Arousal and Sleep Reticular formation. About sleep 1. All birds and mammals show characteristic sleep/wake cycles. 2. sleep is an active state(recorded.

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Presentation transcript:

Arousal and Sleep Reticular formation

About sleep 1. All birds and mammals show characteristic sleep/wake cycles. 2. sleep is an active state(recorded by EEG) 3. bottlenose dolphins

Sleep stages sleep is divided into two broad types: rapid eye movement (REM) non-rapid eye movement (NREM or non-REM) sleep. Regulating by reticular activating system

Sleep process REM sleep NREM sleep electroencephalography (EEG ) of sleep stages

Cerebrum Brainstem Regulating Stimulating For Sleep Stimulating For Arousal Reticular Formation 1.Pon 2.Medulla Midbrain Melatonin(hormone) produced by pineal gland Melatonin(hormone) produced by pineal gland

Reticular Formation 1.maintaining tone, balance, and posture 2. integrating stimuli motor coordination 3. gaze centers, central pattern generators 4. the cardiac and vasomotor centers of the medulla oblongata movement Function

5. pain modulation 6. habituation 7. sleep and arousal Defining signals

reticular activating system

For example In our lives 1.Car accident 2.Boxing 3.Coffee 4.Learning Disorder 1.Schizophrenia 2.Rapid eye movement behavior disorder

reference

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