Tensor factorization approach for ERP-based assessment of schizotypy in a novel auditory oddball task on perceived family stress

Journal article


Zandbagleh, A, Mirzakuchaki, S., Daliri, M.R., Premkumar, P., Carretié, L. and Saeid Sanei, S. (2022). Tensor factorization approach for ERP-based assessment of schizotypy in a novel auditory oddball task on perceived family stress. Journal of Neural Engineering. https://doi.org/10.1088/1741-2552/aca69f
AuthorsZandbagleh, A, Mirzakuchaki, S., Daliri, M.R., Premkumar, P., Carretié, L. and Saeid Sanei, S.
Abstract

Objective. Schizotypy, a potential phenotype for schizophrenia, is a personality trait that depicts psychosis-like signs in the normal range of psychosis continuum. Family communication may affect the social functioning of people with schizotypy. Greater family stress, such as irritability, criticism and less praise, is perceived at a higher level of schizotypy. This study aims to determine the differences between people with high and low levels of schizotypy using electroencephalography (EEG) during criticism, praise and neutral comments. EEGs were recorded from twenty-nine participants in the general community who varied from low schizotypy (LS) to high schizotypy (HS) during a novel emotional auditory oddball task. Approach. We consider the difference in event-related potential (ERP) parameters, namely the amplitude and latency of P300 subcomponents (P3a and P3b), between pairs of target words (standard, positive, negative and neutral). A model based on tensor factorization is then proposed to detect these components from the EEG using the CANDECOMP/PARAFAC (CP) decomposition technique. Finally, we employ the mutual information estimation method to select influential features for classification. Main results. The highest classification accuracy, sensitivity, and specificity of 93.1%, 94.73%, and 90% are obtained via leave-one-out cross validation. Significance. This is the first attempt to investigate the identification of individuals with psychometrically-defined HS from brain responses that are specifically associated with perceiving family stress and schizotypy. By measuring these brain responses to social stress, we achieve the goal of improving the accuracy in detection of early episodes of psychosis.

KeywordsEEG, electroencephalography, event-related potentials, P300 subcomponents, schizotypal personality disorder, schizotypy, tensor decomposition
Year2022
JournalJournal of Neural Engineering
PublisherIOP Publishing
ISSN1741-2552
Digital Object Identifier (DOI)https://doi.org/10.1088/1741-2552/aca69f
Web address (URL)https://iopscience.iop.org/article/10.1088/1741-2552/aca69f
Publication dates
Print28 Nov 2022
Publication process dates
Accepted28 Nov 2022
Deposited29 Nov 2022
Accepted author manuscript
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Open
Additional information

This is the Accepted Manuscript version of an article accepted for publication in Journal of Neural Engineering. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://iopscience.iop.org/article/10.1088/1741-2552/aca69f.

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