THE PSYCHOLOGY OF EMOTIONS
STATES OF CONSCIOUSNESS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In what stage of sleep do sleep spindles appear?
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1
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2
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3
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4
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Explanation:
Detailed explanation-1: -Spindles occur during both light NREM sleep and deep slow-wave sleep, but not during REM sleep.
Detailed explanation-2: -Stage 2 Sleep Brain activity on an EEG shows relatively low-voltage, mixed-frequency activity characterized by the presence of sleep spindles and K-complexes (Figure 2-2). It is hypothesized that sleep spindles are important for memory consolidation.
Detailed explanation-3: -Introduction. The human body cycles through two phases of sleep, (1) rapid eye movement (REM) and (2) non-rapid eye movement (NREM) sleep, which is further divided into three stages, N1-N3.
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