questionsmedicales.fr
Système nerveux
Système nerveux central
Encéphale
Prosencéphale
Télencéphale
Cerveau
Cortex olfactif
Cortex piriforme
Cortex piriforme : Questions médicales fréquentes
Diagnostic
5
Cortex piriforme
Imagerie cérébrale
Troubles de l'odorat
Émotions
Tests psychologiques
Émotions
Neurologie
Oto-rhino-laryngologie
Symptômes
5
Lésion cérébrale
Perte de l'odorat
Émotions
Stimuli olfactifs
Troubles de l'odorat
Cortex piriforme
Qualité de vie
Troubles de l'odorat
Prévention
5
Prévention
Infections respiratoires
Tabagisme
Fonction olfactive
Allergies
Troubles de l'odorat
Vaccination
Infections respiratoires
Hygiène nasale
Infections
Traitements
5
Thérapie olfactive
Médicaments
Rééducation olfactive
Perception des odeurs
Antidépresseurs
Troubles émotionnels
Chirurgie cérébrale
Cortex piriforme
Thérapies comportementales
Stimuli olfactifs
Complications
5
Complications
Troubles de l'humeur
Réversibilité
Troubles olfactifs
Vie sociale
Qualité de vie
Facteurs de risque
5
Infections respiratoires
Traumatismes crâniens
Vieillissement
Fonction olfactive
Maladies neurodégénératives
Alzheimer
Stress
Perception olfactive
Expositions environnementales
Toxines
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"position": 8,
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"name": "Les troubles de l'odorat sont-ils fréquents ?",
"position": 9,
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"text": "Oui, ils sont courants et peuvent indiquer une dysfonction du cortex piriforme."
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"name": "Les troubles de l'odorat peuvent-ils affecter la qualité de vie ?",
"position": 10,
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}
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"name": "Comment prévenir les troubles olfactifs ?",
"position": 11,
"acceptedAnswer": {
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"text": "Éviter les expositions toxiques et traiter les infections respiratoires rapidement."
}
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"name": "Le tabagisme affecte-t-il le cortex piriforme ?",
"position": 12,
"acceptedAnswer": {
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"text": "Oui, le tabagisme peut altérer la fonction olfactive et affecter le cortex piriforme."
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"@type": "Question",
"name": "Les allergies peuvent-elles influencer l'odorat ?",
"position": 13,
"acceptedAnswer": {
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}
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"@type": "Question",
"name": "Faut-il se faire vacciner contre les infections respiratoires ?",
"position": 14,
"acceptedAnswer": {
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"text": "Oui, la vaccination peut réduire le risque d'infections qui affectent l'odorat."
}
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"name": "L'hygiène nasale est-elle importante ?",
"position": 15,
"acceptedAnswer": {
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}
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{
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"name": "Quels traitements existent pour les troubles olfactifs ?",
"position": 16,
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"text": "Les traitements incluent la thérapie olfactive et des médicaments pour les causes sous-jacentes."
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"name": "La rééducation olfactive est-elle efficace ?",
"position": 17,
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"name": "Des médicaments peuvent-ils aider les troubles émotionnels liés ?",
"position": 18,
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{
"@type": "Question",
"name": "Y a-t-il des interventions chirurgicales pour le cortex piriforme ?",
"position": 19,
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}
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{
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"name": "Les thérapies comportementales sont-elles utiles ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent aider à gérer les réponses émotionnelles aux stimuli olfactifs."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des troubles olfactifs ?",
"position": 21,
"acceptedAnswer": {
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"text": "Des complications incluent des troubles de l'humeur et des problèmes de sécurité."
}
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{
"@type": "Question",
"name": "Les troubles olfactifs peuvent-ils mener à des accidents ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une perte d'odorat peut augmenter le risque d'accidents domestiques."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques psychologiques associés ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles de l'odorat peuvent entraîner anxiété et dépression."
