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Mastinu M, Grzeschuchna LS, Mignot C, Guducu C, Bogdanov V, Hummel T. Time-frequency analysis of gustatory event related potentials (gERP) in taste disorders. Sci Rep 2024; 14:2512. [PMID: 38291123 PMCID: PMC10827706 DOI: 10.1038/s41598-024-52986-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/25/2024] [Indexed: 02/01/2024] Open
Abstract
In taste disorders, the key to a correct diagnosis and an adequate treatment is an objective assessment. Compared to psychophysical tests, EEG-derived gustatory event-related potentials (gERP) could be used as a less biased measure. However, the responses identified using conventional time-domain averaging show a low signal-to-noise ratio. This study included 44 patients with dysgeusia and 59 healthy participants, who underwent a comprehensive clinical examination of gustatory function. gERPs were recorded in response to stimulation with two concentrations of salty solutions, which were applied with a high precision gustometer. Group differences were examined using gERP analyzed in the canonical time domain and with Time-Frequency Analyses (TFA). Dysgeusic patients showed significantly lower scores for gustatory chemical and electrical stimuli. gERPs failed to show significant differences in amplitudes or latencies between groups. However, TFA showed that gustatory activations were characterized by a stronger power in controls than in patients in the low frequencies (0.1-4 Hz), and a higher desynchronization in the alpha-band (8-12 Hz). Hence, gERPs reflect the altered taste sensation in patients with dysgeusia. TFA appears to enhance the signal-to-noise ratio commonly present when using conventional time-domain averaging, and might be of assistance for the diagnosis of dysgeusia.
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Affiliation(s)
- Mariano Mastinu
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany.
| | - Lisa Sophie Grzeschuchna
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany
| | - Coralie Mignot
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany
| | - Cagdas Guducu
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany
- Dokuz Eylül University Faculty of Medicine Department of Biophysics, 35320, Balçova, Izmir, Turkey
| | - Vasyl Bogdanov
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany
| | - Thomas Hummel
- Department of Otorhinolaryngology, Smell & Taste Clinic, Technische Universität Dresden, Dresden, Germany
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El Kadiri W, Perrignon-Sommet M, Delpont B, Graber M, Mohr S, Mouillot T, Devilliers H, Grall S, Lienard F, Georges M, Brindisi MC, Brondel L, Bejot Y, Leloup C, Jacquin-Piques A. Changes in Taste Perception in Patients with Minor and Major Cognitive Impairment Linked to Alzheimer's Disease Recorded by Gustatory Evoked Potentials. J Alzheimers Dis 2023; 96:1593-1607. [PMID: 38007646 DOI: 10.3233/jad-230270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
BACKGROUND The need for early diagnosis biomarkers in Alzheimer's disease (AD) is growing. Only few studies have reported gustatory dysfunctions in AD using subjective taste tests. OBJECTIVE The main purpose of the study was to explore gustatory functions using subjective taste tests and recordings of gustatory evoked potentials (GEPs) for sucrose solution in patients with minor or major cognitive impairment (CI) linked to AD, and to compare them with healthy controls. The secondary objective was to evaluate the relationships between GEPs and the results of cognitive assessments and fasting blood samples. METHODS A total of 45 subjects (15 healthy subjects, 15 minor CI patients, 15 major CI patients) were included to compare their gustatory functions and brain activity by recording GEPs in response to a sucrose stimulation. CI groups were combined in second analyses in order to keep a high power in the study. Correlations were made with cognitive scores and hormone levels (ghrelin, leptin, insulin, serotonin). RESULTS Increased P1 latencies and reduced N1 amplitudes were observed in minor or major patients compared to controls. GEPs were undetectable in 6 major and 4 minor CI patients. Thresholds for sucrose detection were significantly higher in the major CI group than in controls or the minor CI group. No correlation was found with hormone levels. CONCLUSIONS The cortical processing of sensory taste information seems to be altered in patients with minor or major CI linked to AD. This disturbance was identifiable with subjective taste tests only later, at the major CI stage.
