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README.ColdPressor.txt
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README.ColdPressor.txt
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README for the Cold Pressor Task
*****************************************************************SUMMARY**************************************************************************
This module records data for the cold pressor task.
The subject is presented with an instruction slide, then has a chance to practice making ratings with the mouse scroll wheel.
After that, there is one more instruction slide--hitting enter when the subject places his hand in the water begins the cold pressor trial and hitting enter again ends it when he removes his hand.
*****************************************************************TRIAL STRUCTURE******************************************************************
[instruction slide] -> [rating practice trial] -> [cold pressor trial]
^ ^
INSTRUCT_START TASK_START
-> [trial (rating practice or cold pressor)] ->
^ ^ ^ ^ ^ ^
TRIAL_START MARKER_LOCATION TRIAL_COMPLETE
*****************************************************************INPUT DETAILS********************************************************************
This task does not use an input file.
TRIAL ORDER IS: fixed
*****************************************************************OUTPUT DETAILS*******************************************************************
trial 0 is the practice trial, trial 1 is the trial using the ice bath
INSTRUCT_ONSET (1)
response_time: not used
response: not used
result: not used
TASK_ONSET (2)
response_time: time between INSTRUCT_ONSET and TASK_ONSET
response: not used
result: not used
TRIAL_ONSET (3)
response_time: not used
response: not used
result: not used
MARKER_LOCATION (4)
response_time: time between TRIAL_START and MARKER_LOCATION
response: location of marker on rating scale, scaled to be in the range [0,1]
result: not used
TRIAL_COMPLETE (5)
response_time: total time this trial took (duration of hand in water)
response: not used
result: not used
VAS_RATING (6)
response_time: time to make a response
response: Rating in the range [0,100]
result: Question asked