An<unk>  is a "complex reaction pattern, involving experiential, behavioral, and physiological elements, by which the individual attempts to deal with a personally significant matter of event." It arises without conscious effort and is either positive or negative in its valence.
Other closely related terms are:
affect, a synonym for<unk> 
affect display, external display of<unk> 
disposition, referring to a durable differentiating characteristic of a person, a tendency to react to situations with a certain<unk> 
feeling, which usually refers to the subjective, phenomenological aspect of<unk> 
mood, which refers to an<unk> al state of duration intermediate between an<unk>  and a disposition
Emotion
Psychodynamics
Face perception
Action potential
Haptic perception
Face
Perception
Visual perception