Yr13 Biorhythms Key Terms

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Can you name the Yr13 Biorhythms Key Terms?

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

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