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Definition
| factors that initiate sustain and direct behaviour |
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Definition
| automatic and unlearned behaviour |
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Term
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Definition
| body maintains homeostasis |
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Term
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Definition
| engage in behaviour to go back to homeostasis |
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Term
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Definition
| system is at balance/equilibrium |
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Definition
| have set points to stay at homeostasis |
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Definition
| unable to regulate body temperature |
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Definition
| uses energy to maintain behaviour |
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Definition
| body fluid drops due to loss in extracellular water. to regain levels you must consume salty food and drink water |
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Term
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Definition
| fluid is the body decreases inside cells. to reach normal state the outside of cell concentrations must match the inside of the cell. |
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| 5 sensations of taste: sour, sweet, bitter salty and unami (meat) |
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Definition
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Definition
| more of a certain food you eat the less appealing it becomes |
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Definition
| avoid food associated with illness/poor nutrition |
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Term
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Definition
| preference for taste of nutrients not the nutrients itself |
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Term
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Definition
1- mouth- grounds food fine and saliva
2- stomach- gastric juice- hydrocloric acid and pepsin
3- small intestine- breaks up leftover food (carbs = sugars, proteins=amino acids, fats=fatty acids) |
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Term
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Definition
| brain and outside BBB, toxins can induce vomiting |
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Term
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Definition
| body lives off nutrients from digestive system |
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Term
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Definition
| when glucose levels drops=storage of energy and glucose needed |
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Term
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Definition
| transforms liver to store glycogen to glucose again |
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Term
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Definition
| controls eating and feeding behaviour |
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Term
| paraventicular nucleus (PVN) |
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Definition
| initiates eating but less than hypothalamus |
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Term
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Definition
1- low supply of glucose- glucoprivic
2- liprovitic- fatty acids
3- stomachs nutrients depleted
medulla keeps track of hunger
arovate nucleus- monitor condiiton
ghrelin- released in bloodstream and gone when fasting |
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Term
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Definition
breaks down fat (bile) and give to liver etc
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Term
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Definition
| tells brain you dont need to eat |
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Term
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Definition
signals brain to decrease eating
-inhibits the arcular nucleus
low levels can increase hunger |
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Term
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Definition
released by small intestines into blood stream, inbihits AN
-reduces food intake over next 12 hours |
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Term
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Definition
Body Mass Index- over 30 overweight
18.5-25 healty |
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Term
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Definition
1- restrictors- reduce food intake
2- purgers- VOMIT VOMIT |
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Term
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Definition
-limited to binging and purging
-maintain healthy weight |
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Term
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Definition
seems to help eating disorders by
reducing seratonin levels
trigger reward points |
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Term
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Definition
| drugs that have psychological effects |
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Term
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Definition
| mimics or enhances the effect of a neurotransmitter |
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Term
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Definition
| drugs block of reduce neurotransmitter |
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Term
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Definition
| when a drug binds to a receptor |
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Term
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Definition
| tendency to activate the receptor |
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Term
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Definition
1-preoccupation with obtaining drug
2-compulsive use of the drug despite of adverse consequences
3- a high tendency to relapse even after quitting |
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Term
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Definition
negative reaction that occurs when drug is stopped
-opposite reaction of what drug did to you |
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Term
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Definition
| person becomes less responsive to drug |
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Term
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Definition
-drugs derived from opium poppy
-analgestic (pain relieving)
-hypnotic (sleep)
-produces strong euphoria
-mimics natural endorphins |
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Term
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Definition
reduce CNS activity
-sedative
-anxiolytic (anxiety reducing)
-anticonvulsant (prevent seizures) |
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Term
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Definition
| produce euphoria, anxiet reduction, sedation, motor incoordination& cognitive impairment |
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Term
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Definition
affect people somewhat like alcohol
-calming, hypnotic, antoconvulsant
-decrease glutamate activity and increase GABA activity
-highly addictice |
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Term
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Definition
| -activate CNS to produce arousal, increased alertness and elevated mood |
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Term
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Definition
procude euphoria
increase confidence, concentration and energy
-increase release of dopamine and norepinephrine
can lead to heart attacks, parkinson's and psychosis |
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Term
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Definition
produces euphoria, decrease appetite, increase alertness and relieves fatigue
blocks reuptake of dopamine |
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Term
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Definition
stimulates nicotinic acetylcholine receptors
-low doses acts as stimulant
-higher doses has calming affect |
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Term
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Definition
produces arousal, increased alertness, decreased sleepiness
block adenosine receptors
protects against parkingsons and alzheimers |
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Term
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Definition
| causes perceptual distributions of user |
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Term
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Definition
-distortions, seratonin aganist
-disrupts brain stem's ability to screen out irregular stimuli |
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