Dear colleagues,
I'm in the market for an eyetracker, mainly for studies of visual
psychophysics during or near saccades. Most studies will be on adult human
subjects (usually with chinrests), some will be on head-free infants and
young children. For stimulus display we use mainly CRTs and projectors.
We're looking for trackers with sample rates at or above 1000 Hz. From what
I understand, our options are EyeLink 1000/1000+ and Tobii Pro Spectrum. I
have a lot of experience with EyeLink, and almost none with Tobii. In terms
of head-fixed precision, the 2020 paper by Nyström et al. (Beh. Res.
Methods) says that they're very similar.
I was wondering if the Tobii tracker might be more robust/tolerant with
respect to head movements, as compared to the "sticker" mode in EyeLink,
since Tobii is mainly known for head-free systems? Does anyone with
experience with both systems know if this is the case? I would appreciate
any other comparisons as well (usability, ease of programming, etc.).
Thank you very much,
Mark Wexler
--
Mark Wexler
Integrative Neuroscience and Cognition Center
CNRS - Université de Paris
http://wexler.free.fr
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