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Affiliation(s)
- Wafa El Kadiri
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
- Neurology and Clinical Neurophysiology Department, CHU F. Mitterrand, Dijon, France
| | - Manon Perrignon-Sommet
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Benoit Delpont
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, Dijon, France
| | - Mathilde Graber
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, Dijon, France
| | - Sophie Mohr
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, Dijon, France
| | - Thomas Mouillot
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | | | - Sylvie Grall
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Fabienne Lienard
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Marjolaine Georges
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Marie-Claude Brindisi
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Laurent Brondel
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Yannick Bejot
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, Dijon, France
| | - Corinne Leloup
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
| | - Agnès Jacquin-Piques
- Center for Taste and Feeding Behavior, AgroSup Dijon, CNRS, INRAE, University of Bourgogne Franche-Comté, Dijon, France
- Neurology and Clinical Neurophysiology Department, CHU F. Mitterrand, Dijon, France
- Memory Resource and Research Center (CMRR), CHU F. Mitterrand, Dijon, France
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Chen Z, Hu C, Zhang Y, Xie H, Wei Y. Gustatory event-related potential alterations in olfactory dysfunction patients. Neurol Sci 2022; 43:2899-2908. [PMID: 35106693 PMCID: PMC8807141 DOI: 10.1007/s10072-022-05876-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/01/2022] [Indexed: 11/25/2022]
Abstract
The phenomenon that longstanding impaired olfactory function is associated with the decreased gustatory function was described in present studies, which was seems attributed to mutual chemosensory interactions. And the interaction between olfaction and gustation still needs more research to figure out. The objective of the study was to investigate how the taste was influenced by olfactory impairment in the central pathway. We tested 33 subjects with normal (n = 19) or impaired (n = 14) olfactory function for their gustatory event-related potentials (gERPs). Validated tests were used for olfactory and gustatory testing (Sniffin’ Sticks, gERPs, and three-drop test). This study reported an objective gustatory function decline in olfactory dysfunction participants. However, it also reported the increased gustatory event-related potentials of olfactory dysfunction participants, especially at the frontal electrode (FZ) and electrode 16 (E16), and the reduced latency of P2 peak of them at electrode 21 (E21), while no obvious difference was observed at the centro-parietal electrode (PZ). Inferior insula might be the main response area for the increase in gERPs, and this increase averaged amplitude of the P2 component may attribute to compensation of the secondary gustatory response that occurred in the gustatory processing of olfactory-impaired patients.
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Affiliation(s)
- Zirong Chen
- Beijing Institute of Heart, Lung and Blood Vessel Diseases, Anzhen Road, Beijing, Chaoyang District, China
- Department of Otolaryngology, Smell and Taste Center, Beijing Anzhen Hospital, Capital Medical University, Anzhen Road 2, Beijing, Chaoyang District, 100010, China
| | - Chunhua Hu
- Department of Otolaryngology, Smell and Taste Center, Beijing Anzhen Hospital, Capital Medical University, Anzhen Road 2, Beijing, Chaoyang District, 100010, China
| | - Yaru Zhang
- Department of Psychiatry, National Clinical Research Center for Mental Disorders, China National Technology Institute On Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Hongbo Xie
- Beijing Institute of Heart, Lung and Blood Vessel Diseases, Anzhen Road, Beijing, Chaoyang District, China
- Department of Otolaryngology, Smell and Taste Center, Beijing Anzhen Hospital, Capital Medical University, Anzhen Road 2, Beijing, Chaoyang District, 100010, China
| | - Yongxiang Wei
- Department of Otorhinolaryngology-Head and Neck Surgery, Capital Institute of Pediatrics, Yabao Road 2, Chaoyang District, 100029, Beijing, China.
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The Etiologies and Considerations of Dysgeusia: A Review of Literature. J Oral Biosci 2021; 63:319-326. [PMID: 34487857 DOI: 10.1016/j.job.2021.08.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND Dysgeusia is a prevalent qualitative gustatory impairment that may affect food intake and quality of life. The facial (VII), glossopharyngeal (IX), and vagus (X) nerves are the three cranial nerves responsible for sensing taste. Typically, dysgeusia is considered a general term for all taste disorders. In addition, dysgeusia may be a symptom of underlying systemic conditions such as diabetes mellitus, chronic kidney disease, respiratory infections, and nutritional deficiencies. Various subjective and objective diagnostic approaches are available to aid clinicians, each with its own set of benefits and drawbacks. HIGHLIGHTS Taste impairment can lead to a lack of enjoyment while eating, food aversion, and malnutrition, resulting in a decrease in the quality of life and loss of muscle mass. Therefore, the present review aims to address the probable etiologies, diagnostic aids, and management of dysgeusia. A broad search for studies was conducted using PubMed, Web of Science, Scopus, and Google Scholar. In addition, relevant studies found in the references of the selected articles were also studied. CONCLUSION Oral health care providers should be aware of the possible etiologies of dysgeusia, diagnostic tools, and treatment options. Accurate diagnosis of the cause of taste dysfunction has a significant impact on the management of taste impairment.
