arousal

1. a state of physiological activation or cortical responsiveness, associated with sensory stimulation and activation of fibers from the reticular activating system.

2. a state of excitement or energy expenditure linked to an emotion. Usually, arousal is closely related to a person’s appraisal of the significance of an event or to the physical intensity of a stimulus. Arousal can either facilitate or debilitate performance. See also catastrophe theory. —arouse vb.

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Psychology term of the day

January 19th 2025

novelty seeking

1. a personality trait characterized by a strong interest in having new experiences; it is often associated with risk-taking behavior, and hence the term may be used synonymously with sensation seeking. It is also increasingly the preferred term for neophilia.

2. see Cloninger’s psychobiological model of personality; Temperament and Character Inventory.