}
},
{
"@type": "Question",
"name": "Les troubles olfactifs sont-ils réversibles ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Cela dépend de la cause; certains troubles peuvent être réversibles, d'autres non."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles affecter la vie sociale ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des troubles olfactifs peuvent nuire aux interactions sociales et à la qualité de vie."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de troubles olfactifs ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les infections respiratoires, le vieillissement et les traumatismes crâniens sont des facteurs de risque."
}
},
{
"@type": "Question",
"name": "Le vieillissement affecte-t-il l'odorat ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement peut entraîner une diminution de la fonction olfactive."
}
},
{
"@type": "Question",
"name": "Les maladies neurodégénératives influencent-elles l'odorat ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme Alzheimer peuvent affecter le cortex piriforme et l'odorat."
}
},
{
"@type": "Question",
"name": "Le stress peut-il affecter l'odorat ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le stress peut altérer la perception olfactive et les réponses émotionnelles."
}
},
{
"@type": "Question",
"name": "Les expositions environnementales sont-elles un risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à des toxines peut endommager le cortex piriforme et l'odorat."
}
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Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 12/03/2026
Contenu vérifié selon les dernières recommandations médicales
6 publications dans cette catégorie
Affiliations :
Department of Neuroscience, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York.
5 publications dans cette catégorie
Affiliations :
Division of Biomedical Sciences, Faculty of Medicine, Memorial University, St. John's, NL A1B 3V6, Canada.
Publications dans "Cortex piriforme" :
4 publications dans cette catégorie
Affiliations :
Department of Neurology, University Hospital Zurich, Switzerland.
Publications dans "Cortex piriforme" :
4 publications dans cette catégorie
Affiliations :
UK National Institute for Health Research University College London Hospitals Biomedical Research Centre, and Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, United Kingdom; Epilepsy Society MRI Unit, Chalfont Centre for Epilepsy, Chalfont St Peter, Buckinghamshire, United Kingdom. Electronic address: j.duncan@ucl.ac.uk.
Publications dans "Cortex piriforme" :
4 publications dans cette catégorie
Publications dans "Cortex piriforme" :
4 publications dans cette catégorie
Affiliations :
Division of Biomedical Sciences, Faculty of Medicine, Memorial University, St. John's, NL A1B 3V6, Canada.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
The Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, 245 Burgundy Street, Heidelberg, Victoria 3084, Australia; Florey Department of Neuroscience and Mental Health, The University of Melbourne, Melbourne, 30 Royal Parade, Parkville, Victoria 3052, Australia. Electronic address: james.young@unimelb.edu.au.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
The Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, 245 Burgundy Street, Heidelberg, Victoria 3084, Australia; Florey Department of Neuroscience and Mental Health, The University of Melbourne, Melbourne, 30 Royal Parade, Parkville, Victoria 3052, Australia; Department of Neurology, Austin Health, Melbourne, 145 Studley Road, Heidelberg, Victoria 3084, Australia.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
UK National Institute for Health Research University College London Hospitals Biomedical Research Centre, and Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, United Kingdom; Centre for Medical Image Computing (CMIC), Department of Computer Science, University College London, United Kingdom; Neuroradiological Academic Unit, UCL Queen Square Institute of Neurology, London, United Kingdom.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
UK National Institute for Health Research University College London Hospitals Biomedical Research Centre, and Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, United Kingdom; Epilepsy Society MRI Unit, Chalfont Centre for Epilepsy, Chalfont St Peter, Buckinghamshire, United Kingdom.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Univ. Bordeaux, CNRS, Interdisciplinary Institute for Neuroscience, IINS, UMR 5297, F-33000, Bordeaux, France.
Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Univ. Bordeaux, INRAE, Bordeaux INP, NutriNeurO, UMR 1286, F-33000, Bordeaux, France.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Department of Neurobiology & Anatomy, Wake Forest School of Medicine, Winston-Salem, NC, USA.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.
Institute of Experimental Neuroregeneration, Paracelsus Medical University, 5020 Salzburg, Austria.
Austrian Cluster for Tissue Regeneration, Vienna, Austria.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
BIOTECMED, Universitat de València and Center for Collaborative Research on Mental Health CIBERSAM, 46100 València, Spain.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
BIOTECMED, Universitat de València and Center for Collaborative Research on Mental Health CIBERSAM, 46100 València, Spain.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Department of Neurosurgery, University Hospital Bonn, Bonn, Germany.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Department of Epileptology, University Hospital Bonn, Bonn, Germany.
