Quels sont les principaux facteurs de risque du MPP+ ?
L'exposition à des pesticides et à des produits chimiques industriels augmente le risque.
Facteurs de risquePesticides
#2
L'âge est-il un facteur de risque pour le MPP+ ?
Oui, le risque d'effets néfastes du MPP+ augmente avec l'âge.
ÂgeRisque
#3
Les antécédents familiaux influencent-ils le risque ?
Oui, des antécédents familiaux de maladies neurodégénératives augmentent le risque.
Antécédents familiauxMaladies neurodégénératives
#4
Le sexe joue-t-il un rôle dans le risque de MPP+ ?
Oui, des études montrent que les hommes sont plus à risque que les femmes.
SexeRisque
#5
Le mode de vie influence-t-il le risque de MPP+ ?
Oui, un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque.
Mode de vieAlimentation
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "1-Méthyl-4-phényl-pyridinium : Questions médicales les plus fréquentes",
"headline": "1-Méthyl-4-phényl-pyridinium : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les 1-Méthyl-4-phényl-pyridinium : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-06-14",
"dateModified": "2025-03-11",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "1-Méthyl-4-phényl-pyridinium"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Composés de pyridinium",
"url": "https://questionsmedicales.fr/mesh/D011726",
"about": {
"@type": "MedicalCondition",
"name": "Composés de pyridinium",
"code": {
"@type": "MedicalCode",
"code": "D011726",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "D03.383.725.762"
}
}
},
"about": {
"@type": "MedicalCondition",
"name": "1-Méthyl-4-phényl-pyridinium",
"alternateName": "1-Methyl-4-phenylpyridinium",
"code": {
"@type": "MedicalCode",
"code": "D015655",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Hemmige S Yathirajan",
"url": "https://questionsmedicales.fr/author/Hemmige%20S%20Yathirajan",
"affiliation": {
"@type": "Organization",
"name": "Department of Studies in Chemistry University of Mysore, Manasagangotri, Mysore-570 006, India."
}
},
{
"@type": "Person",
"name": "Yuka Yamamoto",
"url": "https://questionsmedicales.fr/author/Yuka%20Yamamoto",
"affiliation": {
"@type": "Organization",
"name": "Department of Radiology, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan. yuka@kms.ac.jp."
}
},
{
"@type": "Person",
"name": "Katsuya Mitamura",
"url": "https://questionsmedicales.fr/author/Katsuya%20Mitamura",
"affiliation": {
"@type": "Organization",
"name": "Department of Radiology, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan."
}
},
{
"@type": "Person",
"name": "Jun Toyohara",
"url": "https://questionsmedicales.fr/author/Jun%20Toyohara",
"affiliation": {
"@type": "Organization",
"name": "Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan."
}
},
{
"@type": "Person",
"name": "Takashi Norikane",
"url": "https://questionsmedicales.fr/author/Takashi%20Norikane",
"affiliation": {
"@type": "Organization",
"name": "Department of Radiology, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Differences in a Musician's Advantage for Speech-in-Speech Perception Based on Age and Task.",
"datePublished": "2023-02-02",
"url": "https://questionsmedicales.fr/article/36729698",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1044/2022_JSLHR-22-00259"
}
},
{
"@type": "ScholarlyArticle",
"name": "Lilliput: speech perception in speech-weighted noise and in quiet in young children.",
"datePublished": "2022-06-22",
"url": "https://questionsmedicales.fr/article/35732012",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1080/14992027.2022.2086491"
}
},
{
"@type": "ScholarlyArticle",
"name": "Towards a somatosensory theory of speech perception.",
"datePublished": "2022-11-23",
"url": "https://questionsmedicales.fr/article/36416451",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1152/jn.00381.2022"
}
},
{
"@type": "ScholarlyArticle",
"name": "Online Ternary Classification of Covert Speech by Leveraging the Passive Perception of Speech.",
"datePublished": "2023-07-31",
"url": "https://questionsmedicales.fr/article/37522623",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1142/S012906572350048X"
}
},
{
"@type": "ScholarlyArticle",
"name": "Sensorimotor foundations of speech perception in infancy.",
"datePublished": "2023-06-09",
"url": "https://questionsmedicales.fr/article/37302917",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.tics.2023.05.007"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Composés hétérocycliques",
