What is arousal?

  • (noun): Awakening from sleep.
    See also — Additional definitions below


Arousal is a physiological and psychological state of being awake or reactive to stimuli. It involves the activation of the reticular activating system in the brain stem, the autonomic nervous system and the endocrine system, leading to increased heart rate and blood pressure and a condition of sensory alertness, mobility and readiness to respond.

Read more about Arousal.

Some articles on arousal:

Abnormally Increased Behavioral Arousal
... Anatomically this is a disorder of the limbic system, hypothalamus, temporal lobes, amygdala and frontal lobes ... It is not to be confused with mania ...
Low Arousal Approach - Arousal Curve and Information Processing
... The majority of individuals spend time in a state of arousal equilibrium ... In the case of people with an ASD, two distinct arousal groupings have an effect on behaviour ... experience either constant or intermittent states of hyper-arousal ...
Low Arousal
... Low arousal most likely refers to when a person is in a state of low arousal ... It can also refer to Low arousal approach, deals with how staff handles patients who are sexually aroused Low arousal theory, explains that individuals who have antisocial personality disorder or ADHD ...
Low Arousal Approach - Evidence - Hyper- or Hypo-arousal?
... Hyper-arousal is not universally accepted by all researchers ... difficulties in autism concluded that the experimental evidence or hyper-arousal was at best mixed ... condition and the assumption that hyper-arousal should be a general explanatory theory of autism was too broad ...
Bruce Conforth - Altered States of Consciousness Research
... Harrah-Conforth suggests that sound and light devices may cause simultaneous ergotropic arousal, or arousal of the sympathetic nervous system and the cerebral cortex, associated with 'creative ... Harrah-Conforth concludes, 'these two states may be interpreted as hyper- and hypo- arousal, or ecstasy and samadhi.'" ...

More definitions of "arousal":

  • (noun): Mutual sexual stimulation prior to sexual intercourse.
    Synonyms: foreplay, stimulation
  • (noun): A state of heightened physiological activity.
  • (noun): The act of arousing.
    Example: "The purpose of art is the arousal of emotions"
    Synonyms: rousing