[visionlist] Seeking advice on touchscreens

[Gislin Dagnelie]

Dear colleagues,

For some of the eye-hand coordination tests and phosphene mapping tests 
in my lab we have been using touchscreens for a number of years, but we've 
not always been happy with their reliability.

With some, it appears that proximity of the finger is enough to register a 
response, whereas with others a finger press goes unnoticed if the area 
touched is too wide or the pressure too low.

Has anyone found a type/brand/model that they worked reliably for many 
subjects?

If you have given upon touchscreens, what alternative (e.g., a 3-D tracker) 
have you used instead?

Please feel free to respond in private or to the list.  I'll compile the responses 
I get by this weekend.

Best regards,

Gislin Dagnelie