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Willford S, Deeb W. Scoping Review of Multidisciplinary Care in Tourette Syndrome. Mov Disord Clin Pract 2023; 10:868-877. [PMID: 37332642 PMCID: PMC10272911 DOI: 10.1002/mdc3.13731] [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: 07/05/2022] [Revised: 02/03/2023] [Accepted: 03/05/2023] [Indexed: 03/20/2023] Open
Abstract
Objective To review current multidisciplinary care practices in patients with Tourette syndrome (TS). Background Individuals with TS can have multiple symptoms and comorbidities and require treatment to encompass all of their needs. A multidisciplinary research or care model approaches the situation/problem from all sides and uses multiple perspectives. Methods A database search of Medline (using Pubmed), PsychINFO, and Scopus was performed using keywords related to multidisciplinary care and TS. The authors then screened the results for relevant information using a standardized extraction form to collect data. Next, relevant codes from text analysis were extracted with a final list agreed on with author consensus. Finally, we inferred common themes. Results The search revealed 2304 citations, and 87 were selected for full-text analysis. One additional article was identified by manual search. Thirty-one citations were deemed relevant. Multidisciplinary team members typically included a psychiatrist or child psychiatrist, a neurologist or child neurologist, and a psychologist or therapist at the core. Four primary benefits were associated with multidisciplinary care: establishing the diagnosis, managing the complexity of TS and its associated comorbidities, averting complications, and evaluating advanced therapies. Limitations include possible poor team dynamics and rigidity in the approach leading to an algorithmic treatment plan. Conclusions A multidisciplinary care model for TS is the preferred model advocated by patients, physicians, and organizations. This scoping review reveals that the impetus for multidisciplinary care rests on four primary benefits, but there is a lack of empirical evidence for defining and evaluating its use.
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Affiliation(s)
- Samantha Willford
- Department of NeurologyUMass Chan Medical SchoolWorcesterMassachusettsUSA
| | - Wissam Deeb
- Department of NeurologyUMass Chan Medical SchoolWorcesterMassachusettsUSA
- Department of NeurologyUMass Memorial Medical CenterWorcesterMassachusettsUSA
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2
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The price of love: an investigation into the relationship between romantic love and the expression of obsessive-compulsive disorder. CNS Spectr 2022; 27:691-698. [PMID: 34039460 DOI: 10.1017/s1092852921000444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND The present study explored the influence of romantic love on the expression of several obsessive-compulsive disorder (OCD) characteristics, including symptom severity, symptom dimensions, age at onset, sensory phenomena (SP), and developmental course, as well as other related comorbid disorders. It was hypothesized that love-precipitated OCD would be associated with a set of distinct characteristics and exhibit greater rates of comorbid disorders. METHODS The analyses were performed using a large sample (n = 981) of clinical patients with a primary diagnosis of OCD (Females = 67.3%, M age = 35.31). RESULTS Love-precipitated OCD was associated with greater severity of SP and later age at onset of obsessions. However, symptom severity, symptom dimension, developmental course, and psychiatric comorbidities were not associated with love-precipitated OCD. CONCLUSION It was concluded that romantic love does shape the expression of OCD, especially with regard to SP and onset age. These findings encourage further exploration to determine its clinical significance as a phenotype.
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Bharti K, Conte G, Tommasin S, Giannì C, Suppa A, Mirabella G, Cardona F, Pantano P. White matter alterations in drug-naïve children with Tourette syndrome and obsessive-compulsive disorder. Front Neurol 2022; 13:960979. [PMID: 36262836 PMCID: PMC9575657 DOI: 10.3389/fneur.2022.960979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Tourette syndrome (TS) and early-onset obsessive-compulsive disorder (OCD) are frequently associated and conceptualized as distinct phenotypes of a common disease spectrum. However, the nature of their relationship is still largely unknown on a pathophysiological level. In this study, early structural white matter (WM) changes investigated through diffusion tensor imaging (DTI) were compared across four groups of drug-naïve children: TS-pure (n = 16), TS+OCD (n = 14), OCD (n = 10), and 11 age-matched controls. We analyzed five WM tracts of interest, i.e., cortico-spinal tract (CST), anterior thalamic radiations (ATR), inferior longitudinal fasciculus (ILF), corpus callosum (CC), and cingulum and evaluated correlations of DTI changes to symptom severity. Compared to controls, TS-pure and TS+OCD showed a comparable pattern of increased fractional anisotropy (FA) in CST, ATR, ILF and CC, with FA changes displaying negative correlation to tic severity. Conversely, in OCD, FA decreased in all WM tracts (except for the cingulum) compared to controls and negatively correlated to symptoms. We demonstrate different early WM microstructural alterations in children with TS-pure/TS+OCD as opposed to OCD. Our findings support the conceptualization of TS+OCD as a subtype of TS while suggesting that OCD is characterized by independent pathophysiological mechanisms affecting WM development.
