ANALYZING THE RELATIONSHIP BETWEEN BRAIN AND HEART ACTIVITY ACROSS VARIOUS COLLABORATIVE TASKS

Ondrej Krejcar, Petra Maresova, Jamaluddin Abdullah and Hamidreza Namazi
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Ondrej Krejcar: Skoda Auto University, Na Karmeli 1457, 293 01 Mlada Boleslav, Czech Republic†Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia Kuala Lumpur, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
Petra Maresova: ��Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czechia
Jamaluddin Abdullah: �School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
Hamidreza Namazi: Skoda Auto University, Na Karmeli 1457, 293 01 Mlada Boleslav, Czech Republic§School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

FRACTALS (fractals), 2025, vol. 33, issue 01, 1-7

Abstract: Understanding the correlation between the brain’s activity and the physiological responses of other organs under varying conditions is a crucial area of research that holds significant potential for advancing our knowledge of human physiology. In this study, we focused on investigating the interaction between the heart and brain by employing advanced complexity analysis techniques, specifically examining the fractal dimension and approximate entropy of electroencephalogram (EEG) and R-R interval time series. The analysis was conducted on data collected from 12 subjects who were observed under three distinct conditions: baseline (normal resting state) and two collaborative activities performed both with and without the presence of noise. Our findings revealed that the complexity patterns of EEG and R-R signals showed similar trends in alterations across all conditions, suggesting a strong coupling between the brain’s and heart’s responses. This observed coupling highlights the potential for a coordinated physiological interaction between these two critical systems. Furthermore, our approach, which successfully decoded the heart–brain correlation, offers a promising framework for extending this analysis to explore correlations between the brain and other organs, thereby contributing to a deeper understanding of the complex networks that underlie human health and adaptive physiological responses.

Keywords: Brain; Heart; Correlation; Complexity; Fractal Dimension; Approximate Entropy (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S0218348X25500112

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