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40 Cards in this Set

  • Front
  • Back
What does ACCAPECST stand for?

Awareness, level of


Controlled processes


Content limitations


Automatic processes


Perceptual experiences


Emotional awareness


Cognotive abilities


Self control


Time orientation

Consciousness

awareness of objects and events in the external world and of our own existence and mental


experiences at any given moment

State of consciousness
level of awareness of our internal state and external surroundings which determines how much information we will take in and respond to
selective vs divided attention
selective involves choosing and attending to a specific stimulus while excluding others while divided is the ability to distribute our attention and undertake two or more activities at once

controlled process
controlled requires a high level of mental effort and alert awareness to complete, tending to be serial (can only perform one at a time)
automatic process
automatic requires little conscious awareness and mental effort while tending to be paralell (can handle two or more tasks at once)
acronym for brain waves and meaning

Boys-beta


Are-alpha


Terrible-theta


Dancers-delta

Beta brain waves

low amplitude, high frequency


associated with NWC and alert attention

Alpha brain waves

low amplitude but higher than beta waves, high frequency but lower than beta waves


associated with relaxed, wakeful state

Theta brain waves

mixture of low and high amplitude, medium frequency


associated with early stages of sleep

Delta brain waves

highest amplitude and lowest frequency


associated with deepest stages of sleep

acronym for methods of measuring alertness

Detects


Amplify


Record


Electrical activity of...

eeg
detects amplifies and records the electrical activity of the brain
eog
detects amplifies and records electrical activity of the eye muscles
emg
detects amplifies and records the electrical activity of the muscles
ecg
detects amplifies and records the electrical activity of the heart
sleep
a regular occurring asc which is generally naturally induced and is characterised by loss of cconscious awareness
atonia
loss of muscle tone (muscle paralysis)
hypnogogic

the transition phase into sleep


generally between alpha and beta waves

four features of consciousness acronym

Personal


Selective


Continuous


Changing

sleep wake cycle shift in adolescences
hormonally induced (melatonine) shift of the body clock forward by 1-2 hours making adolescences sleepy 1-2 hours later
sleep deprivation

total- no sleep at all


partial - less than what an individual usually gets

sleep debt
when the body misses out on sleep the time accumulates which eventually has to be made up for
microsleep
very short period of drowsiness or sleeping the individual cannot recall that occurs while the person is awake
purpose of sleep theory

restorative- allows the body to replenish the stores of energy depleted during the day


survival- sleep evolved to enhance survival by protecting the organism by making it inactive through the most dangerous part of the day when its most dangerous to move around

NREM

approximately 80% of sleep, time when body recovers, tissue repair, removing waste products, four stages, adults 70-90 minutes



REM
rapid eye movement, where most dreams occur & vivid, rem occurs more often and for longer periods each sleep cycle, beta waves, atonia, mental repair (consolidation for memory, strengthening neural connections)
NREM stage 1

drifting into and out of true sleep state, decrease in alpha waves, increase with theta


hypnic jerks occur, if woken from may not think that sleep has occurred

hypnic jerk
as a result of our muscles relaxing sometimes part of our body will spasm
NREM stage 2
light stage of sleep, mainly theta waves, sleep spindles occur (brief bursts of higher frequency brain wave activity), k complexes occur (bursts of low frequency, high amplitude), brain still responds to various external and internal stimuli
NREM stage 3
start of the deepest period of sleep, people are difficult to arouse, if woken groggy and disorientated, delta waves begin to appear (20-50%), as night progresses less time is spent in this stage
slow wave sleep
presence of delta waves (stage 3 and 4)
NREM stage 4
delta waves dominate 50%, deepest stage of sleep, muscles completely relaxed, as night progresses less time is spent in this stage
physiological signs of sleep progressing
heart rate drops, blood pressure drops, body temp drops and breathing rate slow and steady while muscles gradually relax
sleep patterns over the lifespan
from birth onward the amount of time spent sleeping gradually decreases as does the time spent in REM sleep
newborn infant
16 hours a day, 50%rem
end of infancy
12-13 hours, 25-30% rem
end of childhood onset of adolescence
9 hours, 20% rem
late adulthood
6-7 hours, one third rem
elderely
nrem sleep is mostly stage 2 shallow sleep