{"id":3525,"date":"2026-04-03T18:02:06","date_gmt":"2026-04-03T16:02:06","guid":{"rendered":"https:\/\/5senses4kids.org\/en\/?p=3525"},"modified":"2026-04-07T16:32:35","modified_gmt":"2026-04-07T14:32:35","slug":"project-unraveling-variability-in-young-childrens-brain-responses-to-varied-sensory-stimulations","status":"publish","type":"post","link":"https:\/\/5senses4kids.org\/en\/project-unraveling-variability-in-young-childrens-brain-responses-to-varied-sensory-stimulations\/","title":{"rendered":"Project &#8220;Unraveling variability in young children&#8217;s brain responses to varied sensory stimulations&#8221;"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-center container has-text-color\" style=\"color:#3c7a95;font-size:50px\"><strong><strong>Project: Unraveling Variability in Young Children&#8217;s Brain Responses to Various Sensory Stimuli<\/strong><\/strong><\/h1>\n\n\n\n<div style=\"height:150px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading container has-text-color has-link-color has-medium-font-size wp-elements-8d3e6818396d7f1530f8cc8f1c091224\" style=\"color:#3c7a95\"><strong>2025 First Prize for Scientific Research from the &#8220;5 Senses for Kids Foundation&#8221; in partnership with the Society for Neuroscience<\/strong><\/h2>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n                    <iframe loading=\"lazy\" \r\n                        width=\"100%\" \r\n                        height=\"800\" \r\n                        id=\"\" \r\n                        class=\"dgwww_video_youtube \" \r\n                        src=\"https:\/\/www.youtube.com\/embed\/irz6MJOjkJM?autoplay=1&mute=1&loop=1&color=white&playlist=irz6MJOjkJM\" \r\n                        title=\"\" \r\n                        frameborder=\"0\" \r\n                        allow=\"accelerometer ; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share ;mute ;loop\" \r\n                        allowfullscreen=\"\"\r\n                    ><\/iframe>\n\n\n\n<p class=\"container has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"container has-text-color has-link-color has-medium-font-size wp-elements-8a7c4207d146bee41c8e338ff5fac472 wp-block-paragraph\" style=\"color:#3c7a95\">This project was conducted by <strong>Marianne Latinus of <\/strong><strong>INSERM, the University of Tours, and the iBraiN Laboratory<\/strong>. The title of her project is <strong>\u201cUnraveling variability in young children\u2019s brain responses to varied sensory stimulations.\u201d<\/strong> The work presented is one of the first studies to examine sensory processing in early childhood across three different sensory modalities using an individual-level approach.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large is-resized container\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover\"><a class=\"wpcp-wp-lightbox-image-link\" href=\"https:\/\/5senses4kids.org\/wp-content\/uploads\/2026\/04\/Marianne-Latinus-683x1024.png\" data-wpcp-wp-lb-image=\"1\"><img decoding=\"async\" src=\"https:\/\/5senses4kids.org\/wp-content\/uploads\/2026\/04\/Marianne-Latinus-683x1024.png\" alt=\"\" class=\"wp-image-9718\" style=\"width:769px;height:auto\" \/><\/a><a href=\"https:\/\/5senses4kids.org\/wp-content\/uploads\/2026\/04\/Marianne-Latinus-683x1024.png\" data-fancybox=\"wpcp-wp-img-9718\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/5senses4kids.org\/wp-content\/uploads\/2026\/04\/Marianne-Latinus-683x1024.png\" data-wpcp-lb-single=\"1\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">\u00a9 Inserm \/ Fran\u00e7ois Gu\u00e9net<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-26805bcdce889bcae0dfee4727977079\" style=\"color:#3c7a95\"><strong>Objectives<\/strong><\/h2>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-fc99e51e205eb94a4eb7443fa8586e0f wp-block-paragraph\" style=\"color:#3c7a95\">The objective of this study is to better understand the variability of brain responses to sensory stimuli in early childhood, a key period of cognitive and social development. We sought to objectively characterize individual multisensory profiles using electroencephalography (EEG)<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-c5bf0c0165fc4cecb742e35a26987b81 wp-block-paragraph\" style=\"color:#3c7a95\"><strong><strong>Project