ESS - TF - Terapia da Fala
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- Mismatch Negativity and the N2B Component Elicited By Pure Tones and Speech Sounds in Anomic Aphasia: a Case StudyPublication . Tomé, David; Patrício, Brígida; Manchaiah, Vinaya; Barbosa, Fernando; Teixeira, João MarquesThe auditory processing impairments frequently observed in aphasia are being slowly clarified by using eventrelated potentials (ERPs), a method that allows brain processes to be observed at high temporal resolution. Mismatch negativity (MMN) and the N2b amplitude reflect aspects of echoic memory, attention, and phonological representation. This study evaluates the auditory processing of speech and pure tones in an anomic aphasia subject 6 years after a stroke, and investigates whether ERPs can detect possible neurophysiologic sequelae after recovery and rehabilitation.