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Lechien JR, Chiesa-Estomba CM, Vaira LA, De Riu G, Cammaroto G, Chekkoury-Idrissi Y, Circiu M, Distinguin L, Journe F, de Terwangne C, Machayekhi S, Barillari MR, Calvo-Henriquez C, Hans S, Saussez S. Epidemiological, otolaryngological, olfactory and gustatory outcomes according to the severity of COVID-19: a study of 2579 patients. Eur Arch Otorhinolaryngol 2021; 278:2851-2859. [PMID: 33452919 PMCID: PMC7811338 DOI: 10.1007/s00405-020-06548-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 12/02/2020] [Indexed: 12/17/2022]
Abstract
Objective To investigate prevalence and epidemiological and clinical factors associated with olfactory dysfunction (OD) and gustatory dysfunction (GD) in COVID-19 patients according to the disease severity.
Study design Cross-sectional study.
Methods A total of 2579 patients with a positive diagnosis of COVID-19 were identified between March 22 and June 3, 2020 from 18 European hospitals. Epidemiological and clinical data were extracted. Otolaryngological symptoms, including OD and GD, were collected through patient-reported outcome questionnaire and Sniffin’Sticks tests were carried out in a subset of patients.
Results A total of 2579 patients were included, including 2166 mild (84.0%), 144 moderate (5.6%) and 269 severe-to-critical (10.4%) patients. Mild patients presented an otolaryngological picture of the disease with OD, GD, nasal obstruction, rhinorrhea and sore throat as the most prevalent symptoms. The prevalence of subjective OD and GD was 73.7 and 46.8%, and decreases with the severity of the disease. Females had higher prevalence of subjective OD and GD compared with males. Diabetes was associated with a higher risk to develop GD. Among the subset of patients who benefited from psychophysical olfactory evaluations, there were 75 anosmic, 43 hyposmic and 113 normosmic patients. The prevalence of anosmia significantly decreased with the severity of the disease. Anosmia or hyposmia were not associated with any nasal disorder, according to SNOT-22. Conclusion OD and GD are more prevalent in patients with mild COVID-19 compared with individuals with moderate, severe or critical diseases. Females might have a higher risk of developing OD and GD compared with males.
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Affiliation(s)
- Jerome R Lechien
- COVID-19 Task Force of the Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France. .,Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium. .,Department of Otolaryngology-Head and Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France. .,Department of Otorhinolaryngology and Head and Neck Surgery, CHU de Bruxelles, CHU Saint-Pierre, School of Medicine, Université Libre de Bruxelles, Brussels, Belgium.
| | - Carlos M Chiesa-Estomba
- COVID-19 Task Force of the Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France.,Department of Otorhinolaryngology-Head and Neck Surgery, Hospital Universitario Donostia/ Biodonostia Research Institute, San Sebastian, Spain
| | - Luigi A Vaira
- Maxillofacial Surgery Unit, University Hospital of Sassari, Sassari, Italy
| | - Giacomo De Riu
- Maxillofacial Surgery Unit, University Hospital of Sassari, Sassari, Italy
| | - Giovanni Cammaroto
- COVID-19 Task Force of the Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France.,Department of Otolaryngology-Head and Neck Surgery, Morgagni Pierantoni Hospital, Forli, Italy
| | - Younes Chekkoury-Idrissi
- Department of Otolaryngology-Head and Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France
| | - Marta Circiu
- Department of Otolaryngology-Head and Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France
| | - Lea Distinguin
- Department of Otolaryngology-Head and Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France
| | - Fabrice Journe
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium
| | | | | | - Maria R Barillari
- COVID-19 Task Force of the Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France.,Division of Phoniatrics and Audiology, Department of Mental and Physical Health and Preventive Medicine, University of Naples SUN, Naples, Italy
| | - Christian Calvo-Henriquez
- Department of Otorhinolaryngology and Head and Neck Surgery, Hospital Complex of Santiago de Compostela, Santiago de Compostela, Spain
| | - Stéphane Hans
- Department of Otolaryngology-Head and Neck Surgery, Foch Hospital, School of Medicine, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France
| | - Sven Saussez
- COVID-19 Task Force of the Young-Otolaryngologists of the International Federations of Oto-rhino-laryngological Societies (YO-IFOS), Paris, France.,Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium.,Department of Otorhinolaryngology and Head and Neck Surgery, CHU de Bruxelles, CHU Saint-Pierre, School of Medicine, Université Libre de Bruxelles, Brussels, Belgium
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