Description<\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-ba760f2918dcbcc84947d57aaf432039 wp-block-paragraph\" style=\"color:#3c7a95\">We recorded the brain activity of 23 children aged 2.5 to 5 years and 11 months without neurodevelopmental disorders in response to different types of sensory stimuli: visual, auditory, and somatosensory. These stimuli included both simple (low-level) signals, complex stimuli, and stimuli with social content. The evoked responses (ERPs\u2014evoked potentials) are then analyzed to identify sensory profiles and assess individual differences in the neural processing of stimuli.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-fbd0d24178e8a1a472cab5b9ab26fb7d wp-block-paragraph\" style=\"color:#3c7a95\"><strong><strong>Measurement Method<\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-d6ab64ce7ffe3c22836f5ea0dfac1724 wp-block-paragraph\" style=\"color:#3c7a95\">The EEG records the brain\u2019s spontaneous electrical activity measured at the scalp level using a cap fitted with electrodes. The EEG offers very high temporal resolution and has the advantage of being non-invasive and minimally intrusive.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-f958dd8a0ed2d4ee291ba4f259c6ddcb wp-block-paragraph\" style=\"color:#3c7a95\">We analyzed the evoked potentials (EPs) obtained after extracting and averaging the responses evoked by each sensory stimulus.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-00325837fe69325a87e10c6e599ee152 wp-block-paragraph\" style=\"color:#3c7a95\">EPs measure the brain response evoked by the presentation of specific stimuli and allow for the study of its temporal course. The EP method is based on the principle of averaging the brain response evoked by multiple repetitions of the same stimulus. This increases the signal-to-noise ratio, i.e., reduces the random variation present in each isolated response\u2014known as noise\u2014and thus increases the portion of the signal corresponding to the brain response specific to the presented stimulus. An ERP is characterized by different components (signal deflections) that serve as indicators of brain activity. Two main characteristics describe these components: latency (in ms), the time interval after stimulus presentation during which the signal deflection appears, and amplitude (in \u03bcV), the variation in activity relative to a baseline.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-3ceb7758596cec0ff4d2c11f22ff9748 wp-block-paragraph\" style=\"color:#3c7a95\">Inter-trial consistency is a measure of the variability of brain responses within the same individual. The principle of EP is based on the idea that the same sensory stimulation produces the same brain response; inter-trial consistency measures the validity of this assumption. <\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-d664d4fc44479416f44323c49604e6c3 wp-block-paragraph\" style=\"color:#3c7a95\">Evoked potentials and inter-trial coherence were measured for each child and for each condition. A cluster analysis was then applied to group children with similar neurophysiological profiles.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class=\"wpcp-wp-lightbox-host wpcp-advanced-image-lightbox-icon-hover\"><a class=\"wpcp-wp-lightbox-image-link\" href=\"https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25.jpg\" data-wpcp-wp-lb-image=\"1\"><img decoding=\"async\" width=\"2000\" height=\"1414\" src=\"https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25.jpg\" alt=\"\" class=\"wp-image-3535\" srcset=\"https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25.jpg 2000w, https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25-300x212.jpg 300w, https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25-1024x724.jpg 1024w, https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25-768x543.jpg 768w, https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25-1536x1086.jpg 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/a><a href=\"https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25.jpg\" data-fancybox=\"wpcp-wp-img-3535\" class=\"wpcp-lightbox-trigger wpcp-advanced-image-lightbox-icon wpcp-position-top-right wpcp-advanced-image-lightbox-icon-hover