Publications dans "Cortex piriforme" :
3 publications dans cette catégorie
Affiliations :
Department of Neurosurgery, University Hospital Bonn, Bonn, Germany.
Publications dans "Cortex piriforme" :
A greater extent of resection of the temporal portion of the piriform cortex (PC) has been shown to be associated with higher likelihood of seizure freedom in adults undergoing anterior temporal lobe ...
A retrospective, neuroimaging cohort study of children with TLE who underwent ATLR between 2012 and 2021 was undertaken. The PC, hippocampal and amygdala volumes were measured on the preoperative and ...
In 50 children (median age 9.5 years) there was no significant difference between the extent of resection of the temporal PC in the seizure-free (median = 50%, n = 33/50) versus not seizure-free (medi...
This is the first study demonstrating that, in children with TLE and hippocampal atrophy, more extensive temporal PC resection is associated with a greater chance of seizure freedom-compatible with an...
Olfactory dysfunction is a common feature of both postviral upper respiratory tract infections (PV) and idiopathic Parkinson's disease (PD). Our aim was to investigate potential differences in the con...
The anatomy of the human piriform cortex (PC) is poorly understood. We used a bimodal connectivity-based-parcellation approach to investigate subregions of the PC and its connectional differentiation ...
Sensory perception depends on interactions between external inputs transduced by peripheral sensory organs and internal network dynamics generated by central neuronal circuits. In the sensory cortex, ...
The piriform cortex (PC) is part of the primary olfactory network in humans. Recent findings suggest that it plays a role in pathophysiology of epilepsy. Therefore, studying its connectivity can furth...
Twenty subjects were randomly selected from the human connectome project database, and PC was traced on each hemisphere. Probabilistic whole-brain tractography was then used to visualize PC connectivi...
The strongest connectivity was noted between PC and ipsilateral insula in both hemispheres. Specifically, the posterior long gyrus of each insula was predominantly connected to PC. This was followed b...
The PC has the strongest connectivity with the insula bilaterally. Specifically, the posterior long gyri of insula have the strongest connectivity. This finding may provide additional insight for loca...
Prolonged sensory deprivation has repeatedly been linked to cortical reorganization. We recently demonstrated that individuals with congenital anosmia (CA, complete olfactory deprivation since birth) ...
The piriform cortex has been implicated in the initiation, spread and termination of epileptic seizures. This understanding has extended to surgical management of epilepsy, where it has been shown tha...
We studied a retrospective cohort of 55 drug-resistant unilateral TLE patients and 26 healthy controls who received structural and functional neuroimaging. Using seed-to-voxel connectivity we compared...
We find that relative to the hippocampus, the piriform is functionally connected to the anterior insula and the rest of the salience ventral attention network (SAN). We also find that low IPC is a sen...
Our study presents novel insights into the functional and structural neural network alterations associated with this structure, laying the foundation for future work to carefully consider its connecti...
The piriform cortex is considered to be highly epileptogenic. Its resection during epilepsy surgery is a predictor for postoperative seizure freedom in temporal lobe epilepsy. Epilepsy is associated w...
Gadolinium-based contrast agent was administered ictally and interictally in 37 individuals before undergoing quantitative T1-relaxometry. Postictal and interictal images were co-registered, and subtr...
In temporal lobe epilepsy (n = 14), ∆qT1...
Interictal blood-brain barrier dysfunction occurs in the piriform cortex in temporal lobe epilepsy. This dysfunction is linked to longer disease duration and worse cognitive deficits, emphasizing the ...
The human olfactory system has two discrete channels of sensory input, arising from olfactory epithelia housed in the left and right nostrils. Here, we asked whether the primary olfactory cortex (piri...
The human olfactory system has two discrete channels of sensory input, arising from olfactory epithelia housed in the left and right nostrils. Here, we asked whether primary olfactory cortex (piriform...