Visual Perception from Object Scanning as Revealed by Electrooculography

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Author(s): Anwesha Banerjee (Jadavpur University, India), Ankita Mazumder (Jadavpur University, India), Poulami Ghosh (Jadavpur University, India)and D. N. Tibarewala (School of BioScience and Engineering, Jadavpur University, India)
Copyright: 2016
Pages: 17
Source title: Biomedical Image Analysis and Mining Techniques for Improved Health Outcomes
Source Author(s)/Editor(s): Wahiba Ben Abdessalem Karâa (Taif University, Saudi Arabia & RIADI-GDL Laboratory, ENSI, Tunisia)and Nilanjan Dey (Department of Information Technology, Techno India College of Technology, Kolkata, India)
DOI: 10.4018/978-1-4666-8811-7.ch007

Keywords: Bioinformatics / Medical Information Science Reference / Medicine & Healthcare

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Abstract

We the human beings are blessed by the nature to become well competent for performing highly precise and copious visual processes with how ever a restricted field of view. Howbeit, this process of visual perception is, to a great extent, controlled by the saccades or more commonly the eye movements. The positioning and accommodation of eyes allows an image to be placed (or fixed) in the fovea centralis of the eyes but although we do so to fix our gaze at a particular object, our eyes continuously move. Even though these fixational eye movements includes magnitude that should make them visible to us yet we remain oblivious to them. Microsacades, drifts and tremors that occurs frequently during fixational eye movements, contribute largely to the visual perception. We use saccades several times per second to move the fovea between points of interest and build an understanding of our visual environment.

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Visual Perception from Object Scanning as Revealed by Electrooculography

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