simple absence

Medical Dictionary

simple absence sim·ple absence (sĭm'pəl)
n.
A brief loss or impairment of consciousness accompanied by the abrupt onset of spasms or twitchings of cephalic muscles that produce a 3 per second pattern of spikes and waves on an electroencephalogram. Also called pure absence.

The American Heritage® Stedman's Medical Dictionary
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WordNet
simple absence

noun
an absence seizure without other complications; followed by 3-per-sec brainwave spikes [syn: pure absence
WordNet® 3.0, © 2006 by Princeton University.
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