Yr13 Biorhythms Key Terms

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Can you name the Yr13 Biorhythms Key Terms?

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

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