasomnia that occur during the NREM phase of sleep. They are characterized by a sense of panic, screaming, and attempts to escape the immediate environment. Individuals experiencing night terrors appear to be awake but usually have no memory of the events.

The physiological basis for night terrors is not fully understood, but it is believed to involve a disruption in the transition from Stage 4 N-REM sleep to REM sleep.