Motivation in human appetite

Question 1

Stellar (1954)

Answer 1

Early theory;
Lateral hypothalamus for hunger
Ventromedial hypothalamus for satiety
Now think different

Question 2

Pickens (2003)

Answer 2

Conditioned taste experiments

complimentary role for Basolateral hypothalamus and orbitofrontal cortex

Question 3

McClure (2004)

Answer 3

Emotional component important determining food preference

Question 4

Gill and Norgen (1978)

Answer 4

Taste reactivity paradigm- opiod NT mediates for food liking

Question 5

Yeomans and Gray (2002)

Answer 5

Naltrexone (opioid) antagonist decreases intake palatable food

Question 6

Rolls (2007)

Answer 6

fMRI- Conscious liking in OFC and cingulate cortex

Question 7

Volkow (1999)

Answer 7

Amount of dopamine associated with optimal reward differs between individuals
looks like inverted U

Question 8

Wang (2002)

Answer 8

Morbid obesity linked lower DA2 receptor

Question 9

Del Parigi (2007)

Answer 9

Successful dieters show increased Right PFC activation when approached with palatable food

Question 10

Berthoud and Morrison (2008)

Answer 10

Predisposition to obesity can come through pathological malfunction of highly complex system