Sleep Flashcards
NREM 1 waves
Alpha waves and begin theta
NREM 2 waves
Theta + sleep spends and K complexes
NREM 3 waves
delta waves
REM waves
Beta-like waves
Manifest content
Actual content and storyline of a dream
Latent content
Hidden meaning of a dream
Activation-synthesis theory
states that dreams form as a result of our brain attempting to make sense of neural activity. Create a virtual reality containing useful information for reality.
Lucid dream
When certain aspects of wakefulness are taken into a dream. Person is aware and can exert control of their dream.
Zeitgebers
a time cue used in biological processes eg. light for sleep.
EEG
device that detects, amplifies and records brain waves.
EOG
device that detects, amplifies and records eye movement.
EMG
a device that detects, amplifies and records muscular tone and tension.
Percentage that experiences sleep disorders
30-50%
Parasomnias
group of behaviours defined by unwanted motor activities during sleep.
REM sleep behaviour disorder
when the paralysis typical of REM sleep does not occur. Can be linked to neurodegenerative diseases.
Sleep apnoea
sleep disorder where episodes of a sleepers breathing stopping occurs.
Obstructive sleep apnoea
when an individual’s airway blocks preventing air from reaching their lungs.
Central sleep apnoea
when there is an issue with the message sent from the brain to regulate breathing, causing interrupted breathing
CPAP machine
Continuous positive airway pressure
Sudden infant death syndrome
when an infant stops breathing during their sleep and dies.
Narcolepsy
when an individual cannot prevent themselves from falling asleep.
Cataplexy
lack of muscle tone or weakness or in some cases paralysis of muscle.
