Arousal, drives and basic emotion Flashcards
what is the most basic definition of arousal?
awake vs asleep
what does an EEG show during arousal?
different activity patterns
what occurs during increased arousal?
faster heartbeat due to sympathetic nervous system
what is the Galvonic skin response (GSR)?
measures electrical resistance of skin, arousal= sweaty palms and so drop in resistnace, used in a ploygraph
what are the signals from the liver when got the urge to eat?
when liver converting glucose to glycogen; plenty of blood sugar and so not hungry. the brain then uses glucose and rest of body uses fatty acids
the conversion of glycogen to glucose; gradual decrease in blood glucose, liver converts glycogen to glucose and so rapid rise in blood glucose
what are two other signals of hunger?
detection og nutrients in digestive juices and so stomach singals to stop eatin
small intestine releases CCK
what is the ‘on’ centre in hypothalamis?
lateral hypothalamus and lesion leads to aphagia
what is ‘off’ centre in hypothalamus?
ventromedial hypothalamus and lesion leads to hyperphagia
what are the dual centres in the hypothalamus?
lateral hypothalamus and ventromedial hypothalamus
why is the on/off hypthesis too simple?
envirnmental factors; time, sight etc, are also important
social facotrs such as diet
sensory specific satiety
what are the 6 stages of hulls drive reduction theory?
homeastasis biological need primary drive motivation to satisfy drive goal directed behaviour need satisfied
what level is optimal arousal?
above 0
what was Schachter and Singers experiment for arousal?
give subjects adrenaline vitamins in waiting room
what is the order of folk psychology?
sensory systems to awarenss to response
ehat is the order of james lange and shcachter and singer theory?
sensory systems to repsonse to interpreation awareness
