{"id":31411,"date":"2025-08-01T12:30:13","date_gmt":"2025-08-01T17:30:13","guid":{"rendered":"https:\/\/www.sr-research.com\/?page_id=31411"},"modified":"2025-08-05T14:13:01","modified_gmt":"2025-08-05T19:13:01","slug":"eeg-eye-tracking-and-self-paced-visual-perception","status":"publish","type":"page","link":"https:\/\/www.sr-research.com\/zh\/case-studies\/eeg-eye-tracking-and-self-paced-visual-perception\/","title":{"rendered":"\u8111\u7535\u56fe\u3001\u773c\u52a8\u8ffd\u8e2a\u548c\u81ea\u5b9a\u6b65\u8c03\u89c6\u89c9\u611f\u77e5"},"content":{"rendered":"<style>.wp-block-kadence-column.kb-section-dir-horizontal > .kt-inside-inner-col > .kt-info-box31411_28d8ce-be .kt-blocks-info-box-link-wrap{max-width:unset;}.kt-info-box31411_28d8ce-be .kt-blocks-info-box-link-wrap{border-top:0px solid #ffffff;border-right:0px solid #ffffff;border-bottom:0px solid #ffffff;border-left:0px solid #ffffff;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;background:#ffffff;padding-top:0px;padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-xs, 1rem);padding-left:var(--global-kb-spacing-xs, 1rem);}.kt-info-box31411_28d8ce-be .kadence-info-box-icon-container .kt-info-svg-icon, .kt-info-box31411_28d8ce-be .kt-info-svg-icon-flip, .kt-info-box31411_28d8ce-be .kt-blocks-info-box-number{font-size:50px;}.kt-info-box31411_28d8ce-be .kt-blocks-info-box-media{color:#006cff;border-radius:200px;overflow:hidden;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:-40px;}.kt-info-box31411_28d8ce-be .kt-blocks-info-box-media .kadence-info-box-image-intrisic img{border-radius:200px;}.kt-info-box31411_28d8ce-be .kt-infobox-textcontent h2.kt-blocks-info-box-title{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;margin-top:5px;margin-right:0px;margin-bottom:10px;margin-left:0px;}.kt-info-box31411_28d8ce-be .kt-blocks-info-box-learnmore{background:transparent;border-width:0px 0px 0px 0px;padding-top:4px;padding-right:8px;padding-bottom:4px;padding-left:8px;margin-top:10px;margin-right:0px;margin-bottom:10px;margin-left:0px;}@media all and (max-width: 1024px){.kt-info-box31411_28d8ce-be .kt-blocks-info-box-link-wrap{border-top:0px solid #ffffff;border-right:0px solid #ffffff;border-bottom:0px solid #ffffff;border-left:0px solid #ffffff;}}@media all and (max-width: 767px){.kt-info-box31411_28d8ce-be .kt-blocks-info-box-link-wrap{border-top:0px solid #ffffff;border-right:0px solid #ffffff;border-bottom:0px solid #ffffff;border-left:0px solid #ffffff;}}<\/style>\n<div class=\"wp-block-kadence-infobox kt-info-box31411_28d8ce-be\"><span class=\"kt-blocks-info-box-link-wrap info-box-link kt-blocks-info-box-media-align-left kt-info-halign-left\"><div class=\"kt-blocks-info-box-media-container\"><div class=\"kt-blocks-info-box-media kt-info-media-animate-none\"><div class=\"kadence-info-box-icon-container kt-info-icon-animate-none\"><div class=\"kadence-info-box-icon-inner-container\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_bookOpen kt-info-svg-icon\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z\"\/><path d=\"M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z\"\/><\/svg><\/span><\/div><\/div><\/div><\/div><div class=\"kt-infobox-textcontent\"><h2 class=\"kt-blocks-info-box-title\">CASE STUDY: Neural Mechanisms Determining the Duration of Task-Free, Self-Paced Visual Perception<\/h2><p class=\"kt-blocks-info-box-text\"><\/p><\/div><\/span><\/div>\n\n\n<style>.kb-image31411_01eb8c-7c .kb-image-has-overlay:after{opacity:0.3;}.kb-image31411_01eb8c-7c img.kb-img, .kb-image31411_01eb8c-7c .kb-img img{box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}<\/style>\n<div class=\"wp-block-kadence-image kb-image31411_01eb8c-7c\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"853\" src=\"https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-scaled.jpg\" alt=\"EEG, Eye Tracking, and Scene Perception\" class=\"kb-img wp-image-31444\" srcset=\"https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-18x6.jpg 18w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-300x100.jpg 300w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-768x256.jpg 768w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-1024x341.jpg 1024w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-1536x512.jpg 1536w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-2048x683.jpg 2048w, https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-scaled.jpg 2560w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure><\/div>\n\n\n\n<p>The paper &#8220;<a href=\"https:\/\/doi.org\/10.1167\/jov.23.9.5108\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Neural mechanisms determining the duration of task-free, self-paced visual perception<\/strong><\/a>,&#8221; by Baror, Baumgarten, and He (2024) presents a compelling investigation into the underpinnings of how humans spontaneously engage with visual content. A crucial element in their methodology, alongside electroencephalography (EEG), was the rigorous application of eye-tracking technology. This case study highlights the indispensable role of eye-tracking in enabling the researchers to achieve their aims, specifically in controlling for artifacts, characterizing pupillary dynamics, and dissociating various neural correlates.