https://wiki.mrrc.pitt.edu/ 2026-06-05T22:35:48+00:00 https://wiki.mrrc.pitt.edu/ https://wiki.mrrc.pitt.edu/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-04-03T19:07:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:analysis&rev=1743707270&do=diff EyeLink Analysis Reading EDF The tracker writes .edf files containing samples, messages, and events There are various tools to read these files. * matlab: edfmex tool * R: eyelinkReader * python: eyelinkio or pyedfread * to ascii for universal reading: edf2asc in developer SDK (linux) Matching saccades to task events example R code - text/html 2026-01-07T14:38:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:calibration&rev=1767796686&do=diff SR Research EyeLink Calibration This page documents calibration steps after finishing camera and PC setup Calibration Software Run control64.exe on the task PC. This will display calibration points to the participant and talk to the EyeLink Host PC. The EyeLink SDK installs this to text/html 2026-05-29T16:32:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:configuration&rev=1780072376&do=diff EyeLink Camera Configuration The Host PC's PHYSICAL.INI (read-only) and the overwriting FINAL.INI record distance and screen measurements used in eye gaze modeling and degrees of visual angle calculation. [2026-05-29: retrieved PHYSICAL.INI and FINAL.INI from P1 and P2] text/html 2025-05-28T20:33:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:connection&rev=1748464413&do=diff EyeLink Ethernet Connection The EyeLink Ethernet port is reported (Aug 2020) to be "full" gigabit" ⩵ 1000Mbps. The EyeLink host defaults to 100.1.1.1. This can be changed but is assumed in many of EyeLink's tools. Because the P1 and P2 control room task PCs already interface with text/html 2025-04-03T19:07:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:install&rev=1743707271&do=diff SR Research EyeLink Install Useful videos include * Siemens Tray Mount setup * Eye Tracker Positioning (illuminator) video. * Participant Setup/Positioning Tray positioning from EyeLink® 1000 Plus Installation Guide: Long Range Mounts (pg 63) " For use with the 32 channel Siemens head coil (monocular only) the post needs to be displaced to the side of the eye-to-be-tracked... Note that placement of the text/html 2025-08-28T17:48:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:log&rev=1756403282&do=diff EyeLink Log Notable events for the SR eye trackers. date scanner event 2025-08-27 P2/32ch surface-first mirror tape failed. fell out 2025-??-?? ?? surface-first mirror adhesive fully extended across back 2024-09-05 P1 + P2 installed surface-first mirrors text/html 2025-06-27T14:00:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:sensitivity&rev=1751032801&do=diff Eyelink Saccade Sensitivity The default “Normal” sensitivity is likely appropriate for the noisier long-range-optic MR recording. " 2.4.1.2 Camera Setup Screen Main Functions [saccade sensitivity setup toggle image] Define the sensitivity of the EyeLink 1000 Plus parser for saccade event generation. Normal is intended for cognitive tasks like reading; while High is intended for psychophysical tasks where small saccades must be detected. See Section 4.3.3 Saccadic Thresholds for details of… text/html 2025-10-21T16:05:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:task_integration&rev=1761062709&do=diff EyeLink Task Integration This page describes how to interact with the EyeLink Tracker from your task/code -- start, stop, annotate with triggers, messages. The analysis page has tips for the next step: exploring the collected edf file data offline. Jump to for example code. text/html 2025-05-28T20:31:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:taskpc_setup&rev=1748464268&do=diff EyeLink Task Computer Setup This page outlines steps needed to setup SR Research EyeLink 1000 Plus for in-scanner eye tracking. Also see the SR Research participant setup video . A nascent (2025-04-03) checklist document is on here Once the camera and task PC are setup, you likely want to run SR Research EyeLink Calibration. Other eye tracking topics include text/html 2025-04-06T17:11:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.mrrc.pitt.edu/doku.php?id=hardware:eyetracking:eyelink:troubleshooting&rev=1743959517&do=diff EyeLink Troubleshooting Cannot find SCD File BAC66200.SCD Scanner Camera config Prisma2 ZCB07140.SCD Prisma1 ZCA41140.SCD Connection Error