1. I have used a haircutter's chair, used version very very inexpensive.
It turns round also, but can be fixed. You must know this from your own hair
cuts.
2. We had another solution as well: move the stimulus display up and down
3. Still another: mount everything on the subject's head. This solution is of
course limited to a few cases of stimulus requirements. You may want to look
at our web-page: www.optom.de, where you find an eye tracker called
ExpressEye with head mounted minilasers to project the light at any wall in
front of the subject. This arrangement also compensates for changes in head
position: you do not loose your calibration and your session can be continued
after one or two trials that you may want to abort.
Best regards and good luck
Burkhart
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Burkhart Fischer, Universitaet Freiburg, AG Hirnforschung
Hansastr. 9, 79104 Freiburg, Germany, Tel ++49 761 203 9535, Fax 9540
[log in to unmask] www.brain.uni-freiburg.de/fischer/
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