Ambient lighting alters motivational responses to advertisements for foods of different energetic value

Ambient lighting has been identified as a motivationally relevant context that affects cognition, emotion, and behavior, including food consumption and choice. This study adds to this body of work utilizing optimal foraging theory, which predicts individuals will prefer foods that deliver the most energy while costing the least energy to obtain. The environmental contexts in which one will have to forage alter perceived energy expenditure. An...