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Affiliation(s)
- Komal Bharti
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Giulia Conte
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
- *Correspondence: Giulia Conte
| | - Silvia Tommasin
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Costanza Giannì
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Isernia, Italy
| | - Antonio Suppa
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Isernia, Italy
| | - Giovanni Mirabella
- Department of Clinical and Experimental Sciences Section, Brescia University, Brescia, Italy
| | - Francesco Cardona
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Patrizia Pantano
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Isernia, Italy
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4
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Szejko N, Worbe Y, Hartmann A, Visser-Vandewalle V, Ackermans L, Ganos C, Porta M, Leentjens AFG, Mehrkens JH, Huys D, Baldermann JC, Kuhn J, Karachi C, Delorme C, Foltynie T, Cavanna AE, Cath D, Müller-Vahl K. European clinical guidelines for Tourette syndrome and other tic disorders-version 2.0. Part IV: deep brain stimulation. Eur Child Adolesc Psychiatry 2022; 31:443-461. [PMID: 34605960 PMCID: PMC8940783 DOI: 10.1007/s00787-021-01881-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 09/15/2021] [Indexed: 12/13/2022]
Abstract
In 2011 the European Society for the Study of Tourette Syndrome (ESSTS) published its first European clinical guidelines for the treatment of Tourette Syndrome (TS) with part IV on deep brain stimulation (DBS). Here, we present a revised version of these guidelines with updated recommendations based on the current literature covering the last decade as well as a survey among ESSTS experts. Currently, data from the International Tourette DBS Registry and Database, two meta-analyses, and eight randomized controlled trials (RCTs) are available. Interpretation of outcomes is limited by small sample sizes and short follow-up periods. Compared to open uncontrolled case studies, RCTs report less favorable outcomes with conflicting results. This could be related to several different aspects including methodological issues, but also substantial placebo effects. These guidelines, therefore, not only present currently available data from open and controlled studies, but also include expert knowledge. Although the overall database has increased in size since 2011, definite conclusions regarding the efficacy and tolerability of DBS in TS are still open to debate. Therefore, we continue to consider DBS for TS as an experimental treatment that should be used only in carefully selected, severely affected and otherwise treatment-resistant patients.
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Affiliation(s)
- Natalia Szejko
- Department of Neurology, Medical University of Warsaw, Banacha 1a, 02-091, Warsaw, Poland.
- Department of Bioethics, Medical University of Warsaw, Banacha 1a, 02-091, Warsaw, Poland.
- Department of Neurology, Yale School of Medicine, Yale University, New Haven, USA.
| | - Yulia Worbe
- Department on Neurophysiology, Saint Antoine Hospital, Sorbonne Université, Paris, France
- National Reference Center for Tourette Disorder, Pitié Salpetiere Hospital, Paris, France
| | - Andreas Hartmann
- Department of Neurosurgery, Pitié-Salpetriere Hospital, Sorbonne Université, Paris, France
| | - Veerle Visser-Vandewalle
- Department of Stereotactic and Functional Neurosurgery, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Linda Ackermans
- Department of Neurosurgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Christos Ganos
- Department of Neurology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Mauro Porta
- Department of Neurosurgery and Neurology, IRCCS Instituto Ortopedico Galeazzi, Milan, Italy
| | - Albert F G Leentjens
- Department of Psychiatry, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Jan-Hinnerk Mehrkens
- Department of Neurosurgery, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - Daniel Huys
- Department of Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany
| | | | - Jens Kuhn
- Department of Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany
- Department of Psychiatry, Psychotherapy, and Psychosomatics, Johanniter Hospital Oberhausen, Oberhausen, Germany
| | - Carine Karachi
- National Reference Center for Tourette Disorder, Pitié Salpetiere Hospital, Paris, France
- Department of Neurosurgery, Pitié-Salpetriere Hospital, Sorbonne Université, Paris, France
- Department of Neurology, Pitié-Salpetriere Hospital, Sorbonne Université, Paris, France
| | - Cécile Delorme
- Department of Neurosurgery, Pitié-Salpetriere Hospital, Sorbonne Université, Paris, France
| | - Thomas Foltynie
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Andrea E Cavanna
- Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Danielle Cath
- Department of Specialist Trainings, GGZ Drenthe Mental Health Institution, Assen, The Netherlands
- Department of Psychiatry, University Medical Center Groningen, Rijks University Groningen, Groningen, The Netherlands
| | - Kirsten Müller-Vahl
- Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
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Suicidal ideation and suicidal attempts in patients with obsessive-compulsive tic-related disorder vs obsessive-compulsive disorder: results of a multicenter Italian study. CNS Spectr 2021; 26:354-361. [PMID: 32372727 DOI: 10.1017/s1092852920001157] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) and tic disorder (TD) represent highly disabling, chronic and often comorbid psychiatric conditions. While recent studies showed a high risk of suicide for patients with OCD, little is known about those patients with comorbid TD (OCTD). Aim of this study was to characterize suicidal behaviors among patients with OCD and OCTD. METHODS Three hundred and thirteen outpatients with OCD (n = 157) and OCTD (n = 156) were recruited from nine different psychiatric Italian departments and assessed using an ad-hoc developed questionnaire investigating, among other domains, suicide attempt (SA) and ideation (SI). The sample was divided into four subgroups: OCD with SA (OCD-SA), OCD without SA (OCD-noSA), OCTD with SA (OCTD-SA), and OCTD without SA (OCTD-noSA). RESULTS No differences between groups were found in terms of SI, while SA rates were significantly higher in patients with OCTD compared to patients with OCD. OCTD-SA group showed a significant male prevalence and higher unemployment rates compared to OCD-SA and OCD-noSA sample. Both OCTD-groups showed an earlier age of psychiatric comorbidity onset (other than TD) compared to the OCD-SA sample. Moreover, patients with OCTD-SA showed higher rates of other psychiatric comorbidities and positive psychiatric family history compared to the OCD-SA group and to the OCD-noSA groups. OCTD-SA and OCD-SA samples showed higher rates of antipsychotics therapies and treatment resistance compared to OCD-noSA groups. CONCLUSIONS Patients with OCTD vs with OCD showed a significantly higher rate of SA with no differences in SI. In particular, OCTD-SA group showed different unfavorable epidemiological and clinical features which need to be confirmed in future prospective studies.
