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Chapter: Psychology: Consciousness

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Consciousness: Sleep

SLEEP AND WAKE CYCLES, THE NEED FOR SLEEP, THE FUNCTION OF SLEEP, DREAMS, WHY DO WEDREAM ? SLEEP, DREAMS , AND CONSCIOUSNESS

Sleep

Across the hours of each day, the arousal level of the brain rises and falls. Most of this variation is controlled by a tiny cluster of about 20,000 cells located in the hypothalamus (Mistlberger, 2005). These cells are responsible for controlling many rhythms in the body, including a rhythm of arousal increases and decreases spanning roughly a 24-hour period. This is why the sleep-wake rhythm is called circadian—from the Latin circa (“nearly”) and dies (“day”) (Figure 6.11).


·          SLEEP AND WAKE CYCLES,

·          THE NEED FOR SLEEP,

·          THE FUNCTION OF SLEEP,

·          DREAMS,

·          WHY  DO WEDREAM ?

·          SLEEP, DREAMS , AND CONSCIOUSNESS

 

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail


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