LU Ting,ZHAO Xia,ZHU Ning.Cortical Evoked Potential Test for the Evaluation of the Rehabilitation Effect of Dual-Mode Hearing Intervention[J].Chinese Scientific Journal of Hearing and Speech Rehabilitation,2025,23(04):409-412.
LU Ting,ZHAO Xia,ZHU Ning.Cortical Evoked Potential Test for the Evaluation of the Rehabilitation Effect of Dual-Mode Hearing Intervention[J].Chinese Scientific Journal of Hearing and Speech Rehabilitation,2025,23(04):409-412.DOI: 10.3969/j.issn.1672-4933.2025.04.012.
Cortical Evoked Potential Test for the Evaluation of the Rehabilitation Effect of Dual-Mode Hearing Intervention
To investigate the developmental patterns of aided hearing thresholds and cortical auditory evoked potential (CAEP)P1 latency and amplitude in children with hearing impairment following a cochlear implant surgery under bimodal auditory intervention
and to evaluate the auditory effects and development of the central auditory cortex plasticity after cochlear implant surgery with bimodal auditory intervention.
Methods
2
29 children with hearing impairment with bimodal auditory intervention were selected as study subjects.Aided hearing threshold assessments were conducted in a sound field
and CAEP tests were performed using tone burst stimuli at 500Hz
1000Hz
2000Hz
and 4000Hz. The P1 latency and amplitude under the two auditory intervention methods were compared
and groups were formed based on age and hearing aid compensation effects to compare the CAEP P1 latency and amplitude under bimodal auditory intervention.
Results
2
The bimodal intervention group after cochlear implantation had shorter CAEP P1 latency and higher amplitude compared to the unilateral cochlear implant group (
P
<
0.05). There was no statistical difference in CAEP P1 latency and amplitude between the group older than 72 months and the group younger than 72 months (
P
>
0.05).Those with noticeabe hearing compensation effects had shorter CAEP P1 latency and higher amplitude compared to those with poor hearing compensation effects with no statistical difference (
P
>
0.05).
Conclusion
2
Bimodal auditory intervention can effectively improve the auditory ability of children with hearing impairment
promote the cross-modal reorganization in the central auditory cortex of the brain
and enhance the maturation of the auditory cortex.
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