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A population-based family clustering study of tic-related obsessive-compulsive disorder. Mol Psychiatry 2021; 26:1224-1233. [PMID: 31616041 PMCID: PMC7985024 DOI: 10.1038/s41380-019-0532-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 09/09/2019] [Accepted: 09/19/2019] [Indexed: 11/08/2022]
Abstract
In the latest edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), obsessive-compulsive disorder (OCD) included a new "tic-related" specifier. However, strong evidence supporting tic-related OCD as a distinct subtype of OCD is lacking. This study investigated whether, at the population level, tic-related OCD has a stronger familial load than non-tic-related OCD. From a cohort of individuals born in Sweden between 1967 and 2007 (n = 4,085,367; 1257 with tic-related OCD and 20,975 with non-tic-related OCD), we identified all twins, full siblings, maternal and paternal half siblings, and cousins. Sex- and birth year-adjusted hazard ratios (aHR) were calculated to estimate the risk of OCD in relatives of individuals with OCD with and without comorbid tics, compared with relatives of unaffected individuals. We found that OCD is a familial disorder, regardless of comorbid tic disorder status. However, the risk of OCD in relatives of individuals with tic-related OCD was considerably greater than the risk of OCD in relatives of individuals with non-tic-related OCD (e.g., risk for full siblings: aHR = 10.63 [95% CI, 7.92-14.27] and aHR = 4.52 [95% CI, 4.06-5.02], respectively; p value for the difference < 0.0001). These differences remained when the groups were matched by age at first OCD diagnosis and after various sensitivity analyses. The observed familial patterns of OCD in relation to tics were not seen in relation to other neuropsychiatric comorbidities. Tic-related OCD is a particularly familial subtype of OCD. The results have important implications for ongoing gene-searching efforts.
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Benatti B, Celebre L, Girone N, Priori A, Bruno A, Viganò C, Hollander E, Dell'Osso B. Clinical characteristics and comorbidity associated with female gender in obsessive-compulsive disorder. J Psychiatr Res 2020; 131:209-214. [PMID: 32998082 DOI: 10.1016/j.jpsychires.2020.09.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/04/2020] [Accepted: 09/17/2020] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Obsessive-compulsive disorder (OCD) is a heterogeneous condition characterized by largely variable phenotypic expressions. Previous findings suggested that gender may be a relevant factor in mediating this heterogeneity. The present study aimed at exploring gender differences in a large clinical sample of Italian OCD patients. METHODS Socio-demographic and clinical variables of a sample of 229 consecutive OCD outpatients were included in a common database. Patients were assessed through structured clinical interviews, the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and the Clinical Global Impression (CGI) scale. RESULTS Female OCD patients were more likely than males to have lifetime psychiatric comorbidities (72.6% vs 56.9%; p < 0.05), poly-comorbidities being twice as high compared to males. The female group also showed a significant later onset of symptoms (63.7% vs 44.8%; p < 0.005) and a higher age at first treatment (30.98 ± 13.1 years vs 27.81 ± 11.3; p < 0.005). Moreover, the female subgroup presented higher rates of cleaning and washing compulsions, compared to the male subgroup (28.7% vs 12.6% in the male group; p < 0.005). CONCLUSIONS The current study supports the notion that OCD in female gender is frequently a comorbid condition with other specific clinical characteristics compared to male patients. These findings should be considered in epidemiologic and therapeutic perspectives.
