Electromagnetic responses of the human auditory cortex generated by sensory-memory based processing of tone-frequency changes

Event-related brain potentials (ERPs) and magnetoencephalographic (MEG) responses to infrequent (‘deviant’) tones occurring among frequent (‘standard’) tones of different pitch were compared with responses to rare tones presented alone. The subjects were to ignore the tones. Deviant tones elicited t...

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