Consciousness Flashcards

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1
Q

consciousness

A

awareness of the world and self

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2
Q

circadian rhythm

A

the cycle in biochemical, physiological, and behavioral processes of living entities
set by light
regulated by melatonin

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3
Q

owls

A

night people

more commonly are younger or extroverts

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4
Q

larks

A

morning people

more commonly are older or introverts

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5
Q

sleep

A

reduced or absent consciousness, suppression of sensation, less reactions to stimuli, and the elimination of voluntary activity

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6
Q

parts of the brain involved in sleep

A

hypothalamus
thalamus
reticular formation

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7
Q

stages of sleep

A
awake
awake and drowsy
stage 1 
stage 2 
stage 3 
stage 4 
REM
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8
Q

how long do stages 1-4 last?

A

50-70 mins

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9
Q

how long does REM sleep last?

A

10-15 mins

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10
Q

how much does the average American sleep per night?

A

6.8 hrs

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11
Q

why do we sleep? (hypotheses)

A

reduce danger
conserve energy
restore body resources
remove brain toxins

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12
Q

dreams

A

involuntary brain activity during sleep

reported as ideas, images, emotions, and sensations

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13
Q

common dreams

A
flying 
naked in a crowd
not being prepared
being trapped
being chased
dying 
falling
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14
Q

are dreams mostly negative or positive?

A

negative

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15
Q

parts of the brain involved in dreaming

A

pons
amygdala
hippocampus

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16
Q

Freud’s wish fulfillment

A

dreams express unacceptable feelings and desires

17
Q

information processing

A

dreams select and test cognitive options

18
Q

activation synthesis

A

dreams are stories that the waking brain weaves about neural activity that is evoked during REM sleep

19
Q

memory consolidation

A

dreams preserve neural pathways

20
Q

parasomnias

A

sleeping disorders that involve abnormal movements, behaviors, emotions, perceptions, and dreams

21
Q

sleeptalking

A

parasomniac sleep disorder that occurs in any stage of the sleep cycle

22
Q

sleepwalking

A

parasomniac sleep disorder that occurs when the brain is partially aroused

23
Q

night terrors

A

parasomniac sleep disorder that occurs in the non-REM stages of sleep

24
Q

nightmares

A

parasomniac sleep disorder that occurs in the REM stage of sleep

25
Q

dyssomnias

A

sleeping disorders characterized by abnormal sleeping patterns

26
Q

narcolepsy

A

dyssomniac sleep disorder that causes uncontrollable attack of REM sleep during the day

27
Q

sleep apnea

A

dyssomniac sleep disorder that causes periods of stopped breathing during sleep

28
Q

insomnia

A

dyssomniac sleep disorder that causes difficulty to fall or stay asleep

29
Q

how to sleep better

A
maintain consistent hours of sleep
avoid caffeine or food before sleeping
relaxing bedtime routine
only use the bed for sex and sleep
get out of bed if you can't sleep
30
Q

meditation

A

practice that brings mental processes under greater voluntary control
enhances calmness, clarity, concentration, and well-being
increases the amount of theta and alpha waves
decreases the amount of beta waves

31
Q

mindfulness

A

paying attention in a particular way on purpose, in the present moment, and non-judgementally