Table 1.

Key Terms and Definitions

Term	Definition
Appetite-related
Hunger	Those internal cues and signals which bring about the initiation of eating
Satiation	Those internal cues and signals which bring about the cessation of eating
Satiety	Those internal cues and signals which prevent eating after the termination of a meal, until hunger returns
Appetitive Drive	Those internal cues and signals which collectively bring about hunger, satiation and satiety
Appetitive traits	Individual eating behaviors which may measure one of more of hunger, satiation and satiety
Appetite	A term collectively encompassing the tendency to eat when hungry (or not), stop eating when full (or not), and the extent to which eating during satiation occurs
Specific Eating Behaviors
Enjoyment of Food	Responsivity to food as an external stimulus
Compensation	The ability to adjust eating behaviors in response to earlier energy intake and maintain energy balance
Eating in the absence of hunger (EAH)	Eating when having recently reported satiation
Eating rate	How quickly food is consumed, measured via metrics such as bites per second and the change in bites per second across a meal
Emotional over- and under-eating	Altering food intake in response to internal emotion cues
Food fussiness	Rejection of a wide number of foods
Food responsiveness	Eating in response to the presence of food, rather than internal signals of hunger
Satiety responsiveness	The extent to which appetizing snack foods are resisted in the period between satiation and hunger.
Slowness in eating	A reduction is eating speed across mealtimes
Delay of gratification (DOG)	The tendency to choose a larger, delayed reward over a small immediate reward
External Eating	Eating in response to the sight of smell of food (also called ‘food responsiveness’)