The physical hyperactivity so often associated with attention deficit hyperactivity disorder (ADHD) — jumping on the couch, barreling across the playground, or talking without a pause for 10 minutes straight — is far from universal.
In fact, this external symptom occurs in only one quarter of children and 5 percent of adults with the condition. The vast majority of people with ADHD instead experience hyperactivity as an internal feeling of hyperarousal — they can’t turn off their whirring, overactive brains.
This symptom often manifests as extreme emotions, a condition known as emotional hyperarousal.People with emotional hyperarousal have passionate thoughts, reactions, and feelings that are more intense than those of the average person.
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