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30 Cards in this Set

  • Front
  • Back
An individual who has just eaten a bag of pretzels will show what type of response?
osmotic thirst
Which chemical increases blood pressure in response to low blood volume?
vasopressin ADH
how would the body respond after being wounded in battle (lots of blood loss)?
hypovolemic thirst & drink lots of gatorade
which chemical is released when blood sugars get too high?
insulin
the most common zeitgeber is..
the sun
sleep apnea
the inability to breath properly during sleep
migration is a ___ rhythm
circannual
the neurotransmitter involved in long-term potentiation
glutamate
photosensitive pigment
melanopsin
appetite stimulant
gherelin
organism's ability to maintain a stable, constant condition (thermoregulation, water/salt concentrations, energy balance, balance of ions, etc.)
homeostasis
feedback from changes in one direction elicit compensatory effects in opposite direction
negative feedback system
drawn to eat by anticipated pleasure of eating
positive incentive theory
motivational state that causes us to stop eating when there is no food left
satiety
signals from taste receptors produce immediate decline in positive-incentive value of similar tastes
sensory-specific satiety
hunger center
lateral hypothalamus = feeding
lesions produce aphagia
satiety center
(hint: VHS)
ventromedial hypothalamus = satiety
lesions produce hyperphagia
wakefulness center
posterior hypothalamus + reticular activating system in reticular formation of brain stem (maintains wakefulness)
sleeping center
anterior hypothalamus
facilitation of synaptic transmission following high frequency electrical stimulation applied to presynaptic neurons
long term potentiation
satiety peptide (binds to receptors in hypothalamus and reduces food intake)
CCK
fenfluramine
serotonin agonists that reduce hunger, eating, body weight
fat releases this peptide hormone as a negative feedback signal to inhibit fat production and maintenance
leptin
once every 24 hours
circadian rhythm
part of brain responsible for spatial cognition
hippocampus
part of brain responsible for object recognition
perirhinal cortex
short term memories --> long term memories
memory consolidation
two types of explicit/conscious memories
semantic (facts) and episodic/autobiographical (events)
implicit memory
unconscious memory shown by performing tasks, improved test performance
alcohol abuse resulting in memory loss
korsakoff's syndrome