Research

# Discover our current lines of research.

Our current projects

All

Neurodegenerative disorders

Integrative research

Cognitive and affective research

Neuropsychology of multiple sclerosis /

Neuropsychological post-COVID syndrome /

Neuropsychology of Parkinson's disease /

Neuropsychology and cerebellum /

Publications

Peer-reviewed publications in international scientific journals

Nuber-Champier, A., & Péron, J. A. (2025). Striatal (a-) Symmetry Reveals Gender-Specific Autonomic Vulnerabilities in early Parkinson’s Disease.
Nuber-Champier, A., Breville, G., Voruz, P., de Alcântara, I. J., Lalive, P. H., Allali, G., ... & Péron, J. A. (2025). Inflammatory Predictors of Post-COVID Fatigue. Brain, Behavior, & Immunity-Health, 101109.
Sautebin, A., Constantin, I. M., Voruz, P., Thomasson, M., Grandjean, D., Assal, F., & Péron, J. A. (2025). Relationship between impulsivity and vocal emotion recognition following cerebellar stroke. Journal of Affective Disorders Reports, 100969.
Al Awadhi, A., Kiss-Bodolay, D., Grannò, S., Ronchi, R., Bobbink-Blondiaux, E., Tyrand, R., Boëx, C., Voruz, P., Iannotti, G.R., Péron, J.A., Herbelin, B., Blanke, O., Schaller, K. (2025). Human Self and Neurosurgery: Advances and Insights from Geneva, Brain and Spine.
Voruz, P. & Péron, J.A. (2025). Impact of Motor Symptom Asymmetry on Non-Motor Outcomes in Parkinson's Disease: A Systematic Review. npj Parkinon's Disease.
Jacot de Alcântara, I., Voruz, P., Allali, G., Lalive, P.H., & Péron, J.A. (2025). Linking Personality Traits to Disability Progression in Multiple Sclerosis: A Longitudinal Analysis. Archives of Clinical Neuropsychology.
Wuensch, L., Stussi, Y., Vernede, T., Murray, R., Sander, D., Péron, J.A. and Pool, E. (2025). Differential influence of habit components on compulsive and problematic reward-seeking behavior. PLOS Mental Health.
Voruz, P. & Péron, J.A. (2025). Motor Asymmetry in Parkinson’s Disease: Diagnostic Thresholds Based on Clinical Scores and DaTSCAN Imaging. Clinical Parkinsonism & Related Disorders.
Nuber-Champier, A., Voruz, P., Constantin, I., Cionca, A., Péron, J.A. (2025). Cerebrospinal ceramides and cognition as a function of striatal asymmetry in early stage of Parkinson's disease. Journal of Parkinson's Disease.
Voruz, P., Constantin, I.M., Chassot, E., Thomasson, M., Assal, F., & Péron, J.A. (2025). Cognitive Health After Cerebellar Stroke: Potential Link between Socio-Educational Status and Memory Outcome. The Cerebellum.

Master thesis

Eggs, M. (2025). Rôle de la réserve cognitive et de la flexibilité mentale sur les stratégies d’adaptation utilisées chez les personnes vivant avec la sclérose en plaques. Université de Genève. Maîtrise de Psychologie Clinique Intégrative.
Colin, M. (2025). Explorer la reconnaissance des émotions musicales et faciales dans la dégénérescence lobaire fronto-temporale au stade précoce. Université de Genève. Maîtrise de Psychologie
Colombel, C. (2025). The role of habit in the persistence of anorexia nervosa: Can manipulating distraction levels in a dual task paradigm allow for a valid detection of habitual restrictive eating behaviour? Preliminary Results. Université de Genève. Maîtrise de Psychologie
Delobel, S. (2025). Exploration des liens entre la personnalité, la dépression et les performances cognitives en mémoire épisodique verbale chez les personnes atteintes de sclérose en plaques. Université de Genève. Maîtrise de Psychologie

