Novelty Seeking reflects a heritable bias in the initiation or activation of appetitive approach in response to novelty, approach to signals of reward, active avoidance of conditioned signals of punishment, and skilled escape from unconditioned punishment.

High Novelty Seeking: Impulsiveness, impulsive decision making, Impulsive sensation seeking, Extravagance, extravagance in approach to reward cues, quick loss of temper, avoidance of frustration, Exploratory excitability, Disorderliness. They are observed as exploratory activity in response to novelty, impulsiveness, extravagance in approach to cues of reward, and active avoidance of frustration. Individuals high in Novelty Seeking are quick-tempered, curious, easily bored, impulsive, extravagant, and disorderly.

Persons low in Novelty Seeking are slow tempered, uninquiring, stoical, reflective, frugal, reserved, tolerant of monotony, and orderly.
(Cloninger, 1994)