{"id":13265,"date":"2024-07-04T18:38:04","date_gmt":"2024-07-04T18:38:04","guid":{"rendered":"https:\/\/dailyai.com\/?p=13265"},"modified":"2024-07-04T23:28:31","modified_gmt":"2024-07-04T23:28:31","slug":"new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis","status":"publish","type":"post","link":"https:\/\/dailyai.com\/de\/2024\/07\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\/","title":{"rendered":"Neues KI-System identifiziert Alzheimer-Krankheit erfolgreich durch Sprachanalyse"},"content":{"rendered":"<p><b>Durch die Analyse von Sprachmustern haben Forscher der Universit\u00e4t Boston ein KI-System entwickelt, das mit nahezu 80%-Genauigkeit vorhersagen kann, ob jemand mit leichter kognitiver Beeintr\u00e4chtigung innerhalb von sechs Jahren an Alzheimer erkranken wird.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Die <\/span><a href=\"https:\/\/alz-journals.onlinelibrary.wiley.com\/doi\/10.1002\/alz.13886\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Studie<\/span><\/a><span style=\"font-weight: 400;\">Die in der Fachzeitschrift Alzheimer's &amp; Dementia ver\u00f6ffentlichte Studie nutzt KI, um wertvolle diagnostische Informationen aus kognitiven Beurteilungen zu extrahieren und so die Alzheimer-Diagnose und damit auch die Behandlung zu beschleunigen.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Das KI-Modell des Teams erreichte eine Genauigkeit von 78,5% und eine Empfindlichkeit von 81,1% bei der Vorhersage des Fortschreitens einer leichten kognitiven Beeintr\u00e4chtigung (MCI) zur Alzheimer-Krankheit innerhalb eines Zeitraums von sechs Jahren. Damit \u00fcbertrifft es andere traditionelle und nicht-invasive Tests.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Entscheidend ist jedoch, dass sich das System ausschlie\u00dflich auf leicht zu beschaffende Daten st\u00fctzt: transkribierte Sprache aus kognitiven Bewertungen und grundlegende demografische Informationen wie Alter, Geschlecht und Bildungsniveau. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bei kognitiven Tests wie dem Boston Naming Test spricht ein Kliniker mit dem Patienten. Der Ton dieser Tests wird h\u00e4ufig zur weiteren Analyse aufgezeichnet.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Wir wollten vorhersagen, was in den n\u00e4chsten sechs Jahren passieren wird - und wir haben herausgefunden, dass wir diese Vorhersage mit relativ hoher Zuverl\u00e4ssigkeit und Genauigkeit treffen k\u00f6nnen. <\/span><a href=\"https:\/\/www.bu.edu\/articles\/2024\/new-ai-program-could-predict-alzheimers-disease\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">sagte Ioannis (Yannis) Paschalidis<\/span><\/a><span style=\"font-weight: 400;\">, Direktor des Rafik B. Hariri Institute for Computing and Computational Science &amp; Engineering der BU und einer der leitenden Forscher der Studie.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Wenn man vorhersagen kann, was passieren wird, hat man mehr M\u00f6glichkeiten und ein gr\u00f6\u00dferes Zeitfenster, um mit Medikamenten einzugreifen und zumindest zu versuchen, die Stabilit\u00e4t des Zustands zu erhalten und den \u00dcbergang zu schwereren Formen der Demenz zu verhindern.<\/span><\/p>\n<h2>Mehr \u00fcber die Studie<\/h2>\n<p><span style=\"font-weight: 400;\">Hier eine Aufschl\u00fcsselung, wie die Studie funktionierte:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Das Forschungsteam begann damit, Audioaufnahmen von kognitiven Bewertungen von 166 Teilnehmern zu sammeln, bei denen eine leichte kognitive Beeintr\u00e4chtigung diagnostiziert wurde. Anschlie\u00dfend verfolgten sie diese Personen \u00fcber einen Zeitraum von sechs Jahren, um festzustellen, bei wem die Alzheimer-Krankheit fortschritt und bei wem sie stabil blieb.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Das Team nutzte fortschrittliche Spracherkennungstechnologie, um die Audioaufnahmen zu transkribieren und die Daten f\u00fcr die Analyse vorzubereiten.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Anschlie\u00dfend wendeten die Forscher ausgefeilte Techniken zur Verarbeitung nat\u00fcrlicher Sprache an, um eine Vielzahl sprachlicher Merkmale und Muster zu extrahieren, von denen sie annahmen, dass sie m\u00f6glicherweise als Indikatoren f\u00fcr das Alzheimer-Risiko dienen k\u00f6nnten.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Anschlie\u00dfend nutzten sie die Sprachmerkmale und demografischen Informationen, um mehrere maschinelle Lernmodelle zu entwickeln.<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Diese KI-Modelle wurden entwickelt, um die Wahrscheinlichkeit vorherzusagen, dass eine bestimmte Person auf der Grundlage ihrer einzigartigen Sprachmuster und pers\u00f6nlichen Merkmale von einer leichten kognitiven Beeintr\u00e4chtigung zur Alzheimer-Krankheit fortschreiten w\u00fcrde.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Die Modelle erreichten eine Genauigkeit von 78,5% und eine Empfindlichkeit von 81,1% bei der Vorhersage, welche Teilnehmer innerhalb des sechsj\u00e4hrigen Studienzeitraums an Alzheimer erkranken w\u00fcrden.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In einer abschlie\u00dfenden Analyse ermittelte das Forschungsteam die kognitiven Tests mit der h\u00f6chsten Vorhersagekraft f\u00fcr das Alzheimer-Risiko, wie den Boston Naming Test, \u00c4hnlichkeitstests und die Wechsler Adult Intelligence Scale.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">\"Digital ist das neue Blut\", sagte Rhoda Au, Professorin an der Chobanian &amp; Avedisian School of Medicine der BU und Mitautorin der Studie.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Man kann sie sammeln, f\u00fcr das, was heute bekannt ist, analysieren, speichern und f\u00fcr das, was morgen neu auftaucht, neu analysieren.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Einer der interessantesten Aspekte der Studie war, dass bestimmte Teile der kognitiven Beurteilungen das zuk\u00fcnftige Alzheimer-Risiko besonders gut vorhersagen.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Unsere Analyse ergab, dass sich Untertests zu demografischen Fragen, der Boston Naming Test, \u00c4hnlichkeitstests und die Wechsler Adult Intelligence Scale als die wichtigsten Merkmale herausstellten, die die Leistung unseres Modells beeinflussten\", schreiben die Forscher.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dies k\u00f6nnte die Entwicklung von gezielteren kognitiven Beurteilungen erm\u00f6glichen und den Screening-Prozess weiter vereinfachen.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Die Ergebnisse sind zwar vielversprechend, aber die Forscher r\u00e4umen ein, dass eine weitere Validierung in gr\u00f6\u00dferen, vielf\u00e4ltigeren Populationen erforderlich ist.\u00a0<\/span><\/p>\n<h2>Spracherkennung kann die T\u00fcr zur Fr\u00fchdiagnose \u00f6ffnen<\/h2>\n<p><span style=\"font-weight: 400;\">Die Sprachanalyse hat sich als wertvolle Technik zur Vorhersage von Alzheimer und anderen Krankheiten erwiesen. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">In einem <\/span><a href=\"https:\/\/dailyai.com\/de\/2024\/01\/innovative-ai-tool-cognospeak-promises-faster-dementia-diagnosis\/\"><span style=\"font-weight: 400;\">Studie 2020<\/span><\/a><span style=\"font-weight: 400;\"> \u00c4hnlich wie in der Studie der Boston University haben die Forscher der University of Sheffield gezeigt, dass ihre KI in der Lage ist, zwischen Teilnehmern mit Alzheimer-Krankheit oder leichter kognitiver Beeintr\u00e4chtigung und solchen mit funktionellen kognitiven St\u00f6rungen oder gesunden Kontrollpersonen mit einer Genauigkeit von 86,7% zu unterscheiden.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Die Forscher von Klick Labs haben auch <\/span><a href=\"https:\/\/dailyai.com\/de\/2023\/10\/researchers-diagnose-diabetes-in-seconds-using-voice-recordings\/\"><span style=\"font-weight: 400;\">ein KI-Modell entwickelt<\/span><\/a><span style=\"font-weight: 400;\"> das Typ-2-Diabetes anhand kurzer Sprachaufnahmen von nur 6 bis 10 Sekunden erkennen kann. <\/span><span style=\"font-weight: 400;\">Diabetes im fortgeschrittenen Stadium kann die Stimme durch Nervensch\u00e4den, beeintr\u00e4chtigte Durchblutung und Mundtrockenheit beeintr\u00e4chtigen, was zu wahrnehmbaren Ver\u00e4nderungen f\u00fchrt.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In der Studie wurden 18.000 Aufnahmen analysiert, um subtile akustische Unterschiede zwischen Diabetikern und Nicht-Diabetikern festzustellen. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">In Kombination mit Faktoren wie Alter und BMI erreichte das Modell eine maximale Testgenauigkeit von 89% f\u00fcr Frauen und 86% f\u00fcr M\u00e4nner.<\/span><\/p>\n<p>Zusammengenommen beweisen diese Studien, dass KI-gest\u00fctzte nicht-invasive Tests und Diagnosemethoden zu einer schnelleren und wirksameren Behandlung f\u00fchren k\u00f6nnten, selbst wenn keine Fach\u00e4rzte und Ger\u00e4te zur Verf\u00fcgung stehen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Durch die Analyse von Sprachmustern haben Forscher der Universit\u00e4t Boston ein KI-System entwickelt, das mit einer Genauigkeit von fast 80% vorhersagen kann, ob jemand mit leichter kognitiver Beeintr\u00e4chtigung innerhalb von sechs Jahren an Alzheimer erkranken wird. Die Studie, die in der Fachzeitschrift Alzheimer's &amp; Dementia ver\u00f6ffentlicht wurde, nutzt KI, um wertvolle diagnostische Informationen aus kognitiven Beurteilungen zu extrahieren und so die Alzheimer-Diagnose und damit auch die Behandlung zu beschleunigen.  Das KI-Modell des Teams erreichte eine Genauigkeit von 78,5% und eine Empfindlichkeit von 81,1% bei der Vorhersage des Fortschreitens einer leichten kognitiven Beeintr\u00e4chtigung (MCI) zur Alzheimer-Krankheit innerhalb eines Zeitraums von sechs Jahren. Damit \u00fcbertrifft es andere traditionelle und nicht-invasive Tests. Entscheidend ist jedoch, dass sich das System auf<\/p>","protected":false},"author":2,"featured_media":13269,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[353,204,178],"class_list":["post-13265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics","tag-biology","tag-healthcare","tag-medicine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New AI system successfully identifies Alzheimer&#039;s disease using speech analysis | DailyAI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/de\/2024\/07\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New AI system successfully identifies Alzheimer&#039;s disease using speech analysis | DailyAI\" \/>\n<meta property=\"og:description\" content=\"By analyzing speech patterns, researchers at Boston University have developed an AI system that can predict with nearly 80% accuracy whether someone with mild cognitive impairment will develop Alzheimer&#8217;s disease within six years. The study, published in the journal Alzheimer&#8217;s &amp; Dementia, uses AI to extract valuable diagnostic information from cognitive assessments, accelerating Alzheimer\u2019s diagnosis and, in turn, treatment.\u00a0 The team&#8217;s AI model achieved an accuracy of 78.5% and a sensitivity of 81.1% in predicting progression from mild cognitive impairment (MCI) to Alzheimer&#8217;s disease within a six-year timeframe. This beats other traditional and non-invasive tests. Crucially, though, the system relies\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/de\/2024\/07\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-04T18:38:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-04T23:28:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/07\/DALL\u00b7E-2024-07-04-19.41.55-A-high-quality-landscape-image-of-an-AI-brain-analyzing-speech-patterns-to-identify-Alzheimers-disease.-The-scene-is-simple-and-futuristic-featurin.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1792\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Sam Jeans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:site\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/07\\\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/07\\\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\\\/\"},\"author\":{\"name\":\"Sam Jeans\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/#\\\/schema\\\/person\\\/711e81f945549438e8bbc579efdeb3c9\"},\"headline\":\"New AI system successfully identifies Alzheimer&#8217;s disease using speech analysis\",\"datePublished\":\"2024-07-04T18:38:04+00:00\",\"dateModified\":\"2024-07-04T23:28:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/07\\\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\\\/\"},\"wordCount\":764,\"publisher\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/07\\\/new-ai-model-successfully-identifies-alzheimers-disease-using-speech-analysis\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dailyai.com\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/DALL\u00b7E-2024-07-04-19.41.55-A-high-quality-landscape-image-of-an-AI-brain-analyzing-speech-patterns-to-identify-Alzheimers-disease.-The-scene-is-simple-and-futuristic-featurin.webp\",\"keywords\":[\"Biology\",\"Healthcare\",\"Medicine\"],\"articleSection\":[\"Ethics &amp; 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The study, published in the journal Alzheimer&#8217;s &amp; Dementia, uses AI to extract valuable diagnostic information from cognitive assessments, accelerating Alzheimer\u2019s diagnosis and, in turn, treatment.\u00a0 The team&#8217;s AI model achieved an accuracy of 78.5% and a sensitivity of 81.1% in predicting progression from mild cognitive impairment (MCI) to Alzheimer&#8217;s disease within a six-year timeframe. This beats other traditional and non-invasive tests. 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