Peer-reviewed publications in international scientific journals

Guedj, E., Cionca, A., Péron, J. A., Ayubcha, C., Assal, F., Horowitz, T., & Alavi, A. (2024). Long Coronavirus Disease and the Brain: Molecular Neuroimaging Insights into Neurologic and Psychiatric Sequelae. PET clinics.
Voruz, P., Grandjean, D., Drapier, S., Drapier. D., Vérin. M., Péron. JA., (2024). Differential effects of disease duration and dopaminergic replacement therapy on vocal emotion recognition in asymmetric Parkinson’s disease. Neurodegenerative Diseases.
Voruz, P., Orepic, P., Coll, S. Y., Haemmerli, J., Blanke, O., Péron, J. A., ... & Iannotti, G. R. (2024). Self-other voice discrimination task: A potential neuropsychological tool for clinical assessment of self-related deficits. Heliyon.
Nuber-Champier, A., Breville, G., Voruz, P., Jacot de Alcântara, I. J., Cionca, A., Allali, G., Lalive, P.H., Benzakour, L., Lövblad, K.-O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J.-L, Pugin, J., Guessous, I., Landis, B.N., Assal F., & Péron, J. A. (2024). Systemic cytokines related to cognitive function 6-9 months and 12-15 months after SARS-CoV-2 infection. Scientific Reports.
Péron JA. (Accepted). Challenges and Prospects in Advancing Clinical Neuropsychology. Cortex.
Lingenberg, A., Herrmann, F.R., Armand, S., Péron, J.A., Assal, F., & Allali, G. (Accepted). Forget about memory: disentangling the amnestic syndrome in idiopathic Normal Pressure Hydrocephalus. Journal of Alzheimer’s Disease.
Manto, M., Adamaszek, M., Apps, R., Carlson, E., Guarque-Chabrera, J., Heleven, E., Shinji, K., Khodakhah, K., Kuo, S-H., Lin, C-Y., Joshua, M., Miquel, M., Mitoma, H., Larry, N., Péron, J A., Pickford, J., Schutter, D., Singh, M., Tan, T., Tanaka, H., Tsai, P., & Yamashiro, K. (Accepted). Consensus paper: Cerebellum and Reward. The Cerebellum.
Tipura, E., Jacot De Alcantara, I., Mantelli, A., Duong Phan Thanh, L., Fischer, A., Vuilleumier, P., & Ronchi, R. (2024). I don’t feel sick: Cognitive and affective processing of self-health associations using the Implicit Association Test. Journal of Health Psychology, 13591053241233509. https://doi.org/10.1177/13591053241233509
Voruz, P., Cionca, A., Assal, F., Péron, JA. (2024). Response: Limbic system damage following SARS-CoV2 infection. Brain Communications, 5(6), fcad342.
Péron, J. A. (2024). Beyond corticocentrism in human neuropsychology: Discoveries unattainable 60 years ago. Cortex. 170, 64-68.
Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Cionca, A., Guérin, D., Allali, G., Benzakour, L., Lalive, L., Lövblad, K.-O., Braillard, O., Nencha, U., Nehme, M., Coen, M., Serratrice, J., Reny, J.-L., Pugin, J., Guessous, I., Landis, BN, Assal , F. and Peron, J. (2024). Persistence and emergence of new neuropsychological deficits following SARS-CoV-2 infection: a follow-up evaluation of the Geneva COVID-COG cohort. Journal of Global Health.14.
Benis, D., Voruz, P., Catalano Chiuvé, S., Garibotto, V., Assal, F., Paul, K., Peron, J. and Fleury, F. (2024). Electroencephalographic abnormalities in a patient with long-term neuropsychological complications following SARS-Cov2 infection. Case reports in neurology, 16(1), 6.

PhD thesis

Voruz, Philippe (2024). Impact de l’asymétrie motrice sur les symptômes non-moteurs dans la maladie de Parkinson. Université de Genève. Doctorat en Psychologie. Doi: 10.13097/archive-ouverte/unige:179844

Oral communications

Voruz, P. The impact of motor asymmetry on non-motor symptoms in Parkinson's disease. Annual Research Forum (ARF). Geneva, Switzerland.
Voruz, P., Assal, F., & Peron, J. A. (2024). The economic burden of post-COVID-19 condition: underestimated long-term consequences of neuropsychological deficits. Geneva Health Forum (GHF) – Qualified for Speedtalks (top 4). Geneva, Switzerland.

Posters

Nuber-Champier, A., Cionca, A., Breville, G., Voruz, P., de Alcântara, I. J., Allali, G., ... & Péron, J. A. (2023). Acute TNFα levels predict cognitive impairment 6–9 months after COVID-19 infection. Annual conference of the clinical research centre of the University Hospitals of Geneva.
Jacot de Alcântara, I., Voruz, P., Allali, G., Lalive, P., M.P., & Péron, J.A. (2024). Encompassing the Complexity of Personality to Understand its Impact on Disability in Multiple Sclerosis. MS State of the Art Symposium. Luzern, Switzerland.
Constantin, I.M., Voruz, P., Nuber-Champier, A. and Péron, J.A. (2024).
Relations longitudinales entre les performances cognitives et les profils de biomarqueurs en fonction de l’asymétrie motrice dans la maladie de Parkinson. Journées de Neurologie de Langue Française 2024, Paris, France. [e-poster]

