Data Viewer

EyeLink Data Viewer is used for viewing, filtering, and processing gaze data recorded with EyeLink eye trackers.

Includes a range of Data Visualization options:
- Temporal Graph View supports visualization of eye data over time.
- Spatial Overlay View superimposes saccade and fixation scan-path information over an image.
- Animation Playback View plays back the trial with eye movements overlaid (including bee-swarm and dynamic heatmap modes).
Supports both static and dynamic interest areas (rectangular, elliptical, or freeform polygons).
Generate static or dynamic heat maps for selected trials or groups of trials.
Create difference maps to compare gaze across conditions / trials / participant groups
Create interest periods for temporal data filtering.
Output a wide range of reports, at the sample, fixation, saccade, interest area, or trial level for statistical analysis.
Output Time Series (binning) reports for Visual World and Dynamic tasks.
Aggregate Data Mode allows users to visualize eye-tracking data from multiple participants/trials and provides summary statistics.
Highly integrated with SR Research Experiment Builder, E-Prime, Presentation, Matlab + Psychtoolbox, and other experimental programming packages.

Filter data and reports based on fixation / saccade parameters (e.g. duration and amplitude).
Manually edit / delete / merge fixations in temporal view mode.
Remove fixations using a range of highly configurable options.
Clean fixations using a built-in and configurable four-stage process (for reading research).
Group trials based on one or multiple trial condition variables.
Color code events (fixations / saccades) based on grouping variables.
Create interest areas templates and apply them to all similar trials across participants.

Generate reports on gaze position at the sample level, as well reports based on fixations, saccades, interest areas, or trials for statistical analysis.
Generate aggregate Event or Interest Area Reports for a rapid overview of key gaze metrics.
Perform reading regression analysis and fixation sequence (transition matrix) analysis.
All Data Viewer reports (output as .txt or .xls files) can be imported directly into Excel and statistical analysis packages such as SPSS and R for further processing.
Data Viewer requires a license key to run, but if you’d like to try it you can run it temporarily in a restricted demo mode without one. You can get the installer from our support forum.

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