Download Exploring Consciousness: Neuroscience, Biological Rhythms, and Sleep and more Study notes Psychology in PDF only on Docsity!
1
History of Consciousness
1. Psychology consciousness. began as a science of
2. Behaviorists consciousness argued from psychology.about alienating
3. However, (consciousness) after 1960, started mental reentering concepts
psychology.
2
an^ Consciousness, awareness of^ modern ourselves^ psychologists and our environment.^ believe,^ is
Forms of Consciousness
Bill Ling/ Digital Vision/ Getty ImagesChristine Brune Stuart Franklin/ Magnum Photos AP Photo/ Ricardo Mazalan
3
Neuroscience & Consciousness
emergesNeuroscientists from the^ believe interaction^ that^ consciousness of individual brain events from much different like musicala chord (^) notes.that is created
4
Biological Rhythms
- Annual migrate, cycles: grizzly On bears an annual hibernate, cycle, and geese humans experience sleep, and mood.seasonal Seasonal variations Affective in appetite, Disorder (SAD) during is dark a mood winter disorder months. people experience
Biologicalinternal rhythms “biological are controlled clocks.” by
5
Biological Rhythms
- 28 female‐day cycles:menstrual The cycle days. averagesResearch 28 shows may not menstruation affect moods.
6
Biological Rhythms
- (^24) cycles‐hour of cycles: varying Humans alertness experience (sleep), body 24 ‐hour temperature, and growth hormone secretion.
- 90 of‐ minutesleep in cycles: We 90 ‐minute gocycles. through various stages
10
During slows down.deepest There sleep are (stages large (^3) ‐amplitude,‐4), brain activity slow delta waves (1.5‐ 4 cps).
Sleep Stages 3 ‐ 4
11
Stage 5: REM Sleep
sleepAfter cycle^ reaching starts^ movingthe^ deepest backward^ sleep^ stage towards^ (4),^ thestage amplitude,^ 1.^ Although fast^ still and^ asleep, regular^ the betabrain waves^ engages (15^ ‐in 40 low cps)‐ much like awake‐aroused state.
A personRapid Eyeduring Movements this sleep (REM) exhibits and reports vivid dreams.
12
90 ‐Minute Cycles During Sleep
With and each the 90 ‐durationminute cycle, of REM stage sleep 4 sleep increases. decreases
13
Sleep Deprivation
- Fatigue and subsequent death.
- Impaired concentration.
- Emotional irritability.
- Depressed immune system.
- Greater vulnerability.
14
Sleep Theories
- Sleep predators Protects: Sleeping loomed about in kept the our darkness ancestors when out
- ofSleep^ harm’s Recuperates: Sleep^ way. helps restore and repair brain tissue.
- Sleep rebuilds Helps our Remembering: Sleep fading memories. restores and
- Sleep gland andreleases Growth: During growth hormone. sleep, Olderthe pituitary people release less of this hormone and sleep less.
15
- Somnambulism: Sleepwalking.
- Nightmares: a sleeper from Frightening REM. dreams that wake
- Night with intense terrors: fear Sudden accompanied arousal from by sleep physiological rate, perspiration) reactions that occur(e.g., rapidduring heart SWS.
Sleep Disorders: Insomnia
19
Is Hypnosis an Altered State of Consciousness?
- SocialHypnotic Influence subjects Theory: may simply actors playing be imaginative a social
- Divided^ role. Consciousness Theory: special state Hypnosis of is a dissociated consciousness (divided) (Hilgard, 1986, 1992). (^) (Hilgard, 1992)
Courtesy of News and Publications Service, Stanford University
20
Both Theories
Mimi Forsyth
21
Mind‐Body Problem
- Dualism: Dualists physical) and body believe (physical) that aremind two (non distinct‐ entities that interact.
- Monism: Monists are different aspects believe of the that same mind thing. and body
Near‐death Can the experiences mind survive raise the the dying mind body?‐body issue.
