More than one definition exists, e.g.“consumption of highly palatable foods inresponse to emotional states”, “eating inresponse to negative emotions”.
Sometimes food is eaten outside of physical hunger e.g. for emotional reasons. Concern arises when this coping mechanism has asignificant impact on an individual.
Many mechanisms suggested in the context ofobesity: psychological (e.g. reward sensitivity,impulsiveness) and mental health patterns (e.g.coping with stress, trauma).