The role of eye movement signals in dorsal and ventral processing

John A. Black Jr.; Stuart B. Braiman; Chatapuramkrishnan Narayanan; Sethuraman Panchanathan

doi:10.1117/12.707578

12 February 2007 The role of eye movement signals in dorsal and ventral processing

John A. Black Jr., Stuart B. Braiman, Chatapuramkrishnan Narayanan, Sethuraman Panchanathan

Proceedings Volume 6492, Human Vision and Electronic Imaging XII; 649215 (2007) https://doi.org/10.1117/12.707578
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

As human eyes scan an image, each fixation captures high resolution visual information from a small region of that image. The resulting intermittent visual stream is sent along two visual pathways to the visual centers of the brain concurrently with eye movement information. The ventral stream (the what pathway) is associated with object recognition, while the dorsal stream (the where pathway) is associated with spatial perception. This research employs three experiments to compare the relative importance of eye movement information within these two visual pathways. During Experiment 1 participants visually examine (a) outdoor scenery images, and (b) object images, while their fixation sequences are captured. These fixation sequences are then used to generate sequences of foveated of images, in the form of videos. In Experiments 2 and 3 these videos are viewed by another set of participants. In doing so, participants in Experiment 2 and 3 experience the same sequence of foveal stimuli as those in Experiment 1, but might or might not experience the corresponding eye movement signals. The subsequent ability of the Experiment 2 and 3 participants to (a) recognize objects, and (b) locate landmarks in outdoor scenes provides information about the importance of eye movement information in dorsal and ventral processing.

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John A. Black Jr., Stuart B. Braiman, Chatapuramkrishnan Narayanan, and Sethuraman Panchanathan "The role of eye movement signals in dorsal and ventral processing", Proc. SPIE 6492, Human Vision and Electronic Imaging XII, 649215 (12 February 2007); https://doi.org/10.1117/12.707578

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KEYWORDS

Video

Eye

Visualization

Photography

Information visualization

Visual system

Computing systems

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