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Psych > Variations in Consciousness > Flashcards

Variations in Consciousness Flashcards

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1
Q

The Nature of Consciousness:

Internal & external stimuli

A

Awareness of EXTERNAL events

Awareness of INTERNAL sensations

Awareness of SELF

Awareness of THOUGHTS about these experiences

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2
Q

EEG

A

electroencephalogram - Monitors electrical activity of brain over time using electrodes attached to scalp.

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3
Q

Amplitude

A

Height of brain wave

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4
Q

Frequency

A

speed of brain waves (cycles per second)

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5
Q

EEG PATTERNS - BETA

A

normal waking thought

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6
Q

EEG PATTERNS - ALPHA

A

deep relaxation

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7
Q

EEG PATTERNS - THETA

A

light sleep

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8
Q

EEG PATTERNS - DELTA

A

deep sleep

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9
Q

CIRCADIAN RHYTHM

A

24 hour biological cycle

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10
Q

MELATONIN

A

used to realign rhythm when ignoring sleep

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11
Q

EMG

A

Electromyograph: measures muscle tension

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12
Q

EOG

A

Electrooculograph: records eye movements

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13
Q

EKG

A

Electrocardiograph: records contractions of the heart

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14
Q

Stages of sleep

A

Wakefulness
Stage 1: Non-REM, light sleep
Stage 2: Non-REM, spindles
Stage 3: Non-REM, deep sleep
Rapid Eye Movement (REM) sleep

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15
Q

REM VS. NON-REM

A

NON-REM - brain is quieter and slows down.
REM - brain is more active and we are more inclined to dream

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16
Q

REM rebound

A

effectively allows the brain to compensate for lost REM sleep. During REM rebound, a person needs less sleep to get into REM sleep.

17
Q

Sleep deprivation

A

a condition characterized by inadequate or insufficient sleep sustained over a period of time

18
Q

Insomnia

A

Difficulty falling asleep, staying asleep, or early morning awakenings

Medical treatment: sedatives

19
Q

Narcolepsy

A

Sudden onsets of deep sleep

20
Q

Sleep Apenea

A

Mini-awakenings, gasping for air

21
Q

Somnambulism

A

Sleep walking

22
Q

REM Sleep Behavior Disorder

A

Dream re-enactments, person is able to move when they should not be

Psych (8 decks)

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