Yr13 Biorhythms Key Terms

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Can you name the Yr13 Biorhythms Key Terms?

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

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