Yr13 Biorhythms Key Terms

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DefinitionKey Term
Working patterns that involve working different sets of hours
Small brain structure controlled by SCN that secretes Melatonin
According to Horne, a term to describe REM and deepest stages of sleep. So called because it is vital
In the RF, a set of neurones that control REM sleep and secrete noradrenaline
Deep sleep where dreaming doesn't occur, characterised by large, slow EEG waves
Sleep disorder where people have issues sleeping
Small group of neurons in the hypothalamus: linked to maintaining sleep patterns
Feeling of tiredness after long plane journeys
Neurotransmitter important in sleep and arousal and feeding behaviour
Depression during the winter months, aka S.A.D.
Frequent episodes in sleep where breathing stops for a few seconds
Walking while asleep, obviously.
An internal clock affecting biorhythms
Sleep type associated with dreaming
A biorhythm with a cycle lasting less than a day
The phenomenon where people deprived of REM sleep recover missed REM time
Records electrical activity in the brain, aka E.E.G.
EEG reading with no regular pattern, found when awake and when in REM sleep
EEG reading with regular pattern, found in deep sleep
What biorhythms do in the absence of zeitgebers
A biorhythm with a cycle lasting 24 hours
Term for animals active at night
Lifelong serious insomnia beginning in childhood: no obvious cause
DefinitionKey Term
Conditions that lead to loss of sleep and as a result cause daytime tiredness, e.g. Insomnia
Events occuring during sleep that DON'T lead to daytime sleepiness, e.g. nightmares, sleepwalking
An environmental factor affecting biorhythms
Insomnia caused by pre-existing conditions
Hormone vital for many biorhythms, levels of which increase at night and decrease when light
A biorhythm with a cycle lasting more than a day
group of neurones in the RF that control NREM and secrete serotonin
Scary dreams
Rare genetic condition where a person develops severe insomnia and eventually dies because of it
Genetic condition most often typified by the sufferer experiencing cataplexy while awake
Term for animals active during the day
Person awakes scared, disoriented and confused: NOT a type of nightmare
A regular pattern of physiological, behavioural or cognitive behaviour
Explanation for functions of sleep, stating it has developed as an advantageous behaviour
Rate at which animals burn up resources
States that sleep is needed to help the body recuperate
An animal's living conditions
Shifting our body clock backwards, e.g. through shift work or jet lag
Shifting our body clock forwards, e.g. through shift work or jet lag
aka RF: network of millions of neurones deep in the brain in charge of sleep and wake regulation
Insomnia that has no obvious cause
According to Horne, the lighter stages of NREM: non essential
Neurotransmitter vital for emotional states, sleep and depression

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Created Apr 2, 2010ReportNominate
Tags:definition, key, Key Terms, term