Peer-reviewed publications in international scientific journals

Thomasson†, M., Voruz†, P., Cionca, A., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P., Lövblad, K. -O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J.-L., Pugin, J., Guessous, I., Landis, BN, Griffa, A. , Van De Ville, D., Assal F. and Péron, JA (2023). Markers of limbic system damage following SARS-CoV-2 infection. Brain Communications. † These authors participated equally in this work.
Constantin, IM, Voruz, P. and Péron, JA (2023). Moderating effects of uric acid and sex on cognition and psychiatric symptoms in asymmetric Parkinson's disease. Biology of sex differences, 14 (1), 1-11 .
Zacharia, A., Kaski, D., Bouthour, W., Dayal, V., Bereau, M., Mahlknecht, P., Georgiev, D., Péron, JA, Foltynie, T., Zrinzo, L., Jahanshahi , M., Rothwell, J. and Limousin, P. (2023). Effects of deep brain stimulation frequency on eye movements and cognitive control. Npj Parkinson's disease , 9(1) .
Nuber-Champier, A., Cionca, A., Breville, G., Voruz, P., Jacot de Alcântara, I., Allali, G., Lalive, PH, Benzakour, L., Lövblad, K.-O. Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J.-L, Pugin, J., Guessous, I., Landis, BN, Griffa, A., Van De Ville , D., Assal, F., & Péron, JA (2023). Acute TNFα levels predict cognitive impairment 6-9 months after COVID-19 infection. Psychoneuroendocrinology, 153 , 106104.
Nuber-Champier, A., Voruz, P., Cionca, A., De Alcântara, IJ, Péron, JA and Assal, F. (2023). Covid long: neurological aspects. Revue Médicale Suisse, 19 (827), 972-974.
Voruz, P., Jacot De Alcântara, I., Cionca, A., Nuber-Champier, A., Assal, F. and Peron, JA (2023). Post-COVID-19 neuropsychological syndrome. Revue Médicale Suisse, 19 (824), 800-802.
Thomasson, M., & Péron, JA (2023). Role of the cerebellum in emotion. Revue de neuropsychologie , 15, 7-16. https://doi.org/10.1684/nrp.2023.0739
Thomasson, M., Ceravolo, L., Corradi-Dell'Acqua, C., Mantelli, A., Saj, A., Assal, F., ... & Péron, J. (2023). Cerebellar-cerebral network dysfunction associated with vocal emotion recognition disorders. Communications from the cerebral cortex .
Voruz, P., Assal, F. and Péron, JA (2023). The economic burden of post-COVID-19 illness: underestimated long-term consequences of neuropsychological deficits. Journal of Global Health, 13 .
Jacot de Alcântara, I., Voruz, P., Allali, G., Fragnoli, C., Antoniou, MP, Lalive, PH & Péron, JA (2023). Personality as a predictor of disability in multiple sclerosis. Archives of clinical neuropsychology.
Voruz, P., Haegelen, C., Assal, Sophie Drapier, S., Drapier, D., Sauleau, P., Vérin, M., Péron, JA, (2023). Motor symptom asymmetry predicts cognitive and neuropsychiatric profile following deep brain stimulation of the subthalamic nucleus in Parkinson's disease: a 5-year longitudinal study. Archives of clinical neuropsychology.
Jacot de Alcântara, I., Nuber-Champier, A., Voruz, P. ; Cionca, A., Assal, F., Péron, JA (2023). Cognitive deficits during the acute phase of COVID-19: a review and meta-analysis. Journal of Clinical Medicine , 12(762). https://doi.org/10.3390/ jcm12030762

Invited lectures

Péron, J. (2023). Emotional processing in Parkinson's disease . Journée de Printemps de la Société de Neuropsychologie de Langue Française (SNLF), 23 May, Caen, France.

