title: Auditory P3 correlates of phonemic and semantic processing.
abstract: Auditory evoked potentials were recorded in twelve healthy subjects using phonemic and semantic word tasks. The late positive component (P3), analogous to tonal P300, varied as a function of cognitive task with increased latency and amplitude associated with semantic processing. These data are consistent with levels of processing theories in which semantic analysis is associated with a greater elaboration of stimulus evaluation.
mesh_terms: D000328:Adult; D005072:Evoked Potentials, Auditory; D005260:Female; D006801:Humans; D007807:Language Tests; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D008875:Middle Aged; D012660:Semantics