"item": "https://questionsmedicales.fr/mesh/D006571"
},
{
"@type": "ListItem",
"position": 3,
"name": "Composés hétéromonocycliques",
"item": "https://questionsmedicales.fr/mesh/D006573"
},
{
"@type": "ListItem",
"position": 4,
"name": "Pyridines",
"item": "https://questionsmedicales.fr/mesh/D011725"
},
{
"@type": "ListItem",
"position": 5,
"name": "Composés de pyridinium",
"item": "https://questionsmedicales.fr/mesh/D011726"
},
{
"@type": "ListItem",
"position": 6,
"name": "1-Méthyl-4-phényl-pyridinium",
"item": "https://questionsmedicales.fr/mesh/D015655"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : 1-Méthyl-4-phényl-pyridinium - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur 1-Méthyl-4-phényl-pyridinium",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-19",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur 1-Méthyl-4-phényl-pyridinium",
"description": "Comment diagnostiquer l'exposition au MPP+ ?\nQuels examens sont recommandés pour le MPP+ ?\nQuels symptômes indiquent une intoxication au MPP+ ?\nLe MPP+ peut-il être détecté dans le sang ?\nQuels tests neurologiques sont utiles pour le MPP+ ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur 1-Méthyl-4-phényl-pyridinium",
"description": "Quels sont les symptômes principaux du MPP+ ?\nLe MPP+ cause-t-il des troubles cognitifs ?\nY a-t-il des symptômes non moteurs liés au MPP+ ?\nComment le MPP+ affecte-t-il le système nerveux ?\nLe MPP+ provoque-t-il des douleurs ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur 1-Méthyl-4-phényl-pyridinium",
"description": "Comment prévenir l'exposition au MPP+ ?\nY a-t-il des vaccins contre le MPP+ ?\nLes changements de mode de vie aident-ils à prévenir le MPP+ ?\nL'éducation sur le MPP+ est-elle importante ?\nLes contrôles réguliers sont-ils recommandés ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur 1-Méthyl-4-phényl-pyridinium",
"description": "Quels traitements sont efficaces contre le MPP+ ?\nLa réhabilitation est-elle utile pour les patients exposés au MPP+ ?\nPeut-on utiliser des antioxydants pour traiter le MPP+ ?\nLes thérapies complémentaires sont-elles bénéfiques ?\nLe traitement précoce du MPP+ est-il crucial ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur 1-Méthyl-4-phényl-pyridinium",
"description": "Quelles complications peuvent survenir avec le MPP+ ?\nLe MPP+ peut-il entraîner des chutes ?\nY a-t-il un risque accru de dépression avec le MPP+ ?\nLe MPP+ peut-il affecter la qualité de vie ?\nDes complications cardiovasculaires sont-elles possibles ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur 1-Méthyl-4-phényl-pyridinium",
"description": "Quels sont les principaux facteurs de risque du MPP+ ?\nL'âge est-il un facteur de risque pour le MPP+ ?\nLes antécédents familiaux influencent-ils le risque ?\nLe sexe joue-t-il un rôle dans le risque de MPP+ ?\nLe mode de vie influence-t-il le risque de MPP+ ?",
"url": "https://questionsmedicales.fr/mesh/D015655?mesh_terms=Speech+Perception#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment diagnostiquer l'exposition au MPP+ ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests biologiques et des évaluations neurologiques sont utilisés pour diagnostiquer l'exposition."
}
},
{
"@type": "Question",
"name": "Quels examens sont recommandés pour le MPP+ ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM et l'électromyographie peuvent aider à évaluer les dommages neurologiques."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une intoxication au MPP+ ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tremblements, rigidité et bradykinésie peuvent indiquer une intoxication au MPP+."
}
},
{
"@type": "Question",
"name": "Le MPP+ peut-il être détecté dans le sang ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des analyses sanguines peuvent détecter la présence de MPP+."
}
},
{
"@type": "Question",
"name": "Quels tests neurologiques sont utiles pour le MPP+ ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de coordination et de réflexes peuvent évaluer l'impact neurologique du MPP+."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes principaux du MPP+ ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent tremblements, rigidité musculaire et troubles de la marche."