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Affiliation(s)
- Beatrice Benatti
- Luigi Sacco University Hospital, Psychiatry 2 Unit, University of Milan, Milan, Italy.
| | - Laura Celebre
- Luigi Sacco University Hospital, Psychiatry 2 Unit, University of Milan, Milan, Italy; Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Italy
| | - Nicolaja Girone
- Luigi Sacco University Hospital, Psychiatry 2 Unit, University of Milan, Milan, Italy
| | - Alberto Priori
- "Aldo Ravelli" Center for Nanotechnology and Neurostimulation, University of Milan, Milan, Italy
| | - Antonio Bruno
- Department of Biomedical and Dental Sciences and Morpho-functional Imaging, University of Messina, Italy
| | - Caterina Viganò
- Luigi Sacco University Hospital, Psychiatry 2 Unit, University of Milan, Milan, Italy
| | - Eric Hollander
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
| | - Bernardo Dell'Osso
- Luigi Sacco University Hospital, Psychiatry 2 Unit, University of Milan, Milan, Italy; "Aldo Ravelli" Center for Nanotechnology and Neurostimulation, University of Milan, Milan, Italy; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA; "Centro per Lo Studio Dei Meccanismi Molecolari Alla Base Delle Patologie Neuro-psico-geriatriche", University of Milan, Milan, Italy
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Deep Brain Stimulation for Gilles de la Tourette Syndrome: Toward Limbic Targets. Brain Sci 2020; 10:brainsci10050301. [PMID: 32429219 PMCID: PMC7287742 DOI: 10.3390/brainsci10050301] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/14/2020] [Accepted: 05/14/2020] [Indexed: 01/01/2023] Open
Abstract
Gilles de la Tourette syndrome (GTS) is a complex neurodevelopmental disorder characterized by tics and, frequently, psychiatric and behavioral comorbidities. Above all, obsessive compulsive disorder/behavior (OCD/OCB) influences the clinical picture and has a severe impact on quality of life, eventually more than the tics themselves. Deep brain stimulation (DBS) is an effective therapy in selected, refractory cases. Clinical response to DBS may vary according to the clinical picture, comorbidities, and to the anatomical target. This retrospective study compares the results obtained from DBS in the ventralis oralis/centromedian-parascicular nucleus of the thalamus (Voi-Cm/Pf) (41 patients) and antero-medial Globus Pallidus internus (am-GPi) (14 patients), evaluating clinical response over time by means of Yale Global Tic Severity Scale (YGTSS) and Yale–Brown Obsessive-Compulsive Scale (YBOCS) scores over a period of 48 months. A significant and stable improvement in the YGTSS and YBOCS has been obtained in both groups (p < 0.001). There was a significant difference in YBOCS improvement over time between the am-GPi group and the Voi-Cm/Pf group, indicating a better and faster control of OCD/OCB symptoms in the former group. The ratio of hardware removal was 23% and limited to 13 patients in the Voi-Cm/Pf group. These results confirm that DBS is an effective therapy in treating GTS and suggest that the am-GPi might be superior to Voi-Cm/Pf in alleviating comorbid OCD/OCB.
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Lamothe H, Baleyte JM, Mallet L, Pelissolo A. Trichotillomania is more related to Tourette disorder than to obsessive-compulsive disorder. REVISTA BRASILEIRA DE PSIQUIATRIA (SAO PAULO, BRAZIL : 1999) 2020; 42:87-104. [PMID: 31576938 PMCID: PMC6986481 DOI: 10.1590/1516-4446-2019-0471] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Accepted: 06/08/2019] [Indexed: 01/18/2023]
Abstract
OBJECTIVE Trichotillomania (TTM) is characterized by the pulling out of one's hair. TTM was classified as an impulse control disorder in DSM-IV, but is now classified in the obsessive-compulsive related disorders section of DSM-5. Classification for TTM remains an open question, especially considering its impact on treatment of the disorder. In this review, we questioned the relation of TTM to tic disorder and obsessive-compulsive disorder (OCD). METHOD We reviewed relevant MEDLINE-indexed articles on clinical, neuropsychological, neurobiological, and therapeutic aspects of trichotillomania, OCD, and tic disorders. RESULTS Our review found a closer relationship between TTM and tic disorder from neurobiological (especially imaging) and therapeutic standpoints. CONCLUSION We sought to challenge the DSM-5 classification of TTM and to compare TTM with both OCD and tic disorder. Some discrepancies between TTM and tic disorders notwithstanding, several arguments are in favor of a closer relationship between these two disorders than between TTM and OCD, especially when considering implications for therapy. This consideration is essential for patients.
