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- #END ROUTINE AFTER NUMBER OF KEYPRESSES PSYCHOPY BUILDER HOW TO#
- #END ROUTINE AFTER NUMBER OF KEYPRESSES PSYCHOPY BUILDER SERIAL#
- #END ROUTINE AFTER NUMBER OF KEYPRESSES PSYCHOPY BUILDER PATCH#
I've run into a roadblock with a task and would appreciate any advice from the community! My knowledge of Python is still very limited. An important thing to note is that you must define the correct answer.I am using PsychoPy version 1.82.01 in the Builder View. The Staircase methods are different to those used for a loop which uses predetermined values. The contrast of the stimulus is determined using an adaptive staircase.The result in this case is that the grating drifts at a rate of 2Hz.
#END ROUTINE AFTER NUMBER OF KEYPRESSES PSYCHOPY BUILDER PATCH#
The phase of a Patch Component ranges 0-1 (and wraps to that range if beyond it). There is also a globalClock that can be used in the same way. Every Routine has a clock associated with it that gets reset at the beginning of the iteration through the Routine. The phase of the stimulus is set to change every frame and its value is determined by the value of trialClock.getTime()*2.This information is then entered into the stimulus parameters using ‘$expInfo’ The opening dialog box requires the participant to enter the orientation of the stimulus, the required fields here are determined by ‘Experiment Info’ in ‘Preferences’ which is a python dictionary.find the contrast where the observer can just see the stimulus. This is a mini psychophysics experiment, designed to find the contrast detection threshold of a gabor i.e. Journal of Experimental Psychology 18: 643-662.
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#END ROUTINE AFTER NUMBER OF KEYPRESSES PSYCHOPY BUILDER SERIAL#
“Studies of interference in serial verbal reactions”.