Titre : Groupes témoins

Groupes témoins : Questions médicales fréquentes

Termes MeSH sélectionnés :

Likelihood Functions
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1, "acceptedAnswer": { "@type": "Answer", "text": "Un groupe témoin est constitué de participants similaires au groupe traité, mais sans intervention." } }, { "@type": "Question", "name": "Quel est le rôle d'un groupe témoin ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Il permet d'évaluer l'effet d'un traitement en comparant les résultats avec ceux du groupe traité." } }, { "@type": "Question", "name": "Comment choisir un groupe témoin ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Le choix doit se baser sur des critères d'inclusion similaires à ceux du groupe traité." } }, { "@type": "Question", "name": "Les groupes témoins sont-ils toujours nécessaires ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils sont essentiels pour établir des comparaisons valides dans les études cliniques." } }, { "@type": "Question", "name": "Les groupes témoins montrent-ils des symptômes ?", "position": 5, "acceptedAnswer": { "@type": 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"Answer", "text": "Le traitement expérimental est comparé à un placebo ou à un traitement standard dans le groupe témoin." } }, { "@type": "Question", "name": "Comment les résultats sont-ils mesurés ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les résultats sont mesurés par des critères prédéfinis, comme l'amélioration des symptômes." } }, { "@type": "Question", "name": "Les complications sont-elles observées dans les groupes témoins ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent être observées, mais elles ne sont pas dues au traitement expérimental." } }, { "@type": "Question", "name": "Comment les complications sont-elles analysées ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont analysées en comparant leur fréquence entre le groupe témoin et le groupe traité." } }, { "@type": "Question", "name": "Les groupes témoins aident-ils à identifier des facteurs de risque ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils permettent de comparer les facteurs de risque entre les groupes traité et témoin." } }, { "@type": "Question", "name": "Comment les facteurs de risque sont-ils évalués ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Ils sont évalués par des questionnaires et des analyses statistiques dans les deux groupes." } } ] } ] }

Sources (10000 au total)

Inhibition, Shifting and Updating: Inter and intra-domain commonalities and differences from an executive functions activation likelihood estimation meta-analysis.

Executive functions are higher-order mental processes that support goal-directed behavior. Among these processes, Inhibition, Updating, and Shifting have been considered core executive domains. In thi...

The neural correlates of texture perception: A systematic review and activation likelihood estimation meta-analysis of functional magnetic resonance imaging studies.

Humans use discriminative touch to perceive texture through dynamic interactions with surfaces, activating low-threshold mechanoreceptors in the skin. It was largely assumed that texture was processed... To address this, we conducted a coordinate-based activation likelihood estimation meta-analysis of 13 functional magnetic resonance imaging studies (comprising 15 experiments contributing 228 particip... Concordant activations for texture perception occurred in the left primary somatosensory and motor regions, with bilateral activations in the secondary somatosensory, posterior insula, and premotor an... These findings suggest that texture processing may recruit higher order integrative structures, and the secondary somatosensory cortex may play a key role in encoding textural properties. The present ...

Inhibitory control in obsessive compulsive disorder: A systematic review and activation likelihood estimation meta-analysis of functional magnetic resonance imaging studies.

Patients with obsessive compulsive disorder (OCD) often show deficits in inhibitory control, which may underlie poor control over obsessions and compulsions. Several functional magnetic resonance imag... First, to reevaluate the evidence for abnormal brain activation during performance of inhibitory control tasks in OCD while adhering to current best practices for meta-analyses, and second, to extend ... We systematically searched Web of Knowledge, ScienceDirect, Scopus, PubMed and the functional BrainMap database for fMRI articles that compared activation during performance of inhibitory control task... The 35 experiments included a total of 394 patients and 410 controls. We did not find evidence of abnormal brain activation in OCD during inhibitory control when pooling data from all experiments. Ana... Findings of abnormal brain activation in OCD from different inhibitory control tasks do not appear to converge on the same brain regions, but the dACC may be implicated in abnormal cognitive inhibitio...