DSM-IV

Also called blacking out

These episodes occur primarily in southern United States and Caribbean groups. They are characterized by a sudden collapse, which sometimes occurs without warning but sometimes is preceded by feelings of dizziness or "swimming" in the head. The individual's eyes are usually open but the person claims an inability to see. The person usually hears and understands what is occurring around him or her but feels powerless to move. This may correspond to a diagnosis of Conversion Disorder or a Dissociative Disorder.

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