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Questions tagged [psychopy]

PsychoPy is an open-source python module written in python and c libraries for the generation of experiments for neuroscience and experimental psychology. PsychoPy includes Builder and Coder - two graphical interfaces to build experiments using the psychopy python module.

PsychoPy is an open-source Python module written in Python and C libraries for the generation of experiments for neuroscience and experimental psychology. PsychoPy includes Builder and Coder - two graphical interfaces to build experiments using the PsychoPy Python module.

Links:

See the project website for documentation and more information about PsychoPy.

All support now takes place in the psychopy forum

See Github for psychopy's source code. Contributions are very welcome!

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Coordinates of a target location within an ImageStim at the ‘click-point’ in Psychopy/python code

I am working on an experimental design and code for a psychopy/python course. I am very new to coding, so excuse any jargon mistakes. Design: Where's Waldo search experiment. Between-subjects, IDV: manipulates the size of the image to reduce visual…
Kelsey Brick
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Trying to get a loop to restart when using a shuffled array

Dear Stackoverflow fam, I wish to run some experiments whereby I import some parameters for a stimulus (random dot kinematogram) and I chose to do this by creating a CSV with said parameters (total of 8 parameters I wish to cycle through). I need to…
PillowTalk
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How can I make a circular visual object with its area evenly divided among three or more colors?

Background: A little new to python and psychopy. I’m trying to build a function that would sort of functionally replicate a roulette wheel and I’ve essentially done so. This function will revolve a small circle around a large circle and pressing…
William Mitchell
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How to shuffle my array with no repetitions?

I'm trying to create an array of 256 stimuli that represents the frequency value to input into my sound stimuli. So far I have created an array of 4 numbers representing the 4 different frequency levels for my audio tones: #Pitch list - create an…
Evan Canny
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pytest_postgresql example does not find file

I am currently trying to get pytest_postgresql running in my enviroment. so I copyed the Sample test out of github readme: def test_example_postgres(postgresql): """Check main postgresql fixture.""" cur = postgresql.cursor() …
pretend I have a cool name
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Issue with core.quit() when using PsychoPy through Spyder

I am using Spyder (5.2.2; Python 3.9.10) to run PsychoPy (in a dedicated Conda environment) on my M1 MacBook (Monterey, 12.0.1), but I cannot exit experiments using core.quit(). The experiment works fine using the PsychoPy coder. For reference, my…
jc1100011
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Replacing dots with symbols RDK

I was wondering if you can replace dots with another symbol in the Random Dot Kinematogram (RDK) component? https://www.psychopy.org/builder/components/dots.html#dots
JgIXG071
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ExperimentHandler CSV output value separator environment dependant

(I'm not a pyschologist nor pysychopy export but helping one) We're developing an expirement using the Coder (not Builder). The output of an experiment is written out using the data.ExperimentHandler.addData(). When I run the application on my…
Conffusion
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Two while loops on a countdown seem to be overlapping and running at the same time

I am using the psychopy code from this publication: "Using a variant of the optomotor response as a visual defect detection assay in zebrafish". The code is a series of while loops on a countdown. Each loop should run for 10 seconds. I want to add…
Chris
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How to make sound read by PsychoPy

I'm trying to figuring the problem out I'm facing with PsychoPy. When I try to upload this file that actually is a .svp file I get this error: RuntimeError: Error opening 'audio_track.svp': File contains data in an unknown format. ##### Experiment…
12666727b9
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Psychopy stack smashing detected

I am trying to execute the following basic psychopy (version 2021.2.3) code through the Python 3.6.13 console: import psychopy.visual as pv pv.Window() Which gives the following error. *** stack smashing detected ***: terminated Aborted…
Mitchell van Zuylen
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Psychopy in python : having two answers once when the key is pressed and the second when is released

I need to modify a script in psychopy. The thing I need is the subject to press and hold a buttom in the keyboard, but I'd like to have two responses: one when he/her presses it (and the windows with text has to change), and the second when he/her…
Linda Fiorini
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Psychopy how to solve TypeError: unsupported operand type(s) for *: 'NoneType' and 'int'

OS (e.g. Win10): macOS 10.15.7 PsychoPy version (e.g. 1.84.x): 21.1.2 Standard Standalone? (y/n) y What are you trying to achieve?: I'm a beginner in programming so I'm using a builder to create the online experiment, Magnitude estimation of…
user15546211
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How can i emulate joystick input in psychopy

I am working on someone else's code. The code is written in python and it has dependency of Joystick. I want to emulate joystick with keyboard or mouse but i did not find any relevant help on the web here are some relevant code from…
Mihir Mehta
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Python. Index through a list by random set size specified in another list

I want to loop through a list of words in different set sizes, and the order of the set size is specified in another list. I want to jump to the new word in the word list after each trial set. For example, I have stimuli_words =…
Tokaalmighty
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