{"action":"created","issue":{"url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/37","labels_url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/37/labels{/name}","comments_url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/37/comments","events_url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/37/events","html_url":"https://github.com/ErwinHaasnoot/QRTEngine/issues/37","id":104603807,"number":37,"title":"Syncronous presentation?","user":{"login":"stephensrmmartin","id":2332684,"avatar_url":"https://avatars.githubusercontent.com/u/2332684?v=3","gravatar_id":"","url":"https://api.github.com/users/stephensrmmartin","html_url":"https://github.com/stephensrmmartin","followers_url":"https://api.github.com/users/stephensrmmartin/followers","following_url":"https://api.github.com/users/stephensrmmartin/following{/other_user}","gists_url":"https://api.github.com/users/stephensrmmartin/gists{/gist_id}","starred_url":"https://api.github.com/users/stephensrmmartin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephensrmmartin/subscriptions","organizations_url":"https://api.github.com/users/stephensrmmartin/orgs","repos_url":"https://api.github.com/users/stephensrmmartin/repos","events_url":"https://api.github.com/users/stephensrmmartin/events{/privacy}","received_events_url":"https://api.github.com/users/stephensrmmartin/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-09-03T01:29:43Z","updated_at":"2015-09-03T01:59:20Z","closed_at":"2015-09-03T01:59:20Z","body":"Hello again,\r\n\r\nI'd love to run a subliminal priming study via qrtengine.\r\nThe problem is that we would like to present one stimulus for about 16-18 ms.\r\n\r\nWhether the stimulus is drawn on the screen that quickly depends on the refresh rate (and response time of the pixel change) of the monitor.\r\n\r\nI know there is a way via the dom standard to synchronize animations via window.requestAnimationFrame, and there are pages that can estimate a monitor's refresh rate (e.g., http://www.vsynctester.com/detect.html).\r\nIs there any way to present the stimulus in a manner that is synchronized with the monitor refresh?\r\n\r\nIt's a longshot, but it would ensure that everyone sees the stimulus as clearly and as consistently as possible."},"comment":{"url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/comments/137300689","html_url":"https://github.com/ErwinHaasnoot/QRTEngine/issues/37#issuecomment-137300689","issue_url":"https://api.github.com/repos/ErwinHaasnoot/QRTEngine/issues/37","id":137300689,"user":{"login":"stephensrmmartin","id":2332684,"avatar_url":"https://avatars.githubusercontent.com/u/2332684?v=3","gravatar_id":"","url":"https://api.github.com/users/stephensrmmartin","html_url":"https://github.com/stephensrmmartin","followers_url":"https://api.github.com/users/stephensrmmartin/followers","following_url":"https://api.github.com/users/stephensrmmartin/following{/other_user}","gists_url":"https://api.github.com/users/stephensrmmartin/gists{/gist_id}","starred_url":"https://api.github.com/users/stephensrmmartin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stephensrmmartin/subscriptions","organizations_url":"https://api.github.com/users/stephensrmmartin/orgs","repos_url":"https://api.github.com/users/stephensrmmartin/repos","events_url":"https://api.github.com/users/stephensrmmartin/events{/privacy}","received_events_url":"https://api.github.com/users/stephensrmmartin/received_events","type":"User","site_admin":false},"created_at":"2015-09-03T01:59:20Z","updated_at":"2015-09-03T01:59:20Z","body":"Ha... never mind. I just read the white paper and it says you all use rAF already.\r\n\r\nPerhaps it is merely a problem on my very old laptop."}}