Temporal and Fronto-Central Auditory Evoked Responses in Children with Neurodevelopmental Disorders: A Scoping Review
2024

Auditory Responses in Children with Neurodevelopmental Disorders

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ahmadi Zohreh, Duquette-Laplante Fauve, Kousaie Shanna, Rich Zendel Benjamin, Koravand Amineh

Primary Institution: University of Ottawa

Hypothesis

This review aimed to investigate and compare fronto-central and T-complex responses in populations at risk of auditory dysfunction, such as individuals with neurodevelopmental disorders.

Conclusion

The T-complex can index auditory processing impairments at the cortical level in various neurodevelopmental disorders, even when there is a normal pattern of the fronto-central response.

Supporting Evidence

  • Children with neurodevelopmental disorders showed abnormal T-complex responses.
  • Normal fronto-central responses were observed despite abnormal T-complex responses in some studies.
  • The T-complex may be a more sensitive measure of auditory processing than fronto-central responses.
  • Different neurodevelopmental disorders exhibited distinct patterns in T-complex components.
  • Auditory processing difficulties in children with dyslexia were linked to T-complex abnormalities.
  • Children with ADHD also showed atypical T-complex patterns.
  • Findings suggest that T-complex responses can help identify auditory processing issues in various disorders.
  • Further research is needed to explore the T-complex in populations with auditory processing disorder.

Takeaway

This study looked at how children with learning difficulties hear sounds. It found that some brain responses to sounds are different in these children, which can help us understand their listening problems better.

Methodology

A scoping review was conducted, including ten studies that measured T-complex and fronto-central responses in children with neurodevelopmental disorders.

Potential Biases

Potential bias due to the exclusion of non-English studies and reliance on published literature.

Limitations

Not all studies reported on all components of the T-complex, and fewer than half compared both fronto-central and temporal responses.

Participant Demographics

The studies included children with various neurodevelopmental disorders, with ages ranging from 4 to 16 years.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/neurosci5040048

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