Examlex
Which tissues generate signals communicating information about the body's energy reserves?
Physiological Arousal
The physical state of being alert, involving physiological changes like increased heart rate and adrenaline.
Afferent Fibres
Afferent fibres are nerve fibers that carry sensory information from the body's periphery towards the central nervous system.
Sleep Spindles
Sudden surges of oscillatory brain activity observed during stage 2 of non-REM sleep, associated with learning and memory consolidation.
Stage 2 Sleep
A phase of sleep characterized by the presence of sleep spindles and K-complexes, indicating a deeper sleep than stage 1.
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