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Speech modifications algorithms used for training language learning-impaired children

S S Nagarajan1, X Wang, M M Merzenich

  • 1Keck Center for Integrative Neuroscience, University of California at San Francisco, USA.

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
|September 28, 1998
PubMed
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This study shows processed speech algorithms significantly improved speech recognition in children with language learning impairments (LLI). These gains generalized to normal speech, aiding language comprehension and temporal processing rehabilitation.

Area of Science:

  • Neuroscience
  • Speech-Language Pathology
  • Educational Psychology

Background:

  • Language learning impairments (LLI) affect children's ability to process auditory information.
  • Temporal processing deficits are often linked to difficulties in language comprehension.
  • Existing interventions may not fully address the underlying perceptual challenges in LLI.

Purpose of the Study:

  • To detail processing algorithms used in a novel training program for children with LLI.
  • To evaluate the impact of processed speech on speech recognition and language skills.
  • To investigate perceptual learning and generalization effects in this population.

Main Methods:

  • Development and application of specific speech processing algorithms.
  • Utilizing computer games, speech/language exercises, and multimedia for training.

Related Experiment Videos

  • Four-week intervention period with continuous assessment of speech recognition.

    • Main Results:

    • Children with LLI showed significant increases in recognizing both processed and normal speech.
    • Speech recognition abilities improved to near age-appropriate levels within four weeks.
    • Evidence of profound perceptual learning and widespread generalization to normal speech was observed.

    Conclusions:

    • Processed speech algorithms can induce significant perceptual learning in children with LLI.
    • This training approach facilitates generalization to normal speech, enhancing comprehension.
    • The intervention shows promise for rehabilitating temporal processing deficits and improving language skills.