After years of running relatively trouble free, yesterday a new problem appeared: when I exit a script in which I've opened a window using Screen, all displays...
Hi all! I need some some clues to write a program with Psychotoolbox-3 version. Actually i am not a programmer and i am really in trouble... In the experiment...
Hi Mario et al., in contrast to Screen('DrawText',...), DrawFormattedText does not currently seem to support special characters. It would be nice if such...
Does anyone have experience in making fast rotating objects with PTB ? I was trying to create a rotating moving grating in my program and found that...
Hello, Does anyone know how to display white dots on a black background, using the command 'DrawDots'? I know how to set the color of the dots, but I don't...
Hello, For an experiment I am running I've got a script that presents dots on the screen. In order to show this experiment in a presentation slide I need to...
Hi, I'm just trying to install Psychtoolbox on a new computer in our lab which has Matlab 2009b installed on it, and get the following error message: "Tried to...
I am attempting to read outputs from a fORP Joystick on a MAC with 10.5.8. When connecting the joystick to the MAC, depending on which setting I have selected...
I'm working on setting up a psychophysics experiment using OpenGL. In the past we were using the "toe-in" method of implementing stereo vision, until recently...
Hi I am new to the group and I hope I am not taking advantage of everyone's good nature but I recently unearthed a very specialized looking monitor that...
dear groups: i am a post graduate student do research in the field of image processing, more related to soft ware design.i have some wanders about if ptb is...
hi everyone, this is probably a very simple question/answer, but I'm having problems finding the right code on the psychtoolbox website. essentially, I know...
Hi everybody :-) One general question about "Out of Memory" error message. I have a couple of huge matrices which they include some images which I need to work...
Hi all, I'm using the DAQ toolbox/PsychHID to communicate with a USB-1208FS device.There are external response buttons connected to the USB-1208FS, and with...
Hi, When trying to use the TextSize and DrawText arguments I get the following error: Failed to load X11 font with name -*-times-bold-i-*--35-*-*-*. Error in...
Hi, I have USB1208-FS Daq. I couldn't integrate the driver to matlab 7 in windows xp pro sp3. Can you help me, please! Sorry for my bad English. Mehmet...
Hi there I hope that someone can help me. Am I right in thinking that to achieve short onset latencies with PsychPortAudio I need to do one of the following ...
Hi, I want to show a few image files one by one (with WaitSecs(2)) problem is: when I use the Flip function the older image is deleted. Can I show a few, with...
Hi, I'm switching from PTB2 to PTB3 and am having trouble with PsychHID. Specifically I am trying to collect responses and synching signals during fMRI using a...
Hi everyone, I am running an fMRI experiment that involves a video with audio playback, and am looking for a way to boost volume through psychtoolbox. The MRI...
Dear Virginie First it would be useful if he provided more info than "it doesn't work" - none of us are mind-readers afaik. If you go to your doctor and say...
I know this has been on the forum before but the answers given weren't able to resolve my problems. I am using the built Matlab compiler (Lcc C version 2.4.1)...
This is important information for users of the CRS Bits+ device and of similar devices, e.g., the DataPixx, which connect to the DVI digital port of graphics...
PsychHID, GetGamepadIndices does not exist in Win Psychtoolboxes.If so, what is the analogous of 'PsychHID'or'GetGamepadIndices' in Windows?. OR Is there any...
Hi, I am running an experiment presenting a moving bar stimulus on a LCD monitor (response time is 2ms). The stimulus jittered when a low temporal frequency...
Hi everyone, I want to send the images from my video card to two monitors: one inside our recording chamber (for the subject) and one to a monitor outside the ...
Hi all, It seems that PTB3 can build texture from uint8, double, or even complex arrays(use only the real part), but can not read single precision image...
Regardless of what I put in the RUSH loop I get the same error %%Code loop={ }; priorityLevel=MaxPriority(w,'Flip'); Rush(loop,priorityLevel); %%error ???...
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