}
},
{
"@type": "Question",
"name": "Le MPP+ cause-t-il des troubles cognitifs ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition au MPP+ peut entraîner des troubles cognitifs et de la mémoire."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes non moteurs liés au MPP+ ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des symptômes comme la dépression et l'anxiété peuvent survenir."
}
},
{
"@type": "Question",
"name": "Comment le MPP+ affecte-t-il le système nerveux ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le MPP+ endommage les neurones dopaminergiques, entraînant des symptômes parkinsoniens."
}
},
{
"@type": "Question",
"name": "Le MPP+ provoque-t-il des douleurs ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des douleurs musculaires et articulaires peuvent être présentes chez les patients."
}
},
{
"@type": "Question",
"name": "Comment prévenir l'exposition au MPP+ ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les environnements contaminés et utiliser des équipements de protection."
}
},
{
"@type": "Question",
"name": "Y a-t-il des vaccins contre le MPP+ ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Actuellement, il n'existe pas de vaccin spécifique contre le MPP+."
}
},
{
"@type": "Question",
"name": "Les changements de mode de vie aident-ils à prévenir le MPP+ ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sain peut réduire le risque de maladies neurodégénératives."
}
},
{
"@type": "Question",
"name": "L'éducation sur le MPP+ est-elle importante ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'éducation sur les risques et les symptômes est essentielle pour la prévention."
}
},
{
"@type": "Question",
"name": "Les contrôles réguliers sont-ils recommandés ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des contrôles réguliers peuvent aider à détecter précocement les symptômes."
}
},
{
"@type": "Question",
"name": "Quels traitements sont efficaces contre le MPP+ ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des médicaments dopaminergiques et des thérapies physiques."
}
},
{
"@type": "Question",
"name": "La réhabilitation est-elle utile pour les patients exposés au MPP+ ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la réhabilitation aide à améliorer la mobilité et la qualité de vie des patients."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser des antioxydants pour traiter le MPP+ ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antioxydants peuvent être envisagés pour réduire le stress oxydatif lié au MPP+."
}
},
{
"@type": "Question",
"name": "Les thérapies complémentaires sont-elles bénéfiques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines thérapies complémentaires, comme l'acupuncture, peuvent soulager les symptômes."
}
},
{
"@type": "Question",
"name": "Le traitement précoce du MPP+ est-il crucial ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un traitement précoce peut ralentir la progression des symptômes parkinsoniens."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec le MPP+ ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des troubles moteurs sévères et des problèmes cognitifs."
}
},
{
"@type": "Question",
"name": "Le MPP+ peut-il entraîner des chutes ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les troubles de la marche augmentent le risque de chutes chez les patients."
}
},
{
"@type": "Question",
"name": "Y a-t-il un risque accru de dépression avec le MPP+ ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les patients exposés au MPP+ présentent un risque accru de dépression."
}
},
{
"@type": "Question",
"name": "Le MPP+ peut-il affecter la qualité de vie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes parkinsoniens peuvent significativement réduire la qualité de vie."
}
},
{
"@type": "Question",
"name": "Des complications cardiovasculaires sont-elles possibles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des études suggèrent un lien entre MPP+ et complications cardiovasculaires."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque du MPP+ ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exposition à des pesticides et à des produits chimiques industriels augmente le risque."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque pour le MPP+ ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le risque d'effets néfastes du MPP+ augmente avec l'âge."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux influencent-ils le risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de maladies neurodégénératives augmentent le risque."
}
},
{
"@type": "Question",
"name": "Le sexe joue-t-il un rôle dans le risque de MPP+ ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des études montrent que les hommes sont plus à risque que les femmes."
}
},
{
"@type": "Question",
"name": "Le mode de vie influence-t-il le risque de MPP+ ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie sédentaire et une mauvaise alimentation peuvent augmenter le risque."
}
}
]
}
]
}
This study investigates the debate that musicians have an advantage in speech-in-noise perception from years of targeted auditory training. We also consider the effect of age on any such advantage, co...
