unit 7 pt. 1 Flashcards
glucose
the form of sugar that ciculates in the blood and provides the major source of energy for body tissues. when its level is low, we feel hunger
Appetite hormones that increase hunger
-ghreline: hormone secreted by empty stomach (the little gremlin that gave you hunger)
-orexin: hunger-triggering hormone secreted by hypothalamus
appetite hormones that decrease hunger
-insulin: Hormone secreted by pancreas; controls blood glucose
-leptin: protein hormone secreted by fat cells. increase metabolism and decrease hunger ( the little leprechaun that stole your hunger)
-PYY: digestive tract hormones; sends “im not hungry” to brain
set point
the point at which your “weight thermostat” may be set. when you body falls below this weight, increased hunger and lowered metabolic rate may combine to restore lost weight
basal metabolic rate
the body’s resting rate of energy output
carbs boost what neurotransmitter
serotonin (calming effect)
physiology of hunger
stomach contractions (pangs) send signals to the brain making us aware of our hunger
which psychologist removed rats stomachs, and what did the find
-Tsang
- rats still ate food, so hunger must not only be coming from the stomach
obesity
defined as a body mass index (BMI) of 30 or higher (over weight is >25)
sexual responce stages
the four stages of sexual responding described by Masters and Johnson- excitement, plateau, orgasm, and resolution
refractory period
in human sexuality, a resting period that occurs after orgasm, during which a person cannot achieve another orgasm
affiliation-need
the need to build relationships and to feel part of a group
neophobia
the fear of trying new things
what does the lateral hypothalamus do for hunger
brings on hunger
what does the ventromedial hypothalamus do fro hunger
suppresses hunger
bulimia nervose
a disorder characterized by lots of overeating, followed by vomiting, using laxatives, fasting, or excessive exercise
Zajone and LeDoux
sometimes emotional response takes neural shortcut that bypasses the cortex and goes directly to the amygdala
display rule
-the idea that we have rules on how we can display emotion
- Ekman’s
Lazarus
-brain processes much info w/o conscious awareness, but mental functioning still takes place
-Emotions arise when an event is appraised as harmless or dangerous
what are the 10 basic emotions according to Carrol Izard
-Joy, Interest excitement, surprise, sadness, anger, disgust, contempt, fear, shame, guilt
ostracism
-deliberate social exclusion of individuals or groups
narcissism
excessive self love and self absorption
Achievement motivation
-a desire for significant accomplishment, for mastery of skills or ideas, for control, and for attaining a high standard
grit
-in psychology, passion and perseverance in the pursuit of long-term goals