ANALYSIS OF THE CORRELATION BETWEEN EYES AND BRAIN ACTIVITIES IN RESPONSE TO MOVING VISUAL STIMULI

Ramesh Ramamoorthy, Avinash Menon, Karthikeyan Rajagopal, Robert Frischer and Hamidreza Namazi
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Ramesh Ramamoorthy: Centre for Artificial Intelligence, Chennai Institute of Technology, Chennai, India
Avinash Menon: ��School of Engineering, Monash University, Subang Jaya, Selangor, Malaysia
Karthikeyan Rajagopal: ��Centre for Nonlinear Systems, Chennai Institute of Technology, Chennai, India
Robert Frischer: �Institute of Technology and Business in České Budějovice, České Budějovice, Czechia
Hamidreza Namazi: ��School of Engineering, Monash University, Subang Jaya, Selangor, Malaysia§Institute of Technology and Business in České Budějovice, České Budějovice, Czechia

FRACTALS (fractals), 2021, vol. 29, issue 08, 1-11

Abstract: This paper analyzed the coupling among the reactions of eyes and brain in response to visual stimuli. Since eye movements and electroencephalography (EEG) signals as the features of eye and brain activities have complex patterns, we utilized fractal theory and sample entropy to decode the correlation between them. In the experiment, subjects looked at a dot that moved on different random paths (dynamic visual stimuli) on the screen of a computer in front of them while we recorded their EEG signals and eye movements simultaneously. The results indicated that the changes in the complexity of eye movements and EEG signals are coupled (r = −0.8043 in case of fractal dimension and r = −0.9259 in case of sample entropy), which reflects the coupling between the brain and eye activities. This analysis could be extended to evaluate the correlation between the activities of other organs versus the brain.

Keywords: Eye; Brain; Visual Stimuli; Complexity; Fractal Theory; Sample Entropy; Eye Movements; Electroencephalography (EEG) Signals (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218348X21502741

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