[{"data":1,"prerenderedAt":335},["ShallowReactive",2],{"storyblokStory:en/insights/news/archive/discover-spg-enabling-precision-health-monitoring/?lang=en&version=published":3},{"story":4,"resolvedLinks":334},{"name":5,"created_at":6,"published_at":7,"updated_at":8,"id":9,"uuid":10,"content":11,"slug":326,"full_slug":327,"sort_by_date":14,"position":328,"tag_list":329,"is_startpage":30,"parent_id":330,"meta_data":14,"group_id":331,"first_published_at":7,"release_id":14,"lang":332,"path":14,"alternates":333,"default_full_slug":14,"translated_slugs":14},"Discover SPG: Enabling precision health monitoring  ","2026-04-20T12:03:22.452Z","2026-05-04T13:50:32.915Z","2026-05-04T13:50:32.947Z",167923722083514,"d2fd646e-0985-44d6-84c3-bad277ba4df7",{"_uid":12,"ogImage":13,"ogTitle":15,"sections":18,"component":313,"metaTitle":15,"metaRobots":314,"ogSitename":15,"tagsDomain":315,"searchTitle":5,"metaKeywords":15,"overviewText":15,"metaCanonical":316,"ogDescription":15,"overviewImage":319,"overviewTitle":15,"metaDescription":15,"overviewCaption":15,"overviewEndDate":323,"overviewStartDate":324,"searchDescription":15,"overviewExternalLink":325},"da5d3758-fede-4f7c-9d13-e17eaeaaa0ca",{"id":14,"alt":14,"name":15,"focus":14,"title":14,"source":14,"filename":15,"copyright":14,"fieldtype":16,"meta_data":17},null,"","asset",{},[19],{"_uid":20,"component":21,"components":22,"containerWidth":310,"containerSpacingMarginX":311,"containerSpacingMarginY":312},"54e8274c-3ada-4eb4-8ade-7c6a186df902","section-content",[23,41,125,239],{"_uid":24,"text":25,"image":26,"width":31,"anchor":15,"overlay":30,"component":32,"linkStyle":33,"textAlign":34,"aspectRatio":35,"contentWidth":36,"contentJustify":37,"contentBackgroundColor":38,"contentSpacingPaddingX":39,"contentSpacingPaddingY":40},"9baee84e-a2b4-4320-8ae6-439ad5aa95d4","DISCOVER SPG: ENABLING PRECISION HEALTH MONITORING",{"id":27,"alt":15,"name":15,"focus":15,"title":15,"source":15,"filename":28,"copyright":15,"fieldtype":16,"meta_data":29,"is_external_url":30},167923599628698,"//a.storyblok.com/f/289273820865604/2f9aa25019/spgimec-1.jpg",{},false,"full","content-banner-image","blue","left","16:9","md","start","none","px-4 px-md-0","py-8 py-sm-16",{"_uid":42,"text":43,"anchor":15,"formId":15,"component":122,"linkStyle":33,"textAlign":34,"background":38,"componentWidth":123,"componentJustify":124,"contentSpacingPaddingX":39,"contentSpacingPaddingY":40},"35805303-1500-408d-8b6e-993dce44c427",{"type":44,"content":45},"doc",[46,104],{"type":47,"content":48},"paragraph",[49,56,63,68,74,79,87,93,98],{"text":50,"type":51,"marks":52},"At ","text",[53],{"type":54,"attrs":55},"textStyle",{"color":15},{"text":57,"type":51,"marks":58},"Holst Centre",[59,61],{"type":60},"bold",{"type":54,"attrs":62},{"color":15},{"text":64,"type":51,"marks":65},", we're always exploring new ways to make ",[66],{"type":54,"attrs":67},{"color":15},{"text":69,"type":51,"marks":70},"health monitoring smarter",[71,72],{"type":60},{"type":54,"attrs":73},{"color":15},{"text":75,"type":51,"marks":76},", more accurate, and more comfortable. One of the most promising technologies we’re working on with imec at Holst Centre is something called ",[77],{"type":54,"attrs":78},{"color":15},{"text":80,"type":51,"marks":81},"Speckle Plethysmography",[82,83,85],{"type":60},{"type":84},"italic",{"type":54,"attrs":86},{"color":15},{"text":88,"type":51,"marks":89},",",[90,91],{"type":60},{"type":54,"attrs":92},{"color":15},{"text":94,"type":51,"marks":95}," or SPG. It might sound complex but its potential to improve ",[96],{"type":54,"attrs":97},{"color":15},{"text":99,"type":51,"marks":100},"how we track vital signs is truly exciting. ",[101,102],{"type":60},{"type":54,"attrs":103},{"color":15},{"type":47,"content":105},[106,111,117],{"text":107,"type":51,"marks":108},"You may not realize it, but many of today’s wearables like smartwatches or fingertip oximeters already use light to monitor your health. This technique is known as ",[109],{"type":54,"attrs":110},{"color":15},{"text":112,"type":51,"marks":113},"photoplethysmography (PPG)",[114,115],{"type":60},{"type":54,"attrs":116},{"color":15},{"text":118,"type":51,"marks":119},". 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It can struggle with ",[153],{"type":54,"attrs":154},{"color":15},{"text":156,"type":51,"marks":157},"accuracy",[158,159],{"type":60},{"type":54,"attrs":160},{"color":15},{"text":162,"type":51,"marks":163}," due to ",[164],{"type":54,"attrs":165},{"color":15},{"text":167,"type":51,"marks":168},"external light interference",[169,170],{"type":60},{"type":54,"attrs":171},{"color":15},{"text":173,"type":51,"marks":174}," or even variations in skin tone. In fact, during the COVID-19 pandemic, some people with darker skin received misleadingly high oxygen readings, which in some cases led to delayed medical care. ",[175],{"type":54,"attrs":176},{"color":15},{"type":47,"content":178},[179,184,190,195,201,206,212,217,223,228,234],{"text":180,"type":51,"marks":181},"This is where",[182],{"type":54,"attrs":183},{"color":15},{"text":185,"type":51,"marks":186}," imec at Holst Centre is helping ",[187,188],{"type":60},{"type":54,"attrs":189},{"color":15},{"text":191,"type":51,"marks":192},"SPG technology shine. Like PPG, SPG tracks your vital signs ",[193],{"type":54,"attrs":194},{"color":15},{"text":196,"type":51,"marks":197},"using",[198,199],{"type":60},{"type":54,"attrs":200},{"color":15},{"text":202,"type":51,"marks":203}," light, but instead of measuring ",[204],{"type":54,"attrs":205},{"color":15},{"text":207,"type":51,"marks":208},"absorption",[209,210],{"type":60},{"type":54,"attrs":211},{"color":15},{"text":213,"type":51,"marks":214},", it looks at ",[215],{"type":54,"attrs":216},{"color":15},{"text":218,"type":51,"marks":219},"how light scatters in the skin. ",[220,221],{"type":60},{"type":54,"attrs":222},{"color":15},{"text":224,"type":51,"marks":225},"This seemingly small change makes a big difference:",[226],{"type":54,"attrs":227},{"color":15},{"text":229,"type":51,"marks":230}," SPG is more resistant to ambient light issues and offers more consistent readings across all skin tone",[231,232],{"type":60},{"type":54,"attrs":233},{"color":15},{"text":235,"type":51,"marks":236},"s. ",[237],{"type":54,"attrs":238},{"color":15},{"_uid":240,"text":241,"anchor":15,"formId":15,"component":122,"linkStyle":33,"textAlign":34,"background":38,"componentWidth":123,"componentJustify":124,"contentSpacingPaddingX":39,"contentSpacingPaddingY":40},"71e2861e-ca95-4f90-bdbe-c0651034892d",{"type":44,"content":242},[243,260,289,290],{"type":244,"attrs":245,"content":247},"heading",{"level":246},5,[248,254],{"text":249,"type":51,"marks":250},"Looking ahead: A healthier future without wires",[251,252],{"type":60},{"type":54,"attrs":253},{"color":15},{"text":255,"type":51,"marks":256}," ",[257],{"type":54,"attrs":258},{"color":259},"windowtext",{"type":47,"content":261},[262,267,273,278,284],{"text":263,"type":51,"marks":264},"What’s next? ",[265],{"type":54,"attrs":266},{"color":15},{"text":268,"type":51,"marks":269},"Think contactless",[270,271],{"type":60},{"type":54,"attrs":272},{"color":15},{"text":274,"type":51,"marks":275},". Researchers at imec at Holst Centre are already experimenting with remote SPG, ",[276],{"type":54,"attrs":277},{"color":15},{"text":279,"type":51,"marks":280},"monitoring vital signs, no physical contact needed. ",[281,282],{"type":60},{"type":54,"attrs":283},{"color":15},{"text":285,"type":51,"marks":286},"Imagine monitoring a newborn’s breathing in an incubator without wires or gently checking on a sleeping patient without waking them. ",[287],{"type":54,"attrs":288},{"color":15},{"type":47},{"type":47,"content":291},[292,298,303],{"text":293,"type":51,"marks":294},"SPG is still in the research and development phase. ",[295,296],{"type":60},{"type":54,"attrs":297},{"color":15},{"text":299,"type":51,"marks":300},"It will take further testing and clinical validation before it’s ready for widespread use. But at imec at Holst Centre, we believe it has important potential to make ",[301],{"type":54,"attrs":302},{"color":15},{"text":304,"type":51,"marks":305},"health monitoring more inclusive, more comfortable, and more accurate for everyone. ",[306,307,308],{"type":60},{"type":84},{"type":54,"attrs":309},{"color":15},"contain","mx-0","my-4 my-sm-8 my-lg-12","page-content",[],[],{"id":15,"url":15,"linktype":317,"fieldtype":318,"cached_url":15},"story","multilink",{"id":320,"alt":15,"name":15,"focus":15,"title":15,"source":15,"filename":321,"copyright":15,"fieldtype":16,"meta_data":322,"is_external_url":30},167923682437561,"//a.storyblok.com/f/289273820865604/8eb43b1461/spgimec-1.jpg",{},"2200-01-01 00:00","2025-05-01 12:36",{"id":15,"url":15,"linktype":317,"fieldtype":318,"cached_url":15},"discover-spg-enabling-precision-health-monitoring","en/insights/news/archive/discover-spg-enabling-precision-health-monitoring",30,[],166867654310808,"4d89eff7-4ae8-4386-bee4-a33024684bdb","default",[],[],1781873783471]