N1 peak amplitude

1. Repeated speech stimulation decreases N1 peak amplitude in humans.

   “Repetition-related reductions in N1 amplitude were observed in both groups, indicating preserved adaptation.”

   HumansClinically normal hearing; early versus late speech stimulus trials

   Aging Reduces Attentional Modulation of Speech-Evoked Cortical Responses While Preserving Adaptation

   Experimental aging research·8 May 2026

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