Winter Exam 2 Flashcards
chap 11 & 12
____ concerns the physiological and psychological processes underlying the initiation of behaviours
motivation
____ refers to the body’s physiological processes that allow it to maintain consistent internal states in response to the outer environment
homeostasis
_____ is the process whereby motivation is not only influenced by current needs, but also by the anticipation of future needs caused by stress
allostasis
what two features make-up motivation
drive and incentive
what are drives
biological triggers that cause you to seek out something
(i.e. being thirsty -> getting water)
what are incentives
the stimuli you seek to reduce the drives
what is homeostasis
the process of maintaining an internal state that is relatively stable
what part of the brain signals when it is time to eat
the lateral region of the hypothalamus
what parts (2) of the brain signals when to stop eating
the ventromedial and paraventricular regions of the hypothalamus
which region of the brain is involved in emotional processing
the cingulate cortex
what part of the brain is responsible for linking food taste and texture with reward
The orbitofrontal cortex
what part of the brain is activated when fat receptors in the tongue are stimulated
the cingulate cortex
what does the orbitofrontal cortex do?
link food with reward
true or false: activity in the oribitofrontal cortex decreases when you no longer feel like eating
true
true or false: motivation to eat does not impact activity in the basal ganglia
false
what is unit bias
the tendency to assume that the unit of sale or portioning is an appropriate amount to consume
what are the three social factors to eating
- social facilitation
- impression management
- modelling
social facilitation causes you to eat ____ (more/less). why?
more. the longer you sit at a table + are encouraged to get more
impression management causes you to eat ___ (more/less). why?
less. some cultures view eating a lot as rude, thus people will eat less to create a certain social image
“a disorder of positive energy balance, in which energy
intake exceeds energy expenditure”
obesity
what is the average duration of anorexia?
1.7 years
what is the average duration of bulimia?
8 years
what is the percentage of people with anorexia receiving treatment?
34%
what is the percentage of people with bulimia receiving treatment?
43%