1) Medical terminology 
Drop attacks are sudden spontaneous falls while standing or walking, followed by a very swift recovery, within seconds or minutes. This phenomena is usually caused by a temporary drop in blood supply to the anterior lobe of the cerebellum (anterior vermis). Similar to a `faint` episode without loss of consciousness. ==Causes== Drop attacks are t.....
sudden loss of balance without loss of consciousness, usually seen in elderly women.
Type: Term Definitions: 1. sudden fall without precipitant or associated symptoms or signs, generally in old people with normal electroencephalograms; of unknown cause; 2. atonic seizure.
Drop attack: See: Atonic seizure.