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Affiliation(s)
- Hugues Lamothe
- Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Créteil, France
- Institut National de la Santé et de la Recherche Médicale (INSERM), U955, Créteil, France
- Fondation FondaMental, Créteil, France
| | - Jean-Marc Baleyte
- Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Créteil, France
- Institut National de la Santé et de la Recherche Médicale (INSERM), U955, Créteil, France
- Fondation FondaMental, Créteil, France
- Université de Caen Normandie (UNICAEN), INSERM, U1077, Caen, France
| | - Luc Mallet
- Fondation FondaMental, Créteil, France
- Assistance Publique Hôspitaux de Paris (APHP), Hôpitaux Universitaires Henri Mondor Albert Chenevier, Université Paris Est Créteil, Créteil, France
- Department of Mental Health and Psychiatry, Geneva University Hospital, University of Geneva, Geneva, Switzerland
- Unité Mixte de Recherche (UMR) S1127, Centre National de la Recherche Scientifique (CNRS), UMR 7225, Institut du Cerveau et de la Moelle Epinière, Paris, France
| | - Antoine Pelissolo
- Institut National de la Santé et de la Recherche Médicale (INSERM), U955, Créteil, France
- Fondation FondaMental, Créteil, France
- Assistance Publique Hôspitaux de Paris (APHP), Hôpitaux Universitaires Henri Mondor Albert Chenevier, Université Paris Est Créteil, Créteil, France
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Neurological Soft Signs and Clinical Features of Tic-Related Obsessive-Compulsive Disorder Indicate a Unique Subtype. J Nerv Ment Dis 2020; 208:21-27. [PMID: 31688495 DOI: 10.1097/nmd.0000000000001098] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Tic-related obsessive-compulsive disorder (OCD) may be a unique OCD subtype. This study examined whether neurological soft signs (NSSs) of patients with tic-related and tic-free OCD enable discrimination of these subgroups. We used the Neurological Evaluation Scale to assess 32 patients with tic-related and 94 with tic-free OCD, as well as 84 controls. Most patients with tic-related OCD were male, with earlier illness onset and poorer insight scores than those of patients with tic-free OCD. Patients with tic-related OCD had poorer motor coordination, sensory integration, and motor sequencing than did tic-free patients. Logistic regression using NSS subscale scores predicted tic-related OCD. Patients with tic-related OCD displayed greater neurodevelopmental abnormalities than did tic-free patients. NSSs of the former group suggest the need to separate this subgroup. Our results also support the newly introduced tic-related specifier in the fifth edition of the Diagnostic and statistical manual of mental disorders.
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Briguglio M, Vitale JA, Galentino R, Banfi G, Zanaboni Dina C, Bona A, Panzica G, Porta M, Dell'Osso B, Glick ID. Healthy Eating, Physical Activity, and Sleep Hygiene (HEPAS) as the Winning Triad for Sustaining Physical and Mental Health in Patients at Risk for or with Neuropsychiatric Disorders: Considerations for Clinical Practice. Neuropsychiatr Dis Treat 2020; 16:55-70. [PMID: 32021199 PMCID: PMC6955623 DOI: 10.2147/ndt.s229206] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/17/2019] [Indexed: 12/17/2022] Open
Abstract
Neuropsychiatric disorders stem from gene-environment interaction and their development can be, at least in some cases, prevented by the adoption of healthy and protective lifestyles. Once full blown, neuropsychiatric disorders are prevalent conditions that patients live with a great burden of disability. Indeed, the determinants that increase the affliction of neuropsychiatric disorders are various, with unhealthy lifestyles providing a significant contribution in the interplay between genetic, epigenetic, and environmental factors that ultimately represent the pathophysiological basis of these impairing conditions. On one hand, the adoption of Healthy Eating education, Physical Activity programs, and Sleep hygiene promotion (HEPAS) has the potential to become one of the most suitable interventions to reduce the risk to develop neuropsychiatric disorders, while, on the other hand, its integration with pharmacological and psychological therapies seems to be essential in the overall management of neuropsychiatric disorders in order to reduce the disability and improve the quality of life of affected patients. We present an overview of the current evidence in relation to HEPAS components in the prevention and management of neuropsychiatric disorders and provide suggestions for clinical practice.
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Affiliation(s)
- Matteo Briguglio
- IRCCS Orthopedic Institute Galeazzi, Scientific Direction, Milan, Italy
| | | | - Roberta Galentino
- IRCCS Orthopedic Institute Galeazzi, Tourette's Syndrome and Movement Disorders Centre, Milan, Italy
| | - Giuseppe Banfi
- IRCCS Orthopedic Institute Galeazzi, Scientific Direction, Milan, Italy.,Department of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | | | - Alberto Bona
- Neurosurgery Department, ICCS Istituto Clinico Città Studi, Milan, Italy
| | - Giancarlo Panzica
- Department of Neuroscience, Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Mauro Porta
- IRCCS Orthopedic Institute Galeazzi, Tourette's Syndrome and Movement Disorders Centre, Milan, Italy
| | - Bernardo Dell'Osso
- University of Milan, Department of Clinical and Biomedical Sciences Luigi Sacco, ASST Fatebenefratelli-Sacco, Ospedale Sacco Polo Universitario, Milan, Italy.,"Aldo Ravelli" Center for Neurotechnology and Brain Therapeutic, University of Milan, Milan, Italy.,Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, USA
| | - Ira David Glick
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, USA
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Briguglio M, Dell’Osso B, Galentino R, Banfi G, Porta M. Higher adherence to the Mediterranean diet is associated with reduced tics and obsessive-compulsive symptoms: A series of nine boys with Obsessive-Compulsive Tic Disorder. NUTR CLIN METAB 2019. [DOI: 10.1016/j.nupar.2019.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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13
