YEAR 1 Flashcards
Define sleep homeostat.
A sleep deficit elicits a compensatory increase in the intensity and duration of sleep, while excessive sleep reduces sleep propensity.
What is a zietgeber?
a rhythmically occurring natural phenomenon which acts as a cue in the regulation of the body’s circadian rhythms.
Which molecule has a primary role to play in sleep?
Adenosine
What is the relationship between sleep and alcohol?
alcohol reduces REM sleep
What measures eye movement`?
EOG
What measures muscle tone?
EMG
What measures brain waves?
EEG
What measures Brain waves, muscle tone, breathing and eye movements?
PSG
Define alcohol abuse
Habitual excessive use of alcohol such that drinking alcohol has caused problems in other areas of life e.g. social, personal or legal problems.
Define chronic alcohol dependence
When somebody drinks excessively leading to growing problems in their life but continues to drink even after their alcohol consumption begins to affect them physically.
What are the risk factors of alcohol abuse?
- High stress
- anxiety
- depression
- culture
- religion
- family
- work influence, starting college or a new job*
- peer pressure
- income/financial pressure
- proximity to alcohol retail stores.
What is the two-process model of sleep regulation?
the interaction of its two constituent processes, a sleep/wake dependent homeostatic Process S and a circadian Process C, generates the timing of sleep and waking.
What is the Poverty Line?
The minimum level of income deemed adequate in a particular country
What is gig economy?
- describes a labour market where organisations, such as Uber and Deliveroo, contract with independent workers for temporary positions, instead of permanent jobs.
- Instead of being paid a minimum wage, workers could get paid for completing work, such as Deliveroo drivers get paid per each food delivery.
What is social protection?
benefits from the government