Hello, My lab has collected some data with PsychoPy on a Mac OS 10.13. Recently we became aware of the triple buffering issue on new macs that causes a stimulus presentation delay of one screen refresh. We are trying to decide how to best correct for this delay. I’m unclear if this lag is also aff…

If your display is running at, say, 60 Hz, then PsychoPy will be feeding frames into the “pipeline” at that rate. The initial frame will be displayed late in absolute terms, but the relative timing between subsequent frames should be preserved, because a new frame will still be displayed every 16.66…

Correcting for Mac Triple Buffering

Other

ecpeters July 31, 2020, 3:59pm 3

Thanks for the clarification!

Topic		Replies	Views
Mac Triple buffering and EEG triggers Coding	1	393	April 15, 2021
Accuracy of timing scale of stimuli Builder timing	9	114	October 30, 2025
Abnormal frame duration 2.0 Coding	7	937	October 15, 2020
Delay between stimulus presentation and trigger sent to port Other timing , screen	1	1160	March 22, 2021
Best Apple computer for visual stim presentation? Other timing , screen	3	835	January 5, 2020

Correcting for Mac Triple Buffering

Related topics