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TX300 Overview
300 Hz eye tracker for detailed research
Tobii TX300 Eye Tracker collects gaze data at 300 Hz, yet allows for large head movements. The system is designed for studies that require a higher sampling rate; e.g. the need to study eye movements such as saccades, correction saccades, fixations, pupil size changes and blinks. In behavioral studies, subjects do not have to be positioned in an unnatural chinrest.
Field of use
Tobii TX300 Eye Tracker is suitable for use in areas such as:
• Neuroscience studies (e.g. studies combining eye tracking and EEG data)
• Ophthalmology studies
• Reading studies
• Psychology research (e.g. developmental psychology and psycholinguistics studies)
• Gaze-contingent paradigms due to a latency of 10 msec
The unique combination of a higher sampling rate and large head movement box benefits studies where freedom of movement is important, including behavioral research or eye movement research involving children.
TX300 Features
Freedom of movement, unobtrusive
- Tolerance of large head movements allows subjects to move freely and naturally in front of the stimulus. If the subject moves out of the head box and then back into it, tracking is resumed almost instantly
- All hardware, including the eye tracking technology, user camera and speaker, is fully integrated into the eye tracker unit and monitor so as not to distract the subject
- Stable and reliable calibrations eliminate the need for recalibration during long sessions.
The freedom of movement and unobtrusiveness allow subjects in behavioral studies to act naturally, thus ensuring research validity. Lengthy and accurate studies can be performed without subjects experiencing fatigue.
Accurate, precise and reliable
- Highly accurate and precise gaze position data in real life conditions and over wide gaze angles
- Head movement compensation algorithms ensure high accuracy and precision when subjects move relative to the eye tracker
- Advanced drift compensation maintains high accuracy and precision under varying light conditions
- Robust tracking capability ensures very low data loss regardless of a subject’s ethnic background, age, use of glasses, contact lenses or mascara, or so-called “droopy” eyelids
- Robust tracking capability also in ambient light conditions and during large and fast head movements
- Very stable sampling rate allows for precise synchronization of gaze data with data from other sources, e.g. EEG systems
- Effective binocular tracking allows for studies of individual eyes’ movements
- The raw data from the eye tracker contains information about pupil diameter size, which can be used to study pupil size changes over time.
The very accurate and precise data enables detailed studies into minute eye movements and viewing behavior, and creates a solid foundation for highly reliable research results. The robust tracking capability allows you to work with a wide cross-section of the population.
Flexibility of stimuli set-ups and software
- The Tobii TX300 Eye Tracker comprises an eye tracker unit and a removable 23” wide screen TFT monitor. The eye tracker can be used with the supplied monitor, or as a standalone eye tracker. The modular design of the system enables both stimuli presentation on the supplied monitor, and studies of real-world flat surfaces or scenes (such as external video screens, projections and physical objects).
- A wide range of research software applications are compatible with the Tobii TX300, including Tobii Studio 2.2, Tobii Toolbox for MATLAB , and E-Prime Extensions for Tobii. These, and many more applications that build on the Tobii Software Development Kit (Tobii SDK), can be found at the Application Market for Tobii Eye Trackers: appmarket.tobii.com.
- The TX300 can be used together with most EEG systems, such as Brain Products, EGI and ANT.
- The sync out port enables real time synchronization with external equipment. The eye tracker delivers a precise trigger signal when each data sample is collected.
The numerous stimuli set-up and software options provide a flexibility that makes the system ideal for a wide variety of studies as well as use across research departments.
Ease of use
- Rapid and automatic calibration procedure, including flexible options for difficult subjects such as infants or subjects with low attention spans
- Fully automatic tracking using simple commands
- Simple set-up and installation on most Windows computers
- Software support for hardware configuration in studies using real-world stimuli.
Because it is easy to use, you can get results within a short time frame. A variety of researcher profiles, including students, can use the system without needing extensive training.
