文档介绍：Myers’ PSYCHOLOGY
Chapter 7
States of
Consciousness
Waking Consciousness
. Consciousness
. our awareness
of ourselves
and our
environments
Sleep and Dreams
. Biological Rhythms
. periodic physiological fluctuations
. Circadian Rhythm
. the biological clock
. regular bodily rhythms that occur on
a 24-hour cycle, such as of
wakefulness and body temperature
Premenstrual
Syndrome
3
Recalled mood is
Negative mood worse than
score earlier reported
2
1
Premenstrual Menstrual Intermenstrual
Menstrual phase
Actual Recalled mood
Sleep and Dreams
. REM (Rapid Eye Movement) Sleep
. recurring sleep stage
. vivid dreams
. “paradoxical sleep”
. muscles are generally relaxed, but other
body systems are active
. Sleep
. periodic, natural, reversible loss of
consciousness
Sleep and Dreams
. Measuring sleep activity
Brain Waves and
Sleep Stages
. Alpha Waves
. slow waves of a
relaxed, awake
brain
. Delta Waves
. large, slow waves
of deep sleep
. Hallucinations
. false sensory
experiences
Stages in a Typical
Night’s Sleep
Awake
Sleep
stages
1
2
3
REM
4
0 1 2 3 4 5 6 7
Hours of sleep
Stages in a Typical
Night’s Sleep
Minutes
of Decreasing
Stage 4 25 Stage 4
and
REM 20
15 Increasing
REM
10
5
0
1 2 3 4 5 6 7 8
Hours of sleep
Sleep Deprivation
. Effects of Sleep
Loss
. fatigue
. impaired
concentration
. depressed immune
system
. greater
vulnerability to
accidents