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Exploring in Silence: Hearing and Deaf Infants Explore Objects Differently before Cochlear Implantation.

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  • 1Department of Communication Sciences and Disorders, Chapman University.

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Deaf infants explore objects differently than hearing infants before cochlear implants. Cochlear implants improve exploration, highlighting the active role of sensory feedback in infant learning and development.

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Area of Science:

  • Developmental Psychology
  • Auditory Neuroscience
  • Infant Behavior

Background:

  • Infant behavior shapes sensory learning opportunities.
  • Limited research exists on infants with sensory differences.
  • Understanding early exploration is crucial for development.

Purpose of the Study:

  • Compare object exploration in hearing and deaf infants.
  • Assess the impact of profound hearing loss on exploration.
  • Evaluate the effects of cochlear implants on auditory feedback and exploration.

Main Methods:

  • Compared object exploration behaviors of 9-month-old hearing and deaf infants.
  • Observed infants with and without cochlear implants.
  • Analyzed exploration approaches and variation.

Main Results:

  • Deaf infants explored objects as frequently as hearing infants.
  • Deaf infants exhibited different exploration strategies pre-implantation.
  • Exploration variation increased after cochlear implantation.

Conclusions:

  • Early sensorimotor experiences influence infant learning.
  • Auditory feedback is vital for diverse exploration.
  • Future research should explore sensorimotor differences in learning and memory development.