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Desfossés-Vallée S, Leclerc JB, Blanchet P, O’Connor KP, Lavoie ME. Comparing the 'When' and the 'Where' of Electrocortical Activity in Patients with Tourette Syndrome, Body-Focused Repetitive Behaviors, and Obsessive Compulsive Disorder. J Clin Med 2024; 13:2489. [PMID: 38731020 PMCID: PMC11084402 DOI: 10.3390/jcm13092489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/13/2024] Open
Abstract
Background/Objectives: Tourette Syndrome (TS), Obsessive Compulsive Disorder (OCD), and Body-Focused Repetitive Behaviors (BFRB) are three disorders that share many similarities in terms of phenomenology, neuroanatomy, and functionality. However, despite the literature pointing toward a plausible spectrum of these disorders, only a few studies have compared them. Studying the neurocognitive processes using Event-Related Potentials (ERPs) offers the advantage of assessing brain activity with excellent temporal resolution. The ERP components can then reflect specific processes known to be potentially affected by these disorders. Our first goal is to characterize 'when' in the processing stream group differences are the most prominent. The second goal is to identify 'where' in the brain the group discrepancies could be. Methods: Participants with TS (n = 24), OCD (n = 18), and BFRB (n = 16) were matched to a control group (n = 59) and were recorded with 58 EEG electrodes during a visual counting oddball task. Three ERP components were extracted (i.e., P200, N200, and P300), and generating sources were modelized with Standardized Low-Resolution Electromagnetic Tomography. Results: We showed no group differences for the P200 and N200 when controlling for anxiety and depressive symptoms, suggesting that the early cognitive processes reflected by these components are relatively intact in these populations. Our results also showed a decrease in the later anterior P300 oddball effect for the TS and OCD groups, whereas an intact oddball effect was observed for the BFRB group. Source localization analyses with sLORETA revealed activations in the lingual and middle occipital gyrus for the OCD group, distinguishing it from the other two clinical groups and the controls. Conclusions: It seems that both TS and OCD groups share deficits in anterior P300 activation but reflect distinct brain-generating source activations.
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Affiliation(s)
- Sarah Desfossés-Vallée
- Laboratoire de Psychophysiologie Cognitive et Sociale, Montréal, QC H1N 3J4, Canada;
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Julie B. Leclerc
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychologie, Université du Québec à Montréal, Montréal, QC H2X 3P2, Canada
- Centre de Recherche CIUSSS du Nord-de-l’île-de-Montréal, Montréal, QC H4J 1C5, Canada
| | - Pierre Blanchet
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Faculté de Médecine Dentaire, Département de Stomatologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Kieron P. O’Connor
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychiatrie et Addictologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Marc E. Lavoie
- Laboratoire de Psychophysiologie Cognitive et Sociale, Montréal, QC H1N 3J4, Canada;
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Sciences Humaines, Lettres et Communication, Université TÉLUQ, Quebec City, QC G1K 9H6, Canada
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Trau SP, Singer HS. Tourette Syndrome and Tic Disorders. Pediatr Rev 2024; 45:85-95. [PMID: 38296781 DOI: 10.1542/pir.2023-006014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Affiliation(s)
- Steven P Trau
- Division of Child Neurology, Department of Neurology, University of North Carolina-Chapel Hill School of Medicine, Chapel Hill, NC
| | - Harvey S Singer
- Department of Neurology, Johns Hopkins Hospital and the Kennedy Krieger Institute, Baltimore, MD
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Hartmann A, Andrén P, Atkinson-Clément C, Czernecki V, Delorme C, Monique Debes NM, Müller-Vahl K, Paschou P, Szejko N, Topaloudi A, Ueda K, Black KJ. Tourette syndrome research highlights from 2022. F1000Res 2023; 12:826. [PMID: 37691732 PMCID: PMC10483181 DOI: 10.12688/f1000research.135702.2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/18/2023] [Indexed: 07/12/2024] Open
Abstract
This is the ninth yearly article in the Tourette Syndrome Research Highlights series, summarizing selected research reports from 2022 relevant to Tourette syndrome. The authors briefly summarize reports they consider most important or interesting.
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Affiliation(s)
- Andreas Hartmann
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | - Per Andrén
- Department of Psychology, University of Lund, Lund, Sweden, Sweden
| | | | - Virginie Czernecki
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | - Cécile Delorme
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | | | | | | | - Natalia Szejko
- Department of Neurology, University of Calgary, Calgary, Alberta, Canada
| | | | - Keisuke Ueda
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, Missouri, 63110-1010, USA
| | - Kevin J. Black
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, Missouri, 63110-1010, USA
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Hartmann A, Andrén P, Atkinson-Clément C, Czernecki V, Delorme C, Monique Debes NM, Müller-Vahl K, Paschou P, Szejko N, Topaloudi A, Ueda K, Black KJ. Tourette syndrome research highlights from 2022. F1000Res 2023; 12:826. [PMID: 37691732 PMCID: PMC10483181 DOI: 10.12688/f1000research.135702.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/18/2023] [Indexed: 09/12/2023] Open
Abstract
This is the ninth yearly article in the Tourette Syndrome Research Highlights series, summarizing selected research reports from 2022 relevant to Tourette syndrome. The authors briefly summarize reports they consider most important or interesting.
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Affiliation(s)
- Andreas Hartmann
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | - Per Andrén
- Department of Psychology, University of Lund, Lund, Sweden, Sweden
| | | | - Virginie Czernecki
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | - Cécile Delorme
- Department of Neurology, Pitié-Salpêtrière Hospital, Assistance Publique - Hopitaux de Paris, Paris, Île-de-France, 75013, France
| | | | | | | | - Natalia Szejko
- Department of Neurology, University of Calgary, Calgary, Alberta, Canada
| | | | - Keisuke Ueda
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, Missouri, 63110-1010, USA
| | - Kevin J. Black
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, Missouri, 63110-1010, USA
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Subjective impact of COVID-19 pandemic on youth with tic and OCD spectrum disorders. PERSONALIZED MEDICINE IN PSYCHIATRY 2023; 39:100103. [PMCID: PMC10083209 DOI: 10.1016/j.pmip.2023.100103] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objectives This study investigated the perceived impact of the COVID-19 pandemic on youth with chronic tic disorders (CTD) and/or obsessive–compulsive disorder (OCD) based on subjective reports, objective measures, and parental feedback. This study also sought to investigate whether and how these reported experiences differed based on the presence of underlying tic and/or OCD spectrum diagnoses. Methods Children with CTD, OCD, and Tics + OCD and their parents were recruited to complete an online survey from July 2020 through April 2021. Forty-eight responses were received; child respondents had a median age of 12 years. Results On average, youth reported that the pandemic negatively impacted them in several domains, particularly after-school activities, relationships with friends, and social/community gatherings. Despite the small sample size, youth with OCD appeared to experience a greater negative impact compared to other subgroups. Median screen use in this sample was 3–8 hours a day, and youth who reported > 8 hours on weekends trended towards increased depressive symptoms. Conclusion Consistent with the physician-authors’ clinical experiences, youth with CTD, OCD, and Tics + OCD and their parents reported a subjective negative impact of the pandemic on various symptoms and psychosocial domains. Going forward, if another lockdown loomed, it would be valuable to stay attuned to these vulnerable youth, particularly those with OCD symptoms, and consider providing support in specific psychosocial domains, such as relationship with peers and home life.
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