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PSOVIS: An interactive tool for extracting post-saccadic oscillations from eye movement data

Research output: Contribution to conference - Without ISBN/ISSN Conference paperpeer-review

Published
Publication date21/08/2017
Number of pages3
<mark>Original language</mark>English
EventCOGAIN Symposium: Communication by Gaze Interaction - Bergische Universität Wuppertal, Wuppertal, Germany
Duration: 21/08/201721/08/2017
http://cogain2017.cogain.org/?program

Symposium

SymposiumCOGAIN Symposium
CountryGermany
CityWuppertal
Period21/08/1721/08/17
Internet address

Abstract

Post-microsaccadic eye movements recorded by high frame-rate pupil-based eye trackers reflect movements of different ocular structures such as deformation of the iris and pupil- eyeball relative movement as well as the dynamic overshoot of the eye globe at the end of each saccade. These Post-Saccadic Oscillations (PSO) exhibit a high degree of reproducibility across saccades and within participants. Therefore in order to study the characteristics of the post-saccadic eye movements, it is often desirable to extract the post-saccadic parts of the recorded saccades and to look at the ending part of all saccades. In order to ease the study- ing of PSO eye movements, a simple tool for extracting PSO signals from the eye movement recordings has been developed. The software application implements functions for extracting, aligning, visualising and finally exporting the PSO signals from eye movement recordings, to be used for post-processing. The code which is written in Python can be download from https://github.com/dmardanbeigi/PSOVIS.git