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Article

A Machine-Learning-Based Analysis of Resting State Electroencephalogram Signals to Identify Latent Schizotypal and Bipolar Development in Healthy University Students

1
Department of Medical Genetics, Doctoral School of Interdisciplinary Medicine, University of Szeged, 6720 Szeged, Hungary
2
Department of Software Engineering, University of Szeged, 6720 Szeged, Hungary
3
Department of Computer Algorithms and Artificial Intelligence, University of Szeged, Árpád Square 2, 6720 Szeged, Hungary
4
HUN-REN-SZTE Research Group on Artificial Intelligence, Institute of Informatics, University of Szeged, Tisza Lajos Boulevard 103, 6725 Szeged, Hungary
5
HUN-REN Institute for Computer Science and Control (SZTAKI), Center of Excellence in Production Informatics and Control, Centre of Excellence of the Hungarian Academy of Sciences (MTA), Kende Street 13-17, H-1111 Budapest, Hungary
6
Faculty of Economics and Business, John von Neumann University, Izsák Street 10, 6400 Kecskemét, Hungary
7
Department of Psychiatry, Kiskunhalas Semmelweis Hospital, Dr. Monszpart László Street 1, 6400 Kiskunhalas, Hungary
8
Department of Clinical- and Health Psychology, Institute of Psychology, University of Szeged, Egyetem Street 2, 6720 Szeged, Hungary
9
Centre of Excellence for Interdisciplinary Research, Development and Innovation, University of Szeged, Dugonics Square 13, 6720 Szeged, Hungary
*
Author to whom correspondence should be addressed.
Diagnostics 2025, 15(4), 454; https://doi.org/10.3390/diagnostics15040454
Submission received: 26 December 2024 / Revised: 2 February 2025 / Accepted: 7 February 2025 / Published: 13 February 2025
(This article belongs to the Special Issue A New Era in Diagnosis: From Biomarkers to Artificial Intelligence)

Abstract

Background: Early and accurate diagnosis is crucial for effective prevention and treatment of severe mental illnesses, such as schizophrenia and bipolar disorder. However, identifying these conditions in their early stages remains a significant challenge. Our goal was to develop a method capable of detecting latent disease liability in healthy volunteers. Methods: Using questionnaires examining affective temperament and schizotypal traits among voluntary, healthy university students (N = 710), we created three groups. These were a group characterized by an emphasis on positive schizotypal traits (N = 20), a group showing cyclothymic temperament traits (N = 17), and a control group showing no susceptibility in either direction (N = 21). We performed a resting-state EEG examination as part of a complex psychological, electrophysiological, psychophysiological, and laboratory battery, and we developed feature-selection machine-learning methods to differentiate the low-risk groups. Results: Both low-risk groups could be reliably (with 90% accuracy) separated from the control group. Conclusions: Models applied to the data allowed us to differentiate between healthy university students with latent schizotypal or bipolar tendencies. Our research may improve the sensitivity and specificity of risk-state identification, leading to more effective and safer secondary prevention strategies for individuals in the prodromal phases of these disorders.
Keywords: psychology; signal processing; analysis; bipolar depression; schizophrenia; early detection psychology; signal processing; analysis; bipolar depression; schizophrenia; early detection

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MDPI and ACS Style

Gubics, F.; Nagy, Á.; Dombi, J.; Pálfi, A.; Szabó, Z.; Viharos, Z.J.; Hoang, A.T.; Bilicki, V.; Szendi, I. A Machine-Learning-Based Analysis of Resting State Electroencephalogram Signals to Identify Latent Schizotypal and Bipolar Development in Healthy University Students. Diagnostics 2025, 15, 454. https://doi.org/10.3390/diagnostics15040454

AMA Style

Gubics F, Nagy Á, Dombi J, Pálfi A, Szabó Z, Viharos ZJ, Hoang AT, Bilicki V, Szendi I. A Machine-Learning-Based Analysis of Resting State Electroencephalogram Signals to Identify Latent Schizotypal and Bipolar Development in Healthy University Students. Diagnostics. 2025; 15(4):454. https://doi.org/10.3390/diagnostics15040454

Chicago/Turabian Style

Gubics, Flórián, Ádám Nagy, József Dombi, Antónia Pálfi, Zoltán Szabó, Zsolt János Viharos, Anh Tuan Hoang, Vilmos Bilicki, and István Szendi. 2025. "A Machine-Learning-Based Analysis of Resting State Electroencephalogram Signals to Identify Latent Schizotypal and Bipolar Development in Healthy University Students" Diagnostics 15, no. 4: 454. https://doi.org/10.3390/diagnostics15040454

APA Style

Gubics, F., Nagy, Á., Dombi, J., Pálfi, A., Szabó, Z., Viharos, Z. J., Hoang, A. T., Bilicki, V., & Szendi, I. (2025). A Machine-Learning-Based Analysis of Resting State Electroencephalogram Signals to Identify Latent Schizotypal and Bipolar Development in Healthy University Students. Diagnostics, 15(4), 454. https://doi.org/10.3390/diagnostics15040454

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