Mindmap
Variations In Consciousness
Mind map: Variations in consciousness
Inhalt der Mindmap
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
- Variations in Awareness and Control
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
- Stage1-4: Onset of sleep is gradual
- 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
- Sleep apnea: frequen, reflexive grasping for air that awakens a person and disrupts sleep
- Narcolepsy: sudden and irresistible onsets of sleep during normal waking periods
- Sleep Restriction: substantially less sleep than normal over a period of time
- Problems in the Night: Sleep Disorders
- Insomnia: chronic problems in getting adequate sleep
- Cycling through the Stages of 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
- Links between Dreams and Waking Life
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
- Hypnotic Induction and Susceptibility
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
- Psychoactive drugs are chemical substances that modify mental, emotional, or behavioural functioning
- 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
- Physical dependence: exists when a person must continue to take a drug to avoid withdrawal illness
- Drugs and Health
- Overdose
- Direct effects: Can cause serious health problems
- Indirect: effects attitudes, intentions, and behaviour
- Direct effects: Can cause serious health problems
- Overdose
- Principle Abused Drugs and their Effects