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Consciousness
Chapter 5*
57
Psychology
Undergraduate 1
10/03/2010

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Term
Consciousness
Definition
of what is the most important to you…alarm usually comes first. Info goes through five sense > processes of perception > consciousness – changes dramatically through out our day of different states /that which we are aware of in one particular moment
Term
Functions of Consciousness
Definition
1. simplify and select information
2. guide and oversee action
3. set priorities
Term
Structure of Consciousness
Definition
1. conscious
2. preconscious memory
3. nonconscious/automatic
4. unconscious processes/repression
5. unconscious
Term
Conscious
Definition
that which we are aware of in one particular moment
Term
Preconscious
Definition
become conscious only when we need them
1. episodic
2. representational
Term
Episodic Consciousness
Definition
memories of experiences in our lives
Term
Representational Consciousness
Definition
memory of stored info
Term
Nonconscious/ automatic
Definition
automatic functioning of the body(heart beat, regulation of circulation, >)
Term
Unconscious Processes / Repression
Definition
below the level of consciousness but maybe retrievable through hypnoses, etc
Term
Unconscious
Definition
Freud/hold basic instincts and unwanted fears and thoughts
Term
Changes in Consciousness
Definition
1. biological or circadian rhythms
2. daydreaming and fantasy
Term
Biological or Circadian rhythms
Definition
one day cycle (light/dark, meal times)/ it will change to a 25 hour day when a person does not have a clock/ body temp has a daily rhythm
Term
Daydreaming and fantasy
Definition
border line states (shift attention from external to internal)/planning/95% of people daydream daily/when there is no change in the environment/think about common, practical things – rehearse conversations
Term
Sleep
Definition
dramatic alteration in consciousness/spend 25 years sleeping
1. function - conservation theory, restoration theory
2. amount needed and deprivation
3. measurements, EEG, EOG EMG
4. Stages, NREM, REM
5. age
Term
Functions of Sleep
Definition
1. Conservation theory
2. restoration theory
Term
Conservation theory of Sleep
Definition
more likely to survive if we keep very still at night because predators come out at night/use energy during the day to hunt, etc (evolution)
Term
Restoration Theory of Sleep
Definition
regenerate cells, basic biochemistry
Term
Amount of sleep needed
Definition
average is about 7 ½ hours
Term
Sleep Deprivation
Definition
hallucination, disoriented, paranoia, morbid
- In a relatively short period of time (3 days) a persons world be comes disoriented (hallucinate, loose contact with reality) yet a little sleep will restore the person back to full function
Term
Measurement of Sleep
Definition
1. EEG
2. EOG
3. EMG
Term
EEG
Definition
electroencephalogram = measures brain wave activity
Term
EOG
Definition
electrooculogram = measures eye movement
Term
EMG
Definition
electromyogram = measures muscle activity
Term
Stages of Sleep
Definition
1. NREM
2. REM
Term
NREM
Definition
Stages 1-4 = we go through regular repetitive cycles every night, toss and turn
1. brain wave is regular, lower in amplitude
2. spindles appear (spikes) characteristic of sleep
3. delta waves appear
4. mostly delta waves – irregular brain waves (hard to wake up)
Term
REM
Definition
brain waves become more regular (look like an awake state), rapid eye movement sleep (bodily changes), lots of dreams, blocking of muscle commands
Term
Ages & Sleep Relationship
Definition
Amount of sleep we need goes down
- The amount of time spent in REM sleep goes down gradually
Term
Dreaming
Definition
1. REM and NREM
2. Content
3. Theories - Freud & Activation Synthesis
Term
REM Dreaming
Definition
more dreams, used to think it was like a movie but not anymore
Term
NREM Dreaming
Definition
no dreams
Term
Dreaming Content
Definition
most common dream is people being chased or pursued and they cant movie because of leg paralysis (sleep), 2nd most common – sexual and 3rd – is falling because vestibular and balance 4th is school 5th being late
Term
Dreaming Theories
Definition
1. Freudian - manifest vs latent content
2. Activation synthesis
Term
Freudian Dream Theory
Definition
Manifest vs Latent Content
Term
Manifest Content
Definition
unconscious ideas, fears, and wishes being released
Term
Latent Content
Definition
what we remember or what happened
Term
Activation Synthesis
Definition
Cartwrights theory of dreaming: most of what we dream about is from the last 24-48 hours and puts them together with other memories or experiences during life
Term
Drugs and Substance Abuse
Definition
1. Abuse vs dependence (tolerance, withdrawal)
2. Depressants
3. Stimulants
4. Hallucinogens
5. Marijuana
6. "Designer" Drugs
7. Performance enhancing drugs - anabolic steroids, HGH
Term
Drug Abuse
Definition
using drugs to the point where you put yourself into dangerous situations
Term
Drug Dependence
Definition
using drugs to the point where you need them in order to function
Term
Tolerance
Definition
more of the drug is taken in order to get the same effect
Term
Withdrawal
Definition
when a person becomes drug dependent and decides or is forced to no longer use, many symptoms occur including unpleasant physical symptoms when a person stops taking the drug –anxiety, shaking, etc
Term
Depressants
Definition
effects and types
depress central nervous system activity, initially feel stimulating (depress inhibitory centers of the brain)
ex) alcohol, opiates, sedatives, barbiturates, minor tranquilizers
Term
Stimulants
Definition
effects and types
increase alertness and decrease drowsiness
ex) caffeine, cocaine, amphetamines, ecstacy
Term
Hallucinogens
Definition
effects and types
alter sensations and perception, creates hallucinations/alternate worlds, used in ritual societies, sounds become amplified, cross over of sensations (see sounds or smell colors), effects lasts for 6 hours, flashbacks occur
ex) LSD marijuana
Term
Marijuana
Definition
a hallucinogen grown from a hemp plant containing THC, relaxation, release of inhibition, perceptual changes, significant variability (pleasant>irritable), dependence (no tolerance and withdrawal), psychological dependent, long term effect is on motivation
Term
"Designer" drugs
Definition
Term
Performance Enhancing Drugs
Definition
Drugs in Sports
1. Anabolic steroids
2. HGH
Term
Anabolic Steroids
Definition
100 types derived from testosterone, increase muscle development, bone growth, strength, endurance, side effects – mood swings, irritability, infertility, premature heart and liver disease
Term
HGH
Definition
chemically produced, similar to hormones produced in the pituitary gland, increase strength, muscle growth, endurance, side effects – organs grow too large, shortens life span, brain deterioration, leads to death
Term
Hypnosis
Definition
altered state of consciousness and awareness by variety of techniques and produces distortions of self-control and other effects – narrow attention, mere accepting
1. Characteristics
2. Hypnotizability/ suggestibility
3. uses
Term
Characteristics of Hypnosis
Definition
1. suggestibility
2. limited attention
3. acceptance of illusory perceptions and irrational arguments
Term
Suggestibility
Definition
a characteristic of hypnosis that depends how suggestible the person is
Term
Limited attention
Definition
a characteristic of hypnosis that depends on the persons attention span
Term
Acceptance of Illusory Perceptions
Definition
a characteristic of hypnosis that depends on the persons willingness to be hypnotized
Term
Irrational Arguments
Definition
many myths about hypnosis are recognized along with many arguments that it does not work at all
Term
Hypnotizability
Definition
how easy it is to be hypnotized and who is willing to be hypnotized
Term
Uses of Hypnosis
Definition
1. pain reduction
2. habit disorder
3. multiple personality disorder
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