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Review
. 2023 Apr 20:123:110705.
doi: 10.1016/j.pnpbp.2022.110705. Epub 2022 Dec 24.

Machine learning approaches for electroencephalography and magnetoencephalography analyses in autism spectrum disorder: A systematic review

Sushmit Das  1 , Reza Zomorrodi  2 , Mina Mirjalili  3 , Melissa Kirkovski  4 , Daniel M Blumberger  5 , Tarek K Rajji  5 , Pushpal Desarkar  6
Affiliations
Review

Machine learning approaches for electroencephalography and magnetoencephalography analyses in autism spectrum disorder: A systematic review

Sushmit Das et al. Prog Neuropsychopharmacol Biol Psychiatry. .

Abstract

There are growing application of machine learning models to study the intricacies of non-linear and non-stationary characteristics of electroencephalography (EEG) and magnetoencephalography (MEG) data in neurobiologically complex and heterogeneous conditions such as autism spectrum disorder (ASD). Such tools have potential diagnostic applications, and given the highly heterogeneous presentation of ASD, might prove fruitful in early detection and therefore could facilitate very early intervention. We conducted a systematic review (PROSPERO ID#CRD42021257438) by searching PubMed, EMBASE, and PsychINFO for machine learning approaches for EEG and MEG analyses in ASD. Thirty-nine studies were identified, of which the majority (18) used support vector machines for classification; other successful methods included deep learning. Thirty-seven studies were found to employ EEG and two were found to employ MEG. This systematic review indicate that machine learning methods can be used to classify ASD, predict ASD diagnosis in high-risk infants as early as 3 months of age, predict ASD symptom severity, and classify states of cognition in ASD with high accuracy. Replication studies testing validity, reproducibility and generalizability in tandem with randomized controlled trials in ASD populations will likely benefit the field.

Keywords: Autism; Electroencephalography; Machine learning; Magnetoencephalography; Neurophysiology; Review; Support vector machines; Systematic.

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Conflict of interest statement

Declaration of Competing Interest No author has any conflict of interest to declare for this manuscript.

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