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Fast, Accurate, Reliable Eye Tracking

Fast, Accurate, Reliable Eye Tracking

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eye tracking research

EEG and fNIRS

EEG and fNIRS Eye-Tracking Solutions

Simultaneous eye tracking and electroencephalography (EEG) or functional near-infrared spectroscopy (fNIRS) allows researchers to monitor participant engagement and task compliance and track and control for potentially confounding factors such as blinks and saccades. EyeLink systems can be integrated and synchronized with all major EEG and fNIRS devices.

Eye Tracking EEG fNIRs Solutions

If you would like to find out how our eye-tracking hardware and software can help your EEG or fNIRS research, get in touch, and we will get back to you!

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Hardware Solutions

The EyeLink 1000 Plus is a highly flexible eye tracker, with a range of mounting options and synchronization solutions, including an analog output option. It typically operates at a distance of 50-70 cm from the participant and does not introduce noise into the recording environment. Longer distances can be accommodated with the long-range upgrade. The EyeLink Portable Duo is ideal for research out of the lab or settings that do not require analog output or long camera-to-eye distances.

EEG and Eye Tracking
EEG and Eye Tracking

Both the EyeLink 1000 Plus and EyeLink Portable Duo systems have the following features that make them perfect for EEG and fNIRS research:

  • Head Free-to-Move Option: Head free-to-move Remote Mode ensures that there is no interference with electrodes from head-stabilization equipment.
  • High Sampling Rates: Up to 2000 Hz binocular sampling rates and exceptionally high levels of precision ensure even the smallest eye movements (including microsaccades) can be detected.
  • Synchronization Options: Multiple synchronization options include Ethernet messaging and / or TTL signaling.

Software Solutions

Stimulus Presentation

SR Research Experiment Builder allows sophisticated cognitive psychology tasks to be implemented quickly and easily and provides a range of tools for creating experimental tasks that can synchronize eye tracking with EEG and fNIRS data streams.

Experiment Builder - BioSemi Integration

In addition to bespoke integration solutions for Magstim-EGI, Brain Products, BioSemi and Neuroscan equipment, Experiment Builder has many other powerful features for creating eye-tracking and non-eye-tracking experiments for EEG and fNIRS research:

  • Event Markers: Create common event markers in both eye-tracking and EEG data streams to allow for experimental event-based (e.g., stimulus onset) and eye event-based ERP analysis (e.g., fixation-related potentials).
  • Templates: Choose from hundreds of existing templates for common tasks such as visual search, dot-probe, change-blindness, cueing tasks, and many more.
  • Integration: There are integration and data synchronization solutions for a wide range of biometric recording devices
  • Timing: Experiment Builder has precise timing delivery for text, images, audio, and videos, and millisecond precise recording of responses from button box / voice-key devices.

Eye-tracking functionality can easily be added to EEG / fNIRs tasks programmed with other stimulus presentation software. We provide templates and examples for Presentation, MATLAB and Psychtoolbox, E-Prime, PsychoPy and more.

Eye Tracking Software

EyeLink Publications

There are over 10,000 EyeLink publications in peer-reviewed journals and over 600 EEG, fNIRS, and TMS publications. Click the buttons below for searchable lists of EyeLink research papers:

All 10,000+ EyeLink Publications
600+ EEG / fNIRS Publications

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EyeLink® eye trackers are intended for research purposes only and should not be used in the treatment or diagnosis of any medical condition.

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