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Sleep

Beschreibung

Year 12 Psychology Mindmap am Sleep, erstellt von kleishahealey am 15/10/2013.
kleishahealey
Mindmap von kleishahealey, aktualisiert more than 1 year ago
kleishahealey
Erstellt von kleishahealey vor etwa 11 Jahre
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Zusammenfassung der Ressource

Sleep
  1. Regularly occurring ASC
    1. Spontaneous
      1. Loss of consciousness
      2. NREM Stage 1
        1. Decrease in...
          1. Heart rate
            1. Respiration
              1. Body temperature
                1. Muscle tension
                2. Hypnotic jerks
                  1. 5-10 minutes
                    1. Light sleep
                    2. NREM Stage 2
                      1. Light sleep
                        1. Easily woken
                        2. 10-20 minutes
                          1. Mainly theta waves
                            1. Sleep spindles
                              1. K-complexes
                              2. Brain still responds to internal and external stimuli
                                1. Muscle tension
                                  1. Door knock
                                  2. Physiological
                                    1. Body movements lessen
                                      1. Breathing regulates
                                        1. Blood pressure and temperature drops
                                          1. Heart rate slows
                                        2. NREM Stage 3
                                          1. Start of deepest sleep period
                                            1. About 10 minutes
                                              1. Moderately deep sleep
                                                1. Extremely relaxed
                                                2. Blood pressure & temperature continue to drop
                                                  1. Reduction in brain activity
                                                    1. Delta waves appear
                                                    2. Slow-wave sleep
                                                      1. Begins within an hour of falling asleep
                                                        1. Remain in SWS for about 30 minutes
                                                    3. NREM Stage 4
                                                      1. Deepest stage of sleep
                                                        1. Difficult to wake
                                                          1. Delta waves
                                                            1. Muscles are completely relaxed and barely move
                                                              1. Sleep phenomena
                                                              2. Less time spent in Stage 3&4 as the night progresses
                                                                1. Close to morning almost no time spent
                                                                2. First cycle = up to 20 minutes
                                                                3. REM
                                                                  1. Eye movement
                                                                    1. Increased respiration
                                                                      1. Increased brain activity
                                                                        1. Paradoxal sleep
                                                                          1. Brain & other systems become more active
                                                                            1. Muscles relax and paralysis occurs
                                                                            2. First cycle begins after about 90 minutes
                                                                              1. Length increases as the night progresses
                                                                              2. Dreaming
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