Key Terms Flashcards
Food Preference
The desire for certain foods that stem from the preferences of our ancestral animals. The preference for high-energy foods increases survival and reproductive chances.
Neophobia
The innate predisposition to avoid trying out new things and disappears once we learn that they are safe. It is an adaptive behaviour.
Taste Aversion
The innate predisposition to avoid potentially toxic foods, usually signalled by a bitter taste.
Social Influences
Behaviours developed, through modelling and imitation, from social factors I.e. Family, social media, Advertisement
Cultural Influences
‘Culture’ refers to the ideals, customs and social behaviours of a particular group of people or society
Hypothalamus
A small subcortical brain structure composed of 2 centres; the Lateral Hypothalamus (LH) and the Ventro-Medial Hypothalamus (VMH)
Ghrelin
A hormone secreted from the cells in the stomach wall, acting as a powerful appetite stimulant
Leptin
A hormone produced by Adipose (fat) cells that act as a powerful appetite suppressant
Biological Prepardness
The idea that we learn certain things more quickly than others, if they decrease chances of survival or reproduction
Adaptive Behaviour
Behaviour that increases the chences of survival and reproduction
Gentic Vulnerability
The innate predisposition that increases the risk for a disorder or condition
The Arcuate Nucleus
Detects Ghrelin levels and stimulates the LH to produce Neuropeptide Y
Neuropeptide Y
A powerful stimulant of hunger (neurotransmitter), associated with hunger and reduction in physical activity. It is secreted from the LH when Ghrelin levels are high.
CGAS
Candidate Gene Association Study
Family Systems Theory
A psychodynamic explanation that views dysfunctional family interactions as a major factor in the development and maintenance of anorexia nervosa (AN)