Oral communications

Jacot de Alcântara, I. (2023). Rôle de la personnalité sur le handicap dans la sclérose en plaques. Nurse Expert Meeting Romandie. Genève, Suisse.
Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P., Lövblad, KO., Braillard, O., Nehme , M., Coen, M., Serratrice, J., Reny, JL., Pugin, J., Guessous, I., Landis, BN, Griffa, A., Van De Ville, D., Assal, F., Péron, JA (2023). Brain network dynamics associated with self-awareness disorders 6-9 months after SARS-CoV-2 infection. Oral communication, OHBM 2023 Annual Meeting. Montreal, Canada
Voruz, P., Cionca, A., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Lamyae Benzakour, Marine Thomasson, Patrice H. Lalive, Karl-Olof Lövblad, Olivia Braillard, Mayssam Nehme , Matteo Coen, Jacques Serratrice, Jérôme Pugin, Idris Guessous, Basile N. Landis, Dan Adler, Alessandra Griffa, Dimitri Van De Ville, Frédéric Assal, & Péron, JA (2023). The COVID-COG project. Closing conference of NRP 78, 21 March, Thun, Switzerland.
Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P., Lövblad, KO., Braillard, O., Nehme , M., Coen, M., Serratrice, J., Reny, JL., Pugin, J., Guessous, I., Landis, BN, Griffa, A., Van De Ville, D., Assal, F., & Péron, JA (2023). Brain network dynamics associated with self-consciousness disorders in post-COVID-19 neuropsychological conditions: brainstem bridge fMRI co-activation patterns. European Conference on Clinical Neuroimaging (ECCN), 14 March Genoa, Italy.

Posters

Nuber-Champier, A., Cionca, A., Breville, G., Voruz, P., Jacot de Alcântara, I., Allali, G., Lalive, P.H., Benzakour, L., Lövblad, K.-O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J.-L, Pugin, J., Guessous, I., Landis, B.N., Griffa, A., Van De Ville, D., Assal, F., & Péron, J.A. Acute TNFα levels predict cognitive impairment 6-9 months after COVID-19 infection. ASNP, Journée Romande de Neuropsychologie. Sion 2023. *** Best Poster Award ***
Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P., Lövblad, K-O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J-L., Pugin, J., Guessous, I., Landis, B.N., Griffa, A., Van De Ville, D., Assal, F., Péron, J.A. Brain network dynamics associated with self-awareness disorders 6 to 9 months following SARS-CoV-2 infection. (2023). Poster, OHBM Annual Meeting 2023. Montréal, Canada.
Voruz, P., & Péron, J. A. (2023). Motor symptom asymmetry predicts emotional and cognitive theory of mind outcome following STN DBS in Parkinson's disease. World Parkinson Congress 2023, Barcelona, Spain.
Constantin, I. M., Voruz, P., & Péron, J. A. (2023). Moderating effects of uric acid and sex on cognition and psychiatric symptoms in asymmetric Parkinson’s disease. World Parkinson Congress 2023, Barcelona, Spain.
Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P.,Lövblad, K-O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J-L., Pugin, J., Guessous, I., Landis, B.N., Griffa, A., Van De Ville, D., Assal, F., & Péron, J.A. (2023). Brain network dynamics associated with self-awareness disorders in neuropsychological post-COVID-19 condition: fMRI co-activation patterns of the brainstem pons. Alpine Brain Imaging Meeting, Champéry, Switzerland.
Thomasson, M., Ceravolo, L., Corradi-Dell’Acqua, C., Mantelli, A., Saj, A., Assal, A., Grandjean, D., & Péron, J (2023). Dysfunctional cerebello-cerebral network associated with vocal emotion impairments. Alpine Brain Imaging Meeting, Champéry, Switzerland.

E-Letters

Péron, J., Gruber, T., & Grandjean, D. (published 2/9/2022) Comments to Thibault et al. Tool use and language share syntactic processes and neural patterns in the basal ganglia. Science.

Peer-reviewed publications in international scientific journals

Contributions to books

Thomasson, M., & Péron, J. (2022). Principles of Brain and Emotion: Beyond the Cortico-Centric Bias. In The Emotional Cerebellum (pp. 13-24). Cham: Springer International Publishing.
Pierce, J. E., & Péron, J. A. (2022). Reward-Based Learning and Emotional Habit Formation in the Cerebellum. In The Emotional Cerebellum (pp. 125-140). Cham: Springer International Publishing.

PhD thesis

Thomasson, Marine (2022). Spécialisation et intégration fonctionnelle du cervelet dans la reconnaissance des expressions vocales émotionnelles. Université de Genève. Doctorat en Psychologie. Doi: 10.13097/archive-ouverte/unige:165788

Master thesis

Verger, H. (2022). Développement d’un questionnaire sur les habitudes. Université de Genève. Maîtrise de Psychologie.
Charpilloz, P. (2022). Les conséquences neuropsychologiques à la suite d’une infection au SARS-CoV-2 : l’ anosognosie des déficits mnésiques est-elle indicatrice de la présence de troubles mnésiques et émotionnels ? Université de Genève. Maîtrise de Psychologie

