Perseveration in aphasia as demonstrated by LERA?
D000328:Adult; D001037:Aphasia / Q000503:physiopathology*; D001299:Audiometry / Q000379:methods*; D005071:Evoked Potentials; D006801:Humans; D007802:Language; D008297:Male; D010812:Physical Stimulation; D014785:Vision, Ocular