Consiousness

12 important questions on Consiousness

What is the after-the-facts-explanations?

Sometimes unconscious processes lead people to do things that their conscious mind struggle to explain (frist you do things and then the mind comes up with an explanation)

What is the cocktail party phenomenon?

Selectively focus on oen conversation and ignoring others.

EEG paterns - alert wakfulness

High frequency beta waves
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EEG paterns - stage 3/4

Slow-wave sleep and delta waves

EEG patern - REM

Beta waves

Tell something about rem sleep, teh cycle of sleep, how many hours you need to sleep and who has the most and least rem sleep.

REM sleep is when you dream. You need about 8 hours of sleep and infants tend to have the most REM sleep while elderly tend to have the most amount of REM sleep.

What are the 3 theories about sleep?

1. Restorative theory
- to rest and repair the body

2. Circadian rhythm
- to keep animals quiet in the night

3. Facilitation of learning theory
- strenghtens neuroconnections (needed for learning)

What is the difference between non-REM and REM dreams?

REM dreams are bizarre and intense and non-REM dreams are dull

What do stimulants do, give example and what are the withdrawl symptoms?

1. Increase behaviour activity
2. Increase mental activity
3. Activates the sympathetic nervous system

amphetamine, cocaine, nicotine, caffeine

wd: activity of parasympathetic sys

What do depresants do, give examples and what are the withdrawel symptoms?

1. Reduce behaviour activity
2. Reduces mental health activity by depressing cns

alcohol, anti-anxiety drugs

wd: reversal effect

What do opiates do, give examples and what are the withdrawls sympthoms?

Opiates are narcotics.

1. Depress or low down the cns
2. Relieve pain and suffering

heroin, morphine and codeine

wd: sweating, dilated pupils

WHat are hallucinogens, give examples and what are the withdrawls symptoms?

Hallucinoogens are psychedelics.

1. They produce alterations in cognition, mood and perception.

LSD, mescaline, psilocybin mushroom

WD: not clear

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