Zusammenfassung der Ressource
Variations In Consciousness
- Nature of consciousness
- Variations in Awareness and Control
- Mind wandering: refers to people's
experience of task-unrelated
thoughts
- Consciousness and Brain Activity
- EEG: is a device that monitors
the electical activity of the
brain over time by means of
recording electrodes attached
to the surface of the scalp
- The sleep and waking cycle
- Cycling through the Stages of Sleep
- Stage1-4: Onset of sleep is gradual
- Slow-wave: stages 3 and
4 during high amplitude
and low fequency
- REM Sleep: Rapid eye movement. deep
stage of sleep. vivid dreams
- The Neural and Evolutionary Bases of Sleep
- Ascending reticular
activating system:
afferent fibres running
through the reticular
formation that influence
physiological arousal
- Doing Without:
- Sleep Restriction: substantially
less sleep than normal over a
period of time
- Sleep Deprivation: deprived of REM sleep
- Other sleep problems:
- Narcolepsy: sudden and
irresistible onsets of sleep
during normal waking periods
- Sleep apnea: frequen, reflexive grasping for air
that awakens a person and disrupts sleep
- Nightmares: anxiety-arousing dreams that lead
to awakening, usually from REM sleep
- Problems in the Night: Sleep Disorders
- Insomnia: chronic problems in getting adequate sleep
- The World of Dreams
- Links between Dreams and Waking Life
- Lucid dreams:
people can clearly
think about the
circumstances of
waking life and the
fact that they are
dreaming, yet they
remain sleep in the
midst of vivid
dream.
- Theories of dreaming:
- Manifest content
consists of the plot
of a dream at the
surface level. the
latnt content refers
to the hidden or
disguised meaning of
the events in the
plot
- Hypnosis: Altered Consciousness or
Role Playing:
- Hypnotic Induction and Susceptibility
- Hypnosis is a systematic procedure
that typically produces a
heightened state of suggestibility
- Hypnotic Phenomena:
Anesthesia, sensory
distributions,
disinhibition, and
posthypnotic
- Theories of Hypnosis
- Social-cognitive theory of Hypnosis:
Hypnosis as Role Playing and Hypnosis as
an Altered State of Consciousness
- Meditation: Family of practices that train attention to heighten
awareness and bring mental processes under greater
voluntary control
- Altering Consciousness with Drugs
- Principle Abused Drugs and their Effects
- Psychoactive drugs are chemical
substances that modify mental,
emotional, or behavioural
functioning
- Types: Narcotics, Sedatives, stimulants,
hallucinogens, Cannabis, Alcohol, and
MDMA
- Drug Dependence
- Physical dependence: exists when a
person must continue to take a drug to
avoid withdrawal illness
- Psychological dependence: when a person must
continue to take a drug to satisfy intense mental and
emotional craving for the drug
- Drugs and Health
- Overdose
- Direct effects: Can cause serious health problems
- Indirect: effects attitudes, intentions, and behaviour