The firing rates of cells within the locus coeruleus
A) are highest during REM sleep.
B) decrease during sleep and increase at awakening.
C) are unrelated to behavioral arousal.
D) are suppressed by sleeping medications.
E) alter EEG cortical arousal.
Answer: B
Rationale: The firing rates of cells within the locus coeruleus decrease during sleep and increase at awakening.
Psychology
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