Pros and Cons of different response devices

1
Hello,

Based on your experience, what are the pros and cons of the different response devices that are available, and particularly their compatibility with PTB? We currently have a Cedrus device (not sure what model) and I read that they may have some timing issues. I will be requiring at least 4 different buttons on the device--so mice can be ruled out.

Thanks!
Jamie
2
--- In psychtoolbox@yahoogroups.com, "jnhershaw" <jnhershaw@...> wrote:
>
> Hello,
>
> Based on your experience, what are the pros and cons of the different response devices that are available, and particularly their compatibility with PTB? We currently have a Cedrus device (not sure what model) and I read that they may have some timing issues. I will be requiring at least 4 different buttons on the device--so mice can be ruled out.

I have some experience with this Cedrus pad: http://www.scienceplus.de/cedrus-response-pad-rb830

Both from custom Python driver and PTB it sometimes would hang and require USB replugging.

They got the protocol almost right, but with the clear flaw of difficult synchronization with the system timers.

The RTBox from Xiang-Rui removes this protocol shortcoming: http://lobes.usc.edu/RTbox/ . He's active here and good PTB interoperability was ensured from the outset.

Other solutions with no internal clock in the boxes (i.e., based on serial port samples) work too, but those are less clean.

--Tobias