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Burchi E, Pallanti S. Diagnostic Issues in Early-Onset Obsessive-Compulsive Disorder and their Treatment Implications. Curr Neuropharmacol 2019; 17:672-680. [PMID: 29701156 PMCID: PMC7059152 DOI: 10.2174/1570159x16666180426151746] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 03/16/2018] [Accepted: 04/24/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The lifespan approach and recent shift in the conceptualization of Obsessive- Compulsive Disorder (OCD) promoted by the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM5) along with novel insights into the pathogenesis of this heterogeneous disorder are driving the development of new outcome measures and new treatments for a disease that, on the other hand, is characterized by high rates of refractoriness. OBJECTIVE AND METHODS The aim of this review is to provide a discussion of the translational evidence about Early Onset OCD (EO) in compliance with a neurodevelopmental and RdoC perspective. RESULTS AND CONCLUSION EO might be considered the neurodevelopmental subtype of OCD. Indeed there is evidence that different clusters of symptoms and dimensions at an early stage predict different trajectories in phenotype and that distinct neurocircuit pathways underpin the progression of the disorder. Despite the development of high refractoriness in the course of the disorder, evidence suggests that EO may be particularly treatment responsive in the early stages, thus showing the need for early recognition and additional recovery oriented studies in this subgroup. Consistent with the neurodevelopmental perspective, immunity and glutamate neurotransmission are emerging as novel pathways for parsing out the neurobiology of OCD, the EO form, in particular, supporting the implementation of new multisystemic models of the OCD phenotype. Brain connectivity patterns, immune and microbiome profiles are standing out as promising areas for biomarkers with the potential for targeted personalized therapies in EO.
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Affiliation(s)
- Elisabetta Burchi
- Address correspondence to this author at the Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine and Montefiore Medical Center 111 East 210th street, Bronx, NY, 10467, USA;, Tel: 929-308-6669; E mail:
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Servello D, Saleh C, Bona AR, Zekaj E, Porta M. After 19 years of deep brain stimulation in Tourette's syndrome: From multiple targets to one single target? Surg Neurol Int 2018; 9:219. [PMID: 30505621 PMCID: PMC6219290 DOI: 10.4103/sni.sni_271_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 09/25/2018] [Indexed: 11/18/2022] Open
Affiliation(s)
- Domenico Servello
- Departments of Neurosurgery and Neurology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Christian Saleh
- Departments of Neurosurgery and Neurology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Alberto R Bona
- Departments of Neurosurgery and Neurology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Edvin Zekaj
- Departments of Neurosurgery and Neurology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Mauro Porta
- Departments of Neurosurgery and Neurology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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15
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Porta M, Servello D, Dell'Osso B, Dina CZ, Bona A, Alleva GC. Critical aspects in the legal defence of patients with Tourette's Syndrome: An Italian case series. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2018; 61:1-5. [PMID: 30454556 DOI: 10.1016/j.ijlp.2018.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 07/16/2018] [Accepted: 08/14/2018] [Indexed: 06/09/2023]
Abstract
Tourette's syndrome (TS) is a developmental neurobehavioral disorder with childhood onset and relevant burden in terms of disability and reduced quality of life. In Italy the biological basis of this syndrome is still frequently ignored and TS is often recognised as a psychiatric manifestation, or even it is not recognised as pathology, which may result in inadequate treatment, social isolation and improper hospitalization. Indeed, the organic medical nature of TS needs to be taken into great consideration in evaluating causality of committing crimes in affected patients. In addition, delaying the diagnosis and consequently proper treatment has a devastating impact on social as well as legal aspects in patients with TS. The present report is aimed to present an Italian case series of 4 TS patients who faced legal problems related to their mental condition, in the intent to add further evidence, raise the level of awareness and encourage further investigation in the field, as in most of the cases, patients' illness was not taken into adequate account by the Justice. The relevant law is discussed in detail.
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Affiliation(s)
- Mauro Porta
- Department of Functional Neurosurgery and Tourette Syndrome Center, Galeazzi Clinical and Research Hospital, 4 R. Galeazzi Street, 20100 Milan, Italy
| | - Domenico Servello
- Department of Functional Neurosurgery and Tourette Syndrome Center, Galeazzi Clinical and Research Hospital, 4 R. Galeazzi Street, 20100 Milan, Italy
| | - Bernardo Dell'Osso
- Department of Psychiatry, Ca Granda Clinical and Research Foundation, Maggiore Policlinico Hospital, University of Milan, 8 S. Barnaba Street, 20100 Milan, Italy; Department of Psychiatry and Behavioral Sciences, Stanford University, 450 Serra Mall, Stanford, CA 94305, USA.
| | - Carlotta Zanaboni Dina
- Department of Functional Neurosurgery and Tourette Syndrome Center, Galeazzi Clinical and Research Hospital, 4 R. Galeazzi Street, 20100 Milan, Italy.
| | - Alberto Bona
- Department of Functional Neurosurgery and Tourette Syndrome Center, Galeazzi Clinical and Research Hospital, 4 R. Galeazzi Street, 20100 Milan, Italy
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16
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Efron D, Dale RC. Tics and Tourette syndrome. J Paediatr Child Health 2018; 54:1148-1153. [PMID: 30294996 DOI: 10.1111/jpc.14165] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 07/04/2018] [Indexed: 12/31/2022]
Abstract
Tourette syndrome is a heterogeneous disorder. The genetic basis is complex, and both in utero and ex utero environmental factors may modify the phenotypic expression of the disorder. Inflammation related to aberrations in immune activation appears to play a pathogenic role in some cases. Multiple neurochemical pathways are involved. Rather than being a pure movement problem, tics are now understood to also have a sensory component. This has resulted in new psychological therapeutic strategies and other potential treatments. Furthermore, comorbidities are common, particularly attention-deficit hyperactivity disorder, anxiety and obsessive-compulsive disorder, and often cause more difficulties than the tics. The approach to treatment is dependent on the degree and types of impairment. For many patients, education, acceptance and understanding are all that is needed. In more severe cases, psychological and/or pharmacological interventions may be indicated. In this article, the clinical features and pathophysiology of Tourette syndrome are reviewed, and a pragmatic management approach is discussed.
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Affiliation(s)
- Daryl Efron
- Health Services, Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, University of Melbourne, Melbourne, Victoria, Australia.,Department of General Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Russell C Dale
- Department of Paediatric Neurology, University of Sydney, Sydney, New South Wales, Australia.,Department of Neurology, Children's Hospital at Westmead, Sydney, New South Wales, Australia
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17
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Kloft L, Steinel T, Kathmann N. Systematic review of co-occurring OCD and TD: Evidence for a tic-related OCD subtype? Neurosci Biobehav Rev 2018; 95:280-314. [PMID: 30278193 DOI: 10.1016/j.neubiorev.2018.09.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVE The aim of this review is to summarize the current knowledge of associated features of co-occurring obsessive-compulsive disorder (OCD) and tic disorders (TD) and to critically evaluate hypotheses regarding the nature of their comorbidity. METHOD We conducted a systematic review following PRISMA guidelines. To this aim, the PubMed, PsychInfo and ISI Web of Knowledge databases were searched up to August 30, 2018. For gender and age-of-onset we additionally conducted meta-analyses. RESULTS One hundred eighty-nine studies met inclusion criteria. We substantiate some acknowledged features and report evidence for differential biological mechanisms and treatment response. In general, studies were of limited methodological quality. CONCLUSIONS Several specific features are reliable associated with co-occurring OCD + TD. The field lacks methodological sound studies. The review found evidence against and in favor for different hypotheses regarding the nature of comorbidity of OCD and TD. This could indicate the existence of a stepwise model of co-morbidity, or could be an artefact of the low methodological quality of studies.
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Affiliation(s)
- Lisa Kloft
- Humboldt-Universität zu Berlin, Berlin, Germany.
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18
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Marceglia S, Rosa M, Servello D, Porta M, Barbieri S, Moro E, Priori A. Adaptive Deep Brain Stimulation (aDBS) for Tourette Syndrome. Brain Sci 2017; 8:E4. [PMID: 29295486 PMCID: PMC5789335 DOI: 10.3390/brainsci8010004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 12/16/2022] Open
Abstract
Deep brain stimulation (DBS) has emerged as a novel therapy for the treatment of several movement and neuropsychiatric disorders, and may also be suitable for the treatment of Tourette syndrome (TS). The main DBS targets used to date in patients with TS are located within the basal ganglia-thalamo-cortical circuit involved in the pathophysiology of this syndrome. They include the ventralis oralis/centromedian-parafascicular (Vo/CM-Pf) nucleus of the thalamus and the nucleus accumbens. Current DBS treatments deliver continuous electrical stimulation and are not designed to adapt to the patient's symptoms, thereby contributing to unwanted side effects. Moreover, continuous DBS can lead to rapid battery depletion, which necessitates frequent battery replacement surgeries. Adaptive deep brain stimulation (aDBS), which is controlled based on neurophysiological biomarkers, is considered one of the most promising approaches to optimize clinical benefits and to limit the side effects of DBS. aDBS consists of a closed-loop system designed to measure and analyse a control variable reflecting the patient's clinical condition and to modify on-line stimulation settings to improve treatment efficacy. Local field potentials (LFPs), which are sums of pre- and post-synaptic activity arising from large neuronal populations, directly recorded from electrodes implanted for DBS can theoretically represent a reliable correlate of clinical status in patients with TS. The well-established LFP-clinical correlations in patients with Parkinson's disease reported in the last few years provide the rationale for developing and implementing new aDBS devices whose efficacies are under evaluation in humans. Only a few studies have investigated LFP activity recorded from DBS target structures and the relationship of this activity to clinical symptoms in TS. Here, we review the available literature supporting the feasibility of an LFP-based aDBS approach in patients with TS. In addition, to increase such knowledge, we report explorative findings regarding LFP data recently acquired and analysed in patients with TS after DBS electrode implantation at rest, during voluntary and involuntary movements (tics), and during ongoing DBS. Data available up to now suggest that patients with TS have oscillatory patterns specifically associated with the part of the brain they are recorded from, and thereby with clinical manifestations. The Vo/CM-Pf nucleus of the thalamus is involved in movement execution and the pathophysiology of TS. Moreover, the oscillatory patterns in TS are specifically modulated by DBS treatment, as reflected by improvements in TS symptoms. These findings suggest that LFPs recorded from DBS targets may be used to control new aDBS devices capable of adaptive stimulation responsive to the symptoms of TS.
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Affiliation(s)
- Sara Marceglia
- Clinical Center for Neurostimulation, Neurotechnology and Movement Disorders, Fondazione Istituto Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda, Ospedale Maggiore Policlinico, Milan 20122, Italy.
- Dipartimento di Ingegneria e Architettura, Università degli Studi di Trieste, Trieste 34127, Italy.
| | - Manuela Rosa
- Clinical Center for Neurostimulation, Neurotechnology and Movement Disorders, Fondazione Istituto Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda, Ospedale Maggiore Policlinico, Milan 20122, Italy.
| | - Domenico Servello
- Functional Neurosurgery Unit, Galeazzi Hospital and Tourette Center, Milan 20161, Italy.
| | - Mauro Porta
- Functional Neurosurgery Unit, Galeazzi Hospital and Tourette Center, Milan 20161, Italy.
| | - Sergio Barbieri
- Clinical Center for Neurostimulation, Neurotechnology and Movement Disorders, Fondazione Istituto Ricovero e Cura a Carattere Scientifico (IRCCS) Ca' Granda, Ospedale Maggiore Policlinico, Milan 20122, Italy.
| | - Elena Moro
- Division of Neurology, Centre Hospitalier Universitaire de Grenoble, CS 10217, 38043 Grenoble, France.
| | - Alberto Priori
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, University of Milan, Milan 20142 , Italy.
- Department of Health Sciences, University of Milan & ASST Santi Paolo e Carlo, Milan 20142, Italy.
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19
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Abstract
PURPOSE OF REVIEW Describe developments in the etiological understanding of Tourette syndrome. RECENT FINDINGS Tourette syndrome is a complex heterogenous clinical syndrome, which is not a unitary entity. Pathophysiological models describe gamma-aminobutyric acid-ergic-associated disinhibition of cortico-basal ganglia motor, sensory and limbic loops. MRI studies support basal ganglia volume loss, with additional white matter and cerebellar changes. Tourette syndrome cause likely involves multiple vulnerability genes and environmental factors. Only recently have some vulnerability gene findings been replicated, including histidine decarboxylase and neurexin 1, yet these rare variants only explain a small proportion of patients. Planned large genetic studies will improve genetic understanding. The role of inflammation as a contributor to disease expression is now supported by large epidemiological studies showing an association with maternal autoimmunity and childhood infection. Investigation of blood cytokines, blood mRNA and brain mRNA expression support the role of a persistent immune activation, and there are similarities with the immune literature of autistic spectrum disorder. Current treatment is symptomatic, although there is a better appreciation of factors that influence treatment response. SUMMARY At present, therapeutics is focused on symptom-based treatments, yet with improved etiological understanding, we will move toward disease-modifying therapies in the future.
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Briguglio M, Dell'Osso B, Galentino R, Zanaboni Dina C, Banfi G, Porta M. Tics and obsessive-compulsive disorder in relation to diet: Two case reports. Encephale 2017; 44:479-481. [PMID: 28870689 DOI: 10.1016/j.encep.2017.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 06/15/2017] [Accepted: 06/20/2017] [Indexed: 11/26/2022]
Affiliation(s)
- M Briguglio
- Tourette's Syndrome and Movement Disorders Centre, I.R.C.C.S. Galeazzi Hospital, Via Riccardo Galeazzi, 4, 20161 Milan, MI, Italy.
| | - B Dell'Osso
- University of Milan, Department of Pathophysiology and Transplantation, I.R.C.C.S. Ca' Granda Foundation, Ospedale Maggiore Policlinico, Milan, Italy; Department of Psychiatry and Behavioral Sciences, Stanford University, 291 campus drive, 94305 Stanford, CA, USA.
| | - R Galentino
- Tourette's Syndrome and Movement Disorders Centre, I.R.C.C.S. Galeazzi Hospital, Via Riccardo Galeazzi, 4, 20161 Milan, MI, Italy.
| | - C Zanaboni Dina
- Tourette's Syndrome and Movement Disorders Centre, I.R.C.C.S. Galeazzi Hospital, Via Riccardo Galeazzi, 4, 20161 Milan, MI, Italy.
| | - G Banfi
- Scientific Direction, I.R.C.C.S. Galeazzi Hospital, Milan, Italy.
| | - M Porta
- Tourette's Syndrome and Movement Disorders Centre, I.R.C.C.S. Galeazzi Hospital, Via Riccardo Galeazzi, 4, 