autonomic hyperactivity

arousal of the autonomic nervous system, particularly its sympathetic nervous system functions, resulting in the physiological symptoms associated with anxiety and fear (e.g., sweating, palpitations, dry mouth, lightheadedness, upset stomach).

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Psychology term of the day

November 23rd 2024

opinion leader

an individual to whom others turn for advice or on whom others model their behavior. To be effective, the opinion leader needs to have social ties with other members of the group.