Chapter 5 questions Flashcards
What is an EEG
gross index of brain activity, averaging the activity of billions of neurons
timely bright fluorescent light does what?
makes a person sleepy
During rem sleep EEG waves resemble - waves, muscles become more- and breathing and heart rate becomes-
Beta, relaxed, more rapid
Q
Suprachiamsmatic nucleus is damaged, animals
fall asleep and wake up at random times
differences in body weight within a culture result mainly from different in- weight differences across cultures can be strongly affected by differences in-
genes, the environment
thirst is what state for a runner
motivational state
set of neurons in which activity constitutes a motivational state is called
central drive system
psychic blindness
objects no longer have any psychological significance
a feeling of being sad and upset may be labeled as — when its free floating as —- when it is associated with specific loss
depression, grief
Q
release of dopamine into the nucleus accumbens:
promotes long-term potential of neural connections in that area
circadian-clock experiments with humans, Charles czeisler found that:
having a few hours of bright, artificial light at night coupled with avoidance of natural light during the day could reverse subjects circadian clocks
Q
olds and Milner identified reward pathways in the brain by
testing rats in an apperatus in which the rats could electrically stimulate various areas of their own brains by pressing a lever
experiencing satisfaction after being praised by ones professor for a good class presentation would be identified as
liking
Q
stress and too much caffeine during exam week cause ___ to suffer from___ or inability to sleep
insomnia
liking refers to the ___ and wanting refers to the ____
feeling of satisfaction that occurs when one receives a reward: desire to obtain a reward
emotions are Important because they
motivate us and help us communicate
Q
the hormone might Daren be lacking if he can continuously eat without ever feeling full
leptin