Reaction time problem

[Mukesh Vaidya]

Hi All,


> We need to extract Reaction Time data [usually in milliseconds] from our
participants' in-scanner experiment data.> The E-Prime data files [e-dat files] are generated by a separate system
which runs the experiment script [or "paradigm"], and the participant's
vocal responses are recorded using a separate computer.> The vocal responses are recorded by manual 'start' and 'stop' button
presses, whereas the e-dat files are generated automatically by the
computer that is running the experiment, and it is synchronized with the
MRI scanner.> If we can figure out what auditory signal, i.e., sound feature that is
part of the sound file is synchronized perfectly with any specific
time-stamp in the e-dat files, we can then use that time-stamp as our
"zero" point, and measure Reaction Time accordingly.


I am attaching experiment file as well.

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