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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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Creating image retention test im builder view

I just downloaded psychopy this morning and have spent the day trying to figure out how to work with builder view. I watched the youtube video "Build your first PsychoPy experiment (Stroop task)" by Jon Pierce. In his video he was explaining how to…
user3850647
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how can I draw pie charts in PsychoPy Builder

I want to create half a pie chart to use in an existing builder script and I'm not sure how to go about it. (its actually to implement a speedometer) Does anyone have any suggestions? I realise I'll need to dip into some python code. This old…
jacanterbury
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Cannot change polygon 'size' every repeat in Builder

I'm using Builder v1.80.06 I can vary the position of a polygon every repeat easily enough e.g. I have a Positions list positions=[[1,1],[1.1,0.9],...] and in the 'Position field' have : $positions[0] and then change it's value in a code block…
jacanterbury
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How to display more than one image on the screen in PsychoPy?

I am going to design a simple visual search task as my final term project for the Python Course.In this task participants were asked to search for the certain image (call it target) but i insert the 3 image always display the last image in the…
Zai-Fu Yao
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Use PsychPy to activate MS Kinect (or other IR devices)

Is there a way to activate the MS Kinect out of PsychoPy? I am using PsychoPy for an experiment and I am using infrared (IR) cameras to capture participants movements. I want to automatically send a marker that is visible to the IR cameras out of…
makinate
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Advice with editing python code

I am creating a neuropsychological task using PsychoPy which uses Python code. I am creating a GoNoGo task and have a list of stimuli (positive, negative, and neutral words). I have a set number of blocks (18) and the target and distractor valence…
Kate
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procedure prematurely skipped in conditional feedback #psychopy

i exploited conditional branching in the builder with inline code to provide feedback after incorrect trials only by setting nRep of the feedback loop to 1 only after these trials. it works well, however, after a while the preceding procedure (trial…
user3636876
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psychopy keyboard answer breaks down

I am trying to write an Go_nogo Task in Psychopy. Even though I managed to write a script which is working, there are still a few things that make troubles. First, I present pictures of emotional stimuli (im_n, neural; im_a, emotional) and people…
Jakob
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Syntax to random sample functions from a list in Python

I'm trying to use the random.sample function in Python (specifically, Psychopy) to randomly sample from a list of functions. Here is my code: from psychopy import visual, core, event, gui import random import string win = visual.Window([800,600],…
user3021975
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Is there a place to run psychopy scripts online?

Is there any place where you can run an online experiment by uploading a psychopy script (Python 2.7)? Best, Simon
Simon Hansen
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Handling keypresses in Psychopy

I'm trying to design a behavioral task where I show one baseline picture for 3 seconds, and during this time, if a key 1 is pressed then the picture should be switched with a new picture (associated with the 1 keypress), if 2 is pressed instead then…
Gil Sharvit
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if statement condition depending on response psychopy

In my experiment, participants have to make a series of ratings in a visual rating scale. First I initialize the screen and add the corresponding visual components. My variable recall creates the rating scale which provides 2 choices: "Yes" and…
MD Claudio
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PsychoPy builder view key press- storing correct and incorrect answers

I am using builder view in PsychoPy 2. I have different loops of trials that come from an external excel file. For each trial there is either and X or a Z stimuli. For the X, participants are meant to press 'a', for Z they press 'l'. the trial…
Amy Moore
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Psychopy: draw all images from a list at once

I have a list with 12 images. All of them have different locations (that is, they do not overlap at all). I want to draw them all at once. In other words, I want to see all 12 pictures at the same time on the screen. So far, I only got this: …
Sergio gdlhr
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Get index from tuples in list of lists

I get keypress and timing output as tuples in a list of lists. output = [[], [], [('m', 2.8167322647641413)], [], [('m', 2.8179350001591956)], [], [], [], [], [], [], [('m', 0.3381059524253942)], []] I manage to select all the non-empty lists…
HansDieter88
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