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A Randomized Trial Utilizing EEG Brain Computer Interface to Improve Facial Emotion Recognition in Autistic Adults

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Journal of Autism and Developmental Disorders Aims and scope Submit manuscript

Abstract

Purpose

Many individuals with autism spectrum disorder (ASD) experience challenges with facial emotion recognition (FER), which may exacerbate social difficulties in ASD. Few studies have examined whether FER can be experimentally manipulated and improved for autistic people. This study utilized a randomized controlled trial design to examine acceptability and preliminary clinical impact of a novel mixed reality-based neurofeedback program, FER Assistant, using EEG brain computer interface (BCI)-assisted technology to improve FER for autistic adolescents and adults.

Methods

Twenty-seven autistic male participants (M age: 21.12 years; M IQ: 105.78; 85% white) were randomized to the active condition to receive FER Assistant (n = 17) or waitlist control (n = 10). FER Assistant participants received ten sessions utilizing BCI-assisted neurofeedback training in FER. All participants, regardless of randomization, completed a computerized FER task at baseline and endpoint.

Results

Results partially indicated that FER Assistant was acceptable to participants. Regression analyses demonstrated that participation in FER Assistant led to group differences in FER at endpoint, compared to a waitlist control. However, analyses examining reliable change in FER indicated no reliable improvement or decline for FER Assistant participants, whereas two waitlist participants demonstrated reliable decline.

Conclusion

Given the preliminary nature of this work, results collectively suggest that FER Assistant may be an acceptable intervention. Results also suggest that FER may be a potential mechanism that is amenable to intervention for autistic individuals, although additional trials using larger sample sizes are warranted.

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References

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Funding

This work was supported by the National Institute of Mental Health, R33MH100268-03 [PI: Richey; White]. Author L. Antezana was also funded by the National Institute of Mental Health, T32MH018951, at the time of submission.

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Authors and Affiliations

Authors

Contributions

Conceptualization: S. White, J. Richey, and D. Gracanin; Methodology: J. Richey, I. Kim, and D. Gracanin; Funding Acquisition: S. White and J. Richey; Formal Analysis: A. Brewe; Investigation: L. Antezana, C. Carlton, J. Richey, D. Gracanin, and S. White; Writing – Original Draft Preparation: A. Brewe, L. Antezana, J. Richey, D. Gracanin, and S. White; Writing – Review & Editing: A. Brewe, L. Antezana, C. Carlton, J. Richey, D. Gracanin, I. Kim, and S. White.

Corresponding author

Correspondence to Alexis M. Brewe.

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Conflict of Interest

The authors declare that there were no conflicts of interest with respect to the authorship or the publication of this article.

Clinical Trial Registration Information

This clinical trial was registered with clinicaltrials.gov (registration number: NCT03376373).

Human and Animal Rights and Informed Consent

All study procedures were approved by the institutional review board for human subject research. All participants provided informed consent.

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Brewe, A.M., Antezana, L., Carlton, C.N. et al. A Randomized Trial Utilizing EEG Brain Computer Interface to Improve Facial Emotion Recognition in Autistic Adults. J Autism Dev Disord (2024). https://doi.org/10.1007/s10803-024-06436-w

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  • DOI: https://doi.org/10.1007/s10803-024-06436-w

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