Invited talks

Péron, J. (2022). Beyond the cortico-centric vision: contribution of the neuropsychology of emotion. Journée de Printemps de la Société de Neuropsychologie de Langue Française (SNLF), May 23, Evian, France.
Thomasson, M. (2022). Emotional role of the cerebellum. Journée de Printemps de la Société de Neuropsychologie de Langue Française (SNLF), May 23, Evian, France.
Péron, J. (2022). Neuropsychological post-COVID syndrome. Academic Colloquium of the Leenaards Memory Center, Lausanne, Switzerland.
Voruz, P. (2022). Motor symptom asymmetry in Parkinson’s disease and cognition. Academic Colloquium of the Leenaards Memory Center, Lausanne, Switzerland.
Thomasson, M. « Le rôle du cervelet dans les fonctions cognitives et émotionnelles ». (2022). Academic Colloquium of the Leenaards Memory Center, Lausanne, Switzerland.

Oral communications

Jacot de Alcântara, I., & Péron, J.A (2022). Neuropsychologie et sclérose en plaques. Soirée d'information Suisse SEP. Genève, Suisse.
Voruz, P., Assal, F., Péron, JA., (2022). Neuropsychological post-COVID-19 condition. Journée Romande de Neurologie. University Hospitals of Geneva.
Voruz, P., Cionca A., Allali, G., Benzakour, L., Nuber-Champier, A., Thomasson, M., Jacot, I., ... & Peron, J. A. (2022). Functional connectivity underlying cognitive and psychiatric symptoms in post-COVID-19 syndrome: is anosognosia a key determinant ? Annual Research Forum (ARF). Geneva, Switzerland.
Voruz, P., Allali, G., Benzakour, L., Nuber-Champier, A., Thomasson, M., Jacot, I., ... & Peron, J.A. (2022). Functional connectivity underlying cognitive and psychiatric symptoms in post-COVID-19 syndrome: is anosognosia a key determinant ? Centre d’Imagerie Bio-Médicale (CIBM) Research Day, June 1st, Geneva, Switzerland.
Voruz, P., Cionca A., Allali, G., Benzakour, L., Nuber-Champier, A., Thomasson, M., Jacot, I., ... & Peron, J.A. (2022). Functional connectivity underlying cognitive and psychiatric symptoms in post-COVID-19 syndrome: is anosognosia a key determinant ? Annual Research Day at the University Hospitals of Geneva, Geneva, Switzerland.

Posters

Thomasson, M., Ceravolo, L., Corradi-Dell’Acqua, C., Mantelli, A., Saj, A., Assal, A., Grandjean, D., & Péron, J. (2022). Cerebellar contributions to human vocal emotion recognition. International Society for Research on Emotion, Los Angeles, Etats-Unis.
Thomasson, M., Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P.,Lövblad, K-O., Braillard, O., Nehme, M., Coen,M., Serratrice, J., Pugin, J., Guessous, I., Landis, B.N., Adler, D., Van De Ville, D., Assal, F., & Péron, J.A. (2022). Neuropsychological evidence of long-term limbic system dysfunctioning following SARS-CoV-2. Alpine Brain Imaging Meeting, Champéry, Switzerland.
Jacot de Alcântara, I., Voruz, P., Allali, G., Lalive, P., Fragnoli, C., Antoniou, M.P., Péron, J.A. (2022). Personality as a predictor of disability in Multiple Sclerosis. CISA Annual Research Forum, Geneva, Switzerland.
Constantin IM, Voruz P, Péron JA. Moderating effects of uric acid and sex on non-motor symptoms in asymmetric Parkinson's disease (2022). CISA Annual Research Forum, Geneva, Switzerland.
Cionca, A., Voruz, P., Jacot de Alcântara, I., Nuber-Champier, A., Allali, G., Benzakour, L., Lalive, P., Lövblad, K-O., Braillard, O., Nehme, M., Coen, M., Serratrice, J., Reny, J-L., Pugin, J., Guessous, I., Ptak, R., Landis, B.N., Adler, D., Griffa, A., Van De Ville, D., Assal F., & Péron, J.A. (2022) Investigation of neuropsychological and neurological impact of SARS-CoV-2: the Geneva COVID-COG project. CISA Annual Research Forum, Geneva, Switzerland.
Jacot de Alcântara, I., Voruz, P., Allali, G., Lalive, P., Fragnoli, C., Antoniou, M.P., Péron, J.A. (2022). Personality as a predictor of disability, progression, and treatment adherence in Multiple Sclerosis. BBL CIBM FCBG Research Day. Geneva, Switzerland.
Constantin IM, Voruz P, Péron JA. Moderating effects of uric acid and gender on non-motor symptoms in asymmetric Parkinson's disease (2022). BBL CIBM FCBG Research Day. Geneva, Switzerland.

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