Participants (ranging in age from 18 to 66 years) included 29 musicians and 26 nonmusicians. They completed two tasks varying in attentional demands: (a) a selective attention task where listeners ide...
Results show that increasing differences in...
Overall, we find support for a hybrid...
https://doi.org/10.23641/asha.21956777....
The aim of this study was to develop an open-set word recognition task in speech-weighted noise and in quiet for young children and examine age effects for open versus closed response formats....
Dutch monosyllabic words were presented in quiet and in stationary speech-weighted noise to 4- and 5-year-old children as well as to young adults in an open-set response format. Additionally, performa...
More than 200 children and 50 adults with normal hearing participated in the various validation phases....
Average fitted speech reception thresholds (50%) yielded an age effect between 4-year and 5-year olds (and adults), both in speech-weighted noise and in quiet. The closed-set format yielded lower (bet...
The same materials reveal performance differences between 4 and 5 years of age (and adults), both in quiet and speech-weighted noise using an open-set response format. This relatively small yet signif...
Speech perception is known to be a multimodal process, relying not only on auditory input but also on the visual system and possibly on the motor system as well. To date there has been little work on ...
Brain-computer interfaces (BCIs) provide communicative alternatives to those without functional speech. Covert speech (CS)-based BCIs enable communication simply by thinking of words and thus have int...
The perceptual system for speech is highly organized from early infancy. This organization bootstraps young human learners' ability to acquire their native speech and language from speech input. Here,...
Beyond hallmark production deficits characterizing childhood apraxia of speech (CAS), largely attributed to disruption(s) in speech motor planning, children with CAS often present with co-occurring sp...
This tutorial summarizes the current literature on speech perception and how it relates to speech production, language, and reading abilities for children with CAS. We include case illustrations that ...
Although speech perception difficulties do not seem to be a core deficit of CAS, they are strongly linked to language difficulties, which are highly prevalent among children with CAS. Speech perceptio...
Children with CAS who have co-occurring language difficulties likely also demonstrate speech perception deficits, which puts them at heightened risk for reading difficulties and struggles with academi...
Investigate if speech perception skills can differentiate school children with Specific Reading Disorders (SRD) with and without Persistent Speech Sound Disorders (PSSD)....
80 children, regularly enrolled in the 2nd (N=1), 3rd (N=28), 4th (N=29), 5th (N=15) and 6th (N=7) grades participated in the study. Control Group (CG) (N=48): no complaints, no speech alteration; and...
Control and RGI showed higher correct answer scores than RGII. There was no difference between the correct answer distributions of the Control and RGI, and RGI and RGII in the test of DNPLS and the nu...
The ability to discriminate non-words enabled the differentiated between school-aged children with SRD associated with PSSD and typical children, thus characterizing this group for presenting a number...
Sensory gating is the cortical phenomenon that involves selective inhibition of responses to task-irrelevant stimuli. Perceiving speech in noise, a situation commonly encountered by humans, requires t...
An observational research following a correlational design was conducted on 10 neurotypical individuals. Auditory sensory gating was assessed using a conditioning-testing paradigm for tone and speech ...
Differences were observed in the gating index of the P2 peaks of speech and tone pairs. A significant relationship between SPiN and the auditory sensory gating of the P2 peak of the speech-evoked cort...
The results of this preliminary investigation indicate an association between the sensory gating mechanism and neurotypical individuals' ability to perceive speech in noise....
To analyze the performance of auditory speech perception (PF) after cochlear implant (CI) replacement surgery and associations with age, times of use of the first CI, deprivation, recovery and use of ...
The retrospective study analyzed the medical records of 68 participants reimplanted from 1990 to 2016, and evaluated with PF performance tests, considering as a reference, the greater auditory capacit...
Most were children with hearing loss due to idiopathic causes and meningitis. Abrupt stoppage of operation was the most common cause for device replacement. Most cases recovered and maintained or cont...
Periodic programming and replacement of the device when indicated are fundamental for the maintenance of auditory functions. Being young and having longer use of implants represent advantages for the ...
Individuals with autism spectrum disorder (ASD) exhibit atypical speech-in-noise (SiN) perception, but the scope of these impairments has not been clearly defined. We conducted a systematic review of ...