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94, .wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94[data-kb-block=\"kb-adv-heading31411_e70b84-94\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94[data-kb-block=\"kb-adv-heading31411_e70b84-94\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading31411_e70b84-94[data-kb-block=\"kb-adv-heading31411_e70b84-94\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading31411_e70b84-94 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading31411_e70b84-94\">Benefit of Eye Tracking with EEG Research<\/h2>\n\n\n\n<p>One of the primary challenges in EEG research is minimizing artifacts that can obscure genuine neural signals. In this study, participants were instructed to maintain eye fixation to mitigate EEG and eye-tracking artifacts. Eye-tracking played a vital role in ensuring compliance with this instruction. By continuously monitoring eye movements, the researchers could identify and exclude trials where fixation was not maintained, thus preserving the integrity of the EEG data. This meticulous control was essential for the spatio-temporal pattern similarity (STPS) analysis, which relies on stable neural activity.<\/p>\n\n\n\n<p>Beyond artifact control, eye-tracking allowed for the precise characterization of pupillary dynamics, which were investigated as an independent physiological measure correlated with self-paced viewing duration. The researchers utilized an SR Research <strong><a href=\"https:\/\/www.sr-research.com\/eyelink-1000-plus\/\">EyeLink 1000<\/a><\/strong> eye tracker system, recording at 1000 Hz, and implemented 9-point calibration and validation at the beginning of each block. This high-resolution and consistent calibration enabled accurate measurement of pupil size changes.<\/p>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e, .wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e[data-kb-block=\"kb-adv-heading31411_0f42fa-2e\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e[data-kb-block=\"kb-adv-heading31411_0f42fa-2e\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading31411_0f42fa-2e[data-kb-block=\"kb-adv-heading31411_0f42fa-2e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2 class=\"kt-adv-heading31411_0f42fa-2e wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading31411_0f42fa-2e\">Pupillary Responses Linked to Decision to Terminate Viewing<\/h2>\n\n\n\n<p>The study found that spontaneous viewing duration positively correlated with pupil size at image offset, and pupil size change from prestimulus baseline. This finding suggests a link between pupillary responses\u2014often indicative of arousal and cognitive effort\u2014and the conscious decision to terminate viewing. The ability to record and analyze these subtle pupillary changes provided a critical, independent line of evidence that complemented the EEG findings.<\/p>\n\n\n\n<p>Furthermore, eye-tracking contributed significantly to the study&#8217;s ability to dissociate neural and pupillary correlates associated with serial order and spontaneous viewing duration. While serial order was predominantly correlated with baseline pupil size, spontaneous viewing duration was primarily correlated with pupil size change from prestimulus baseline, measured at stimulus offset. This &#8220;double dissociation&#8221; underscores the distinct underlying mechanisms. Without precise eye-tracking data, distinguishing these separate contributions of spontaneous viewing duration and serial order would have been far more challenging, if not impossible. The clear distinction made possible by eye-tracking allowed the researchers to propose that neural and pupillary correlates represent different neural machinery, with pupillary correlates possibly reflecting subcortical neuromodulatory systems less sensitive to scalp-EEG.<\/p>\n\n\n\n<p>In conclusion, the integration of high-speed eye-tracking in Baror, Baumgarten, and He&#8217;s research was fundamental to its success. It provided a robust mechanism for artifact control, enabled the detailed analysis of pupillary responses as a valuable physiological marker, and facilitated the crucial dissociation of various behavioral and neural correlates. This study serves as an excellent example of how advanced eye-tracking technology, when seamlessly integrated with neurophysiological measures, can provide deeper insights into the complex dynamics of naturalistic human perception.<\/p>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-31411_bd9792-bf .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-31411_bd9792-bf .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:50%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-31411_bd9792-bf\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5, .wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5[data-kb-block=\"kb-adv-heading31411_d873c8-a5\"]{text-align:center;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5[data-kb-block=\"kb-adv-heading31411_d873c8-a5\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading31411_d873c8-a5[data-kb-block=\"kb-adv-heading31411_d873c8-a5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<p class=\"kt-adv-heading31411_d873c8-a5 wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading31411_d873c8-a5\">For information regarding how eye tracking can help your research, check out our solutions and product pages or contact us. We are happy to help!<\/p>\n\n\n<div class=\"mai-columns has-xl-margin-top has-xl-margin-bottom\"><div class=\"mai-columns-wrap has-columns\" style=\"--column-gap:var(--spacing-xxxxl);--row-gap:var(--spacing-xl);--align-columns:start;--align-columns-vertical:center;\">\n<div class=\"mai-column is-column\" style=\"--columns-xs:1\/1;--flex-xs:0 0 var(--flex-basis);--columns-sm:1\/1;--flex-sm:0 0 var(--flex-basis);--columns-md:1\/3;--flex-md:0 0 var(--flex-basis);--columns-lg:1\/3;--flex-lg:0 0 var(--flex-basis);--justify-content:start;\">\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link button button-secondary wp-element-button\" href=\"https:\/\/www.sr-research.com\/solutions\/\">Solutions<\/a><\/div>\n<\/div>\n\n<\/div>\n\n<div class=\"mai-column is-column\" style=\"--columns-xs:1\/1;--flex-xs:0 0 var(--flex-basis);--columns-sm:1\/1;--flex-sm:0 0 var(--flex-basis);--columns-md:1\/3;--flex-md:0 0 var(--flex-basis);--columns-lg:1\/3;--flex-lg:0 0 var(--flex-basis);--justify-content:start;\">\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link button button-secondary wp-element-button\" href=\"https:\/\/www.sr-research.com\/hardware\/\">Products<\/a><\/div>\n<\/div>\n\n<\/div>\n\n<div class=\"mai-column is-column\" style=\"--columns-xs:1\/1;--flex-xs:0 0 var(--flex-basis);--columns-sm:1\/1;--flex-sm:0 0 var(--flex-basis);--columns-md:1\/3;--flex-md:0 0 var(--flex-basis);--columns-lg:1\/3;--flex-lg:0 0 var(--flex-basis);--justify-content:start;\">\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link button button-secondary wp-element-button\" href=\"https:\/\/www.sr-research.com\/get-in-touch\/\">Get in Touch<\/a><\/div>\n<\/div>\n\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The paper &#8220;Neural mechanisms determining the duration of task-free, self-paced visual perception,&#8221; by Baror, Baumgarten, and He (2024) presents a compelling investigation into the underpinnings of how humans spontaneously engage with visual content. A crucial element in their methodology, alongside electroencephalography (EEG), was the rigorous application of eye-tracking technology. This case study highlights the indispensable &hellip;<\/p>","protected":false},"author":3,"featured_media":0,"parent":30161,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"class_list":{"1":"page","2":"type-page","5":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>EEG, Eye-Tracking, and Self-Paced Visual Perception - Fast, Accurate, Reliable Eye Tracking<\/title>\n<meta name=\"description\" content=\"EEG and eye tracking study shows pupillary responses linked to decision to terminate viewing while free viewing natural scenes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sr-research.com\/zh\/case-studies\/eeg-eye-tracking-and-self-paced-visual-perception\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EEG, Eye-Tracking, and Self-Paced Visual Perception\" \/>\n<meta property=\"og:description\" content=\"EEG and eye tracking study shows pupillary responses linked to decision to terminate viewing while free viewing natural scenes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sr-research.com\/zh\/case-studies\/eeg-eye-tracking-and-self-paced-visual-perception\/\" \/>\n<meta property=\"og:site_name\" content=\"Fast, Accurate, Reliable Eye Tracking\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SR-Research-Ltd-640093842854433\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-05T19:13:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sr-research.com\/wp-content\/uploads\/2025\/07\/eeg-eye-tracking-scenes-1.0-scaled.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@SRResearchLtd\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/case-studies\\\/eeg-eye-tracking-and-self-paced-visual-perception\\\/\",\"url\":\"https:\\\/\\\/www.sr-research.com\\\/case-studies\\\/eeg-eye-tracking-and-self-paced-visual-perception\\\/\",\"name\":\"EEG, Eye-Tracking, and Self-Paced Visual Perception - 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