__________________________________________________________________________________________________________________ *RAPID VISUAL INFORMATION PROCESSING:* Preferential Looking Demo with Eyetracker* ___________________________________________________________________________________________________________________ Script Author: Sean Draine, Ph.D. (seandr@millisecond.com) for Millisecond Software, LLC Date: November, 2013 last updated: 03-02-2022 by K. Borchert (katjab@millisecond.com) for Millisecond Software, LLC Script Copyright © 03-02-2022 Millisecond Software ___________________________________________________________________________________________________________________ BACKGROUND INFO ___________________________________________________________________________________________________________________ This script demonstrates a preferential looking task using a Tobii Eye Tracker to monitor and gaze points: ___________________________________________________________________________________________________________________ TASK DESCRIPTION ___________________________________________________________________________________________________________________ Participants view side by side pictures of 2 animals side by side (either dogs, cats or mixed). The trial ends if participants gaze falls one of the two pics. ___________________________________________________________________________________________________________________ DATA FILE INFORMATION ___________________________________________________________________________________________________________________ The default data stored in the data files are: (1) Generic Inquisit raw data file: 'kittensorpuppies_raw*.iqdat' (a separate file for each participant) (2) Summary data file: 'kittensorpuppies_summary*.iqdat' (a separate file for each participant) inquisit.version: Inquisit version run computer.platform: the platform the script was run on (win/mac/ios/android) startdate: date script was run starttime: time script was started subjectid: assigned subject id number groupid: assigned group id number sessionid: assigned session id number elapsedtime: time it took to run script (in ms); measured from onset to offset of script completed: 0 = script was not completed (prematurely aborted); 1 = script was completed (all conditions run) ___________________________________________________________________________________________________________________ EXPERIMENTAL SET-UP ___________________________________________________________________________________________________________________ 1 Block of 20 trials with dog-dog pairing (85%), cat-cat pairing (5%), cat-dog/dog-cat (10%) ___________________________________________________________________________________________________________________ STIMULI ___________________________________________________________________________________________________________________ see section Editable Stimuli ___________________________________________________________________________________________________________________ INSTRUCTIONS ___________________________________________________________________________________________________________________ see section Editable Instructions ___________________________________________________________________________________________________________________ EDITABLE CODE ___________________________________________________________________________________________________________________ check below for (relatively) easily editable parameters, stimuli, instructions etc. Keep in mind that you can use this script as a template and therefore always "mess" with the entire code to further customize your experiment.