wpcp-global-lightbox-icon wpcp-lightbox-icon--global wpcp-lb-icon-style-default\" data-wpcp-lb-icon-source=\"global\" aria-label=\"Open image in lightbox\" data-thumb-src=\"https:\/\/5senses4kids.org\/en\/wp-content\/uploads\/sites\/2\/2026\/04\/Design-sans-titre-25-300x212.jpg\" data-wpcp-lb-single=\"1\"><span class=\"wpcp-icon-container\"><svg viewBox=\"0 0 20 20\"><path d=\"M17.6585 16.025L14.2437 12.6198C15.1716 11.3338 15.6121 9.7613 15.4871 8.1819C15.362 6.60251 14.6795 5.11847 13.5607 3.99351C12.936 3.36206 12.1916 2.86066 11.3709 2.51845C10.5502 2.17623 9.66952 2 8.77995 2C7.89039 2 7.00969 2.17623 6.18899 2.51845C5.36829 2.86066 4.62395 3.36206 3.99919 3.99351C3.36594 4.61649 2.86312 5.35871 2.51992 6.17708C2.17673 6.99545 2 7.87365 2 8.76068C2 9.64772 2.17673 10.5259 2.51992 11.3443C2.86312 12.1627 3.36594 12.9049 3.99919 13.5279C5.11957 14.6901 6.62279 15.4103 8.23285 15.5562C9.84291 15.7022 11.4517 15.2641 12.7639 14.3224L16.1788 17.7275C16.3849 17.9034 16.6473 18 16.9186 18C17.1899 18 17.4523 17.9034 17.6585 17.7275C18.1138 17.16 18.1138 16.5925 17.6585 16.025ZM5.59278 12.0523C5.16258 11.6298 4.82094 11.1263 4.58774 10.5709C4.35455 10.0156 4.23446 9.41951 4.23446 8.81744C4.23446 8.21536 4.35455 7.6193 4.58774 7.06394C4.82094 6.50859 5.16258 6.00503 5.59278 5.58257C6.01644 5.15359 6.52144 4.81292 7.07838 4.58039C7.63532 4.34786 8.23308 4.22811 8.83687 4.22811C9.44066 4.22811 10.0384 4.34786 10.5954 4.58039C11.1523 4.81292 11.6573 5.15359 12.081 5.58257C12.5112 6.00503 12.8528 6.50859 13.086 7.06394C13.3192 7.6193 13.4393 8.21536 13.4393 8.81744C13.4393 9.41951 13.3192 10.0156 13.086 10.5709C12.8528 11.1263 12.5112 11.6298 12.081 12.0523C11.6573 12.4813 11.1523 12.822 10.5954 13.0545C10.0384 13.287 9.44066 13.4068 8.83687 13.4068C8.23308 13.4068 7.63532 13.287 7.07838 13.0545C6.52144 12.822 6.01644 12.4813 5.59278 12.0523Z\" \/><\/svg><\/span><\/a><\/div><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-44706596321052dc4a3b5651a23f7ae4\" style=\"color:#3c7a95\"><strong><strong>Impact \/ Expected Results<\/strong><\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-622abe4373042b04477e4078d3d03458 wp-block-paragraph\" style=\"color:#3c7a95\">The results revealed the existence of three profiles of children differing primarily in their processing of complex visual and auditory information (e.g., images of instruments, instrument sounds). The different profiles observed do not depend solely on chronological age, but rather on the variability of brain responses, which better capture brain (im)maturity and the efficiency of brain processing. These results contribute to a better understanding of the diversity of neurodevelopmental trajectories.  <\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-a099a27a678ef91fb2788e88987c9c42 wp-block-paragraph\" style=\"color:#3c7a95\">This study demonstrates that EEG is a powerful tool for assessing children\u2019s developmental profiles, which could be particularly valuable in the study of neurodevelopmental disorders and the monitoring of children with such disorders. This work provides a major scientific foundation for the idea that children develop at different rates and that chronological age is not the only factor, suggesting that these developmental differences should be taken into account in the daily care of children.<\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-medium-font-size wp-elements-c6abd119e007f5b7ac03e84ec688425d wp-block-paragraph\" style=\"color:#3c7a95\"><\/p>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Project: Unraveling Variability in Young Children&#8217;s Brain Responses to Various Sensory Stimuli<\/p>\n","protected":false},"author":9,"featured_media":3539,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[17],"tags":[],"class_list":["post-3525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Project: Unraveling Variability in Young Children&#039;s Brain Responses to Various Sensory Stimuli<\/title>\n<meta name=\"description\" content=\"One of the first studies to examine sensory processing in early childhood across three different sensory modalities using an individual-level approach.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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