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Maturation Of Speech Discrimination And Attentional Requirements In Late Childhood, Judith Ann Iannotta
Maturation Of Speech Discrimination And Attentional Requirements In Late Childhood, Judith Ann Iannotta
Dissertations, Theses, and Capstone Projects
The ability to perceive speech sounds and contrasts continues to be refined throughout the course of development. While emerging models suggest that development is characterized by shifts from an attentionally demanding mode of processing speech sounds to one that occurs relatively automatically, the specific developmental time-course of these changes remains unclear. The present work reports the findings of two experiments that aimed to provide insights into the time-course by which neural processes underlying speech discrimination in children and adolescents becomes automatic. The experiments used event-related potentials (ERP) measures, with a particular focus on mismatch negativity (MMN) - a developmentally-sensitive index …