{"id":205,"date":"2014-04-06T14:49:29","date_gmt":"2014-04-06T14:49:29","guid":{"rendered":"http:\/\/wiki.psychwire.co.uk\/?page_id=205"},"modified":"2014-04-06T18:43:47","modified_gmt":"2014-04-06T18:43:47","slug":"gaze-contingent-triggers","status":"publish","type":"page","link":"http:\/\/wiki.psychwire.co.uk\/?page_id=205","title":{"rendered":"Gaze Contingent Triggers"},"content":{"rendered":"<div>Sometimes we may want to have the stimuli appear only after the participant has looked at a certain place on the screen. Gaze contingent boxes are often used at the beginning of trials to make sure that the participant starts the trial at the correct point on the screen.\u00a0Gaze contingent boundaries are also often used in \u2018boundary change\u2019 experiments.\u00a0In reading research if you want to have the preview for a word different from when the participant actual fixates the word you will use a gaze contingent boundary.\u00a0In some visual search research you may with to trigger a change in the display when the participant looks at a certain object in the display.<\/p>\n<div style=\"display: inline !important;\">There are a number of gaze contingent trigger types:<\/div>\n<\/div>\n<div>\n<div><\/div>\n<div><\/div>\n<div><a href=\"http:\/\/wiki.psychwire.co.uk\/wp-content\/uploads\/2014\/04\/2014-04-06-16_39_31-Developing-Experiments-using-Experiment-Builder_EYETRACKING-Microsoft-PowerPoi.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-260\" alt=\"2014-04-06 16_39_31-Developing Experiments using Experiment Builder_EYETRACKING - Microsoft PowerPoi\" src=\"http:\/\/wiki.psychwire.co.uk\/wp-content\/uploads\/2014\/04\/2014-04-06-16_39_31-Developing-Experiments-using-Experiment-Builder_EYETRACKING-Microsoft-PowerPoi.png\" width=\"682\" height=\"314\" srcset=\"http:\/\/wiki.psychwire.co.uk\/wp-content\/uploads\/2014\/04\/2014-04-06-16_39_31-Developing-Experiments-using-Experiment-Builder_EYETRACKING-Microsoft-PowerPoi.png 1136w, http:\/\/wiki.psychwire.co.uk\/wp-content\/uploads\/2014\/04\/2014-04-06-16_39_31-Developing-Experiments-using-Experiment-Builder_EYETRACKING-Microsoft-PowerPoi-300x138.png 300w, http:\/\/wiki.psychwire.co.uk\/wp-content\/uploads\/2014\/04\/2014-04-06-16_39_31-Developing-Experiments-using-Experiment-Builder_EYETRACKING-Microsoft-PowerPoi-1024x471.png 1024w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/a><\/div>\n<div><\/div>\n<div>\n<div>We cannot test these without the eye tracker, but they work exactly the same as any other trigger we have used e.g. keyboard trigger, timer etc.\u00a0The event that is happening stops when the trigger occurs and causes the next event to begin.<\/div>\n<\/div>\n<div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sometimes we may want to have the stimuli appear only after the participant has looked at a certain place on the screen. Gaze contingent boxes are often used at the beginning of trials to make sure that the participant starts the trial at the correct point on the screen.\u00a0Gaze contingent boundaries are also often used [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":189,"menu_order":5,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-205","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=205"}],"version-history":[{"count":5,"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/205\/revisions"}],"predecessor-version":[{"id":362,"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/205\/revisions\/362"}],"up":[{"embeddable":true,"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=\/wp\/v2\/pages\/189"}],"wp:attachment":[{"href":"http:\/\/wiki.psychwire.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}