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PSYC 1100 > chapter three (consciousness) > Flashcards

chapter three (consciousness) Flashcards

1
Q

consciousness

A

the moment to moment awareness of ourslves and our surrondings

your experience of reality (subject/private)

changing stream of mental activity

awareness of our own self

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2
Q

freuds model of consciousness

A

consious-mental events we are currently aware of (reading rn)

preconsious- outside of current awareness and easy recalled

unconcsious - not brough inro consious awareness under orindy circumstance (tramua)

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3
Q

controlled conginitive unconsious

A

effortful

voluntary use of attention, consious effort

diffcult/new tasks

slower bur more flexiable than automtic

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4
Q

automatic cognitive unconscious thought

A

little to no consious processing

routine, weel learned tasks

fast but can inhibit finding new solutions

facilicates ‘divided attetnion’

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5
Q

biological rhythms

A

waves of physiological fluctuation

body fluctuations controlled by our internal ‘biological drive’

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6
Q

circadian rhythms

A

24 hour cycle of biological activity

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7
Q

brain and enironment

A

cicadian rhythms regulated by suprachiasmatic nuclei (SCN)

SCN neurons link to pineal gland, which secretes melation

SCN are active during the day and inhibits melation anf raises body temp/awareness

SCN are inactive at night and alloweds melation and causes relexation and sleepiness

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8
Q

sleep stages

A

stage 1,2,3 and REM

each stage has distinictive brain waves

cycle through 4 stages every 90 minutes

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9
Q

alpha waves

A

slow brain waves

awake but relaxed/drowsy

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10
Q

stage 1 sleep

A

theta waves (slow and irregular )

light sleep (lasts 5 minutes )

heart rate/breathing slow

sudden body jerks and hallucinations

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11
Q

stage 2 sleep

A

deeper sleep (lasts 20 minutes)

clearly asleep/ more relaxed

sleep spindles (bursts of rapid brain activity)

sleep talking

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12
Q

stage 3 sleep

A

sleep deepness

hard to awaken (lasts about 30-40 minutes)

heartrate/breathing slow

appearance of delta waves(slow)

sleepwalking can occur

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13
Q

rem/stage 4 sleep

A

rapid eye movements

lots of brain activity heart/breathing rapid

drreaming

body essentially paralyzed

paradoxical sleep

REM rebound

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14
Q

sleep deprivation

A

sleep debt

lack enegry/feel tired

cant concentrate

make mistakes/cause accidents

bad mood

suppressed immune system

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15
Q

insomina

A

chronic diffuclty falling asleep

most common

multiple cases

treatment=drugs/stimulis control

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16
Q

pseudonsomniac

A

copmlain of insomina(but sleeo normal )

individuals truely believe they have insomina

research in sleep labs show most sleep normally

17
Q

narcolepsy

A

extreme daytime tiredness

sudden, uncontrollable attacks

cataokexy(loss of muscle tone)

cause unknown

18
Q

REM sleep behaviour disorder (RBD)

A

loss of muscle tone

sleeper act out dreams

injure themslves/partner

19
Q

sleep apnea

A

about 1-5% of population

repeated cycle in which breathing stops/restatrts

lasts 20-40 secs

serve cases (400-500 times a night)

common cause (obstruction of airway)

20
Q

sleep walking

A

stage 3 sleep

more common in children

cause (heredity,stress,meds)

treatemetn(hypnosis,drugs,waiting)

myth (waking a sleepwalker in dangerous)

21
Q

night terrors

A

frightening dreams (near panic)

sleepers may flee room

most common in children

22
Q

why we dream (freuds psychanlytic)

A

wish fulfillment

gratification of desire (agression/lust)

23
Q

manifest content

A

surface story of dream

what happened in it

24
Q

latent content

A

disguised psychological meaninv

25
Q

activation-synthesis theroy

A

activation = random neutral actvity

synthesis= brrain making sense

dreams serve no purpose

by product neutral activity

brain synthesizes ‘best fit’ story

26
Q

congitivite approach of dreams

A

probelming solving

help us find solutions to person problems

cognitive process

dream/waking thououghts produced by same systems

27
Q

physical dependence

A

need for a drug

withdrawals

tolerance

28
Q

psychological depedence

A

emotional need

29
Q

depressants

A

supress cns activity

gaba agonist

calming/relaxing

30
Q

stimulants

A

increase cns activity

dompine agonist

stimulating effects

31
Q

opiods

A

analgesic propertiese (reduce pain)

mimics natural opiods

euphoria

32
Q

suprachisamatic nucleus

A

h

33
Q

rem rebound

A

REM rebound is the lengthening and increasing frequency and depth of rapid eye movement sleep which occurs after periods of sleep deprivation

PSYC 1100 (7 decks)

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