Titre : Cognition

Cognition : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sample Size
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"name": "Cognition", "alternateName": "Cognition", "code": { "@type": "MedicalCode", "code": "D003071", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Nicola J Gates", "url": "https://questionsmedicales.fr/author/Nicola%20J%20Gates", "affiliation": { "@type": "Organization", "name": "Centre for Healthy Brain Ageing (CHeBA), University of New South Wales, Suite 407 185 Elizabeth Street, Sydney, NSW, Australia, 2000." } }, { "@type": "Person", "name": "Anne Ws Rutjes", "url": "https://questionsmedicales.fr/author/Anne%20Ws%20Rutjes", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Marcello Di Nisio", "url": "https://questionsmedicales.fr/author/Marcello%20Di%20Nisio", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Salman Karim", "url": "https://questionsmedicales.fr/author/Salman%20Karim", "affiliation": { "@type": "Organization", "name": "" } }, { "@type": "Person", "name": "Lee-Yee 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difficultés de mémoire, de concentration ou de prise de décision peuvent indiquer un trouble." } }, { "@type": "Question", "name": "Quels examens sont recommandés pour un diagnostic ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM cérébrale et les tests de fonction cognitive sont souvent recommandés." } }, { "@type": "Question", "name": "Quand consulter un spécialiste de la cognition ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "En cas de changements notables dans la mémoire ou le comportement, consultez un spécialiste." } }, { "@type": "Question", "name": "Quelles échelles sont utilisées pour le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'échelle de démence de Blessed et le MMSE sont couramment utilisées." } }, { "@type": "Question", "name": "Quels sont les symptômes d'un trouble cognitif ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent la confusion, l'oubli, et des difficultés à se concentrer." } }, { "@type": "Question", "name": "Comment reconnaître une perte de mémoire ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "La perte de mémoire se manifeste par l'oubli fréquent d'événements récents ou passés." } }, { "@type": "Question", "name": "Quels changements de comportement sont préoccupants ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des changements tels que l'irritabilité ou l'apathie peuvent signaler un trouble cognitif." } }, { "@type": "Question", "name": "Les troubles de l'attention sont-ils des symptômes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des difficultés à se concentrer ou à suivre des conversations peuvent être des symptômes." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une démence ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des oublis fréquents, des difficultés à effectuer des tâches quotidiennes et des changements d'humeur." } }, { "@type": "Question", "name": "Comment prévenir les troubles cognitifs ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation saine, l'exercice physique et des activités mentales régulières aident à prévenir." } }, { "@type": "Question", "name": "Le sommeil influence-t-il la cognition ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un sommeil de qualité est crucial pour maintenir des fonctions cognitives optimales." } }, { "@type": "Question", "name": "L'éducation joue-t-elle un rôle dans la cognition ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un niveau d'éducation plus élevé est associé à une meilleure santé cognitive." } }, { "@type": "Question", "name": "Les activités sociales aident-elles à prévenir ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, maintenir des interactions sociales régulières peut réduire le risque de déclin cognitif." } }, { "@type": "Question", "name": "Le stress affecte-t-il la cognition ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un stress chronique peut nuire aux fonctions cognitives et à la mémoire." } }, { "@type": "Question", "name": "Quels traitements existent pour les troubles cognitifs ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des médicaments, la thérapie cognitive et des exercices mentaux." } }, { "@type": "Question", "name": "Les médicaments peuvent-ils améliorer la cognition ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments, comme les inhibiteurs de la cholinestérase, peuvent aider à améliorer la cognition." } }, { "@type": "Question", "name": "Comment la thérapie cognitive aide-t-elle ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Elle aide à développer des stratégies pour gérer les déficits cognitifs et améliorer la mémoire." } }, { "@type": "Question", "name": "Les exercices mentaux sont-ils bénéfiques ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les exercices mentaux réguliers peuvent renforcer les capacités cognitives et la mémoire." } }, { "@type": "Question", "name": "Quelles approches non médicamenteuses sont efficaces ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des approches comme la stimulation cognitive et les activités sociales sont bénéfiques." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec des troubles cognitifs ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent l'isolement social, la dépression et la perte d'autonomie." } }, { "@type": "Question", "name": "Les troubles cognitifs augmentent-ils le risque de chutes ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les troubles cognitifs peuvent augmenter le risque de chutes et de blessures." } }, { "@type": "Question", "name": "Comment les troubles cognitifs affectent-ils la vie quotidienne ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent rendre les tâches quotidiennes difficiles, affectant l'autonomie et la qualité de vie." } }, { "@type": "Question", "name": "Les troubles cognitifs peuvent-ils mener à la démence ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains troubles cognitifs peuvent évoluer vers des formes de démence si non traités." } }, { "@type": "Question", "name": "Quelles sont les conséquences psychologiques des troubles cognitifs ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent entraîner de l'anxiété, de la dépression et une baisse de l'estime de soi." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque des troubles cognitifs ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge avancé, les antécédents familiaux et les maladies cardiovasculaires sont des facteurs de risque." } }, { "@type": "Question", "name": "Le diabète influence-t-il la cognition ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le diabète mal contrôlé peut augmenter le risque de troubles cognitifs." } }, { "@type": "Question", "name": "Le tabagisme est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme est associé à un déclin cognitif accru et à des troubles de la mémoire." } }, { "@type": "Question", "name": "L'isolement social est-il un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'isolement social peut augmenter le risque de déclin cognitif et de démence." } }, { "@type": "Question", "name": "Les traumatismes crâniens augmentent-ils le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traumatismes crâniens répétés sont liés à un risque accru de troubles cognitifs." } } ] } ] }

Sources (10000 au total)

Determining reference ranges and sample sizes in parallel-group studies.

Reference ranges are widely used to locate the major range of the target probability distribution. When future measurements fall outside the reference range, they are classified as atypical and requir... This paper describes a complete collection of one- and two-sided reference ranges for assessing measurement differences in parallel-group studies that assume variance homogeneity.... The problem of sample size determination for precise reference ranges is also examined under the expected half-width and assurance probability considerations. Unlike the current methods, the suggested... Theoretical examinations and empirical assessments are presented to validate the usefulness of the proposed reference range and sample size procedures. To enhance the usages of the recommended techniq...

Statistical power and sample size calculations for time-to-event analysis.

To provide thoracic and cardiovascular surgeons with the necessary tools for performing sample size and power calculations for studies with time-to-event outcomes.... Power and sample size calculations enhance the overall quality of research studies by providing readers with assurance and insight into the number of patients included in the study. A 5-step approach ... Statistical power is an essential element for designing studies to ensure sufficient sample sizes for detecting treatment effects or group differences in time-to-event patient outcomes. Power and samp...