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Related Experiment Videos

Auditory processing following infantile spasms: An event-related potential study.

Tangunu Fosi1,2,3, Klaus Werner1,3, Stewart G Boyd2,3

  • 1Young Epilepsy, Surrey, United Kingdom.

Epilepsia
|April 13, 2017
PubMed
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Infantile spasms (IS) impair auditory processing and language development in infants, even after remission. Early intervention may mitigate, but not reverse, these long-term effects on brain connectivity.

Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Auditory Neuroscience

Background:

  • Infantile spasms (IS), a severe epilepsy syndrome, can impact neurodevelopment.
  • Auditory processing is crucial for language acquisition in infants.
  • The long-term effects of IS on auditory processing remain poorly understood.

Purpose of the Study:

  • To investigate acoustic auditory processing in infants with recent infantile spasms (IS).
  • To assess the impact of IS on event-related potentials (ERPs) and cognitive development.
  • To explore the relationship between IS duration and auditory processing deficits.

Main Methods:

  • Compared event-related potentials (ERPs) and Bayley Scales of Infant Development (BSID-II) in 22 infants with recent IS (uWS) and 22 healthy controls.
Keywords:
Auditory event-related potentialInfantile spasmsN100Novelty P300West syndrome

Related Experiment Videos

  • Auditory stimuli included repeated pure tones and environmental broadband sounds.
  • Assessments were conducted one month after IS remission.

    • Main Results:

    • Patients with IS exhibited reduced N100 suppression and prolonged latencies to pure tones.
    • Novelty P300 amplitude was significantly reduced in IS patients.
    • Delayed P300 peak latency to broadband sounds correlated with IS duration, and BSID-II scores were lower in patients.

    Conclusions:

    • Infantile spasms lead to significant deficits in complex acoustic information processing.
    • These auditory processing impairments may negatively affect language development.
    • Altered cortical connectivity in auditory processing areas is the likely mechanism, with treatment potentially limiting severity.