Heightened cognitive arousal at bedtime is linked to objective sleep disturbances and indicators of psychological hyperarousal at night and during the day. Higher levels of nocturnal cognitive arousal ...

This theory suggests emotions involve physical arousal and cognitive appraisal ...

Sexual arousal can lead to "tunnel vision" that makes it more difficult to recognize when someone is just not that into you, according to new research in Personality and Social Psychology Bulletin.

What Is the Yerkes-Dodson Law? The Yerkes-Dodson Law, first described in 1908, suggests that our performance improves with physiological or mental arousal—but only up to a point. Picture a bell curve: ...

A small cluster of cells deep within our brains, called the locus coeruleus, affects how awake and attentive we are, how we respond to stress, how we cope with anxiety and fear, and how we create ...

New research has revealed that sexual arousal leads to an immediate preference in short-term mating in men over more long-term committed relationships, such as marriage. Short-term mating preferences ...

A series of three papers from neuroscientist David J. Anderson's laboratory, two in the journal Nature and one in the journal Cell, reveal new insights into the neural signals underlying internal ...

The autonomic nervous system (ANS) has two branches. The parasympathetic nervous system (PNS) branch slows the body down. PNS dominance elicits a relaxation response, whereas activating the ...