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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Otorinolaringologia. 2015 Dec;65(4):103–114.

Figure 1.

Figure 1

Four patterns of central auditory system maturation using the P1 cortical auditory evoked potential (CAEP) biomarker. CAEP response for a typically developing central auditory pathways, marked by a P1 response falling within normal limits for the child’s age (A); CAEP response for an un-stimulated central auditory system marked by a deprivation negativity and delayed P1 response (B); CAEP response for a child with a partially stimulated central auditory system (C); CAEP response for a child with abnormal development of the central auditory system, marked by polyphasic morphology (D). Adapted with permission from Sharma, Nash, & Dorman (2009). Cortical development, plasticity, and re-organization in children with cochlear implants. Journal of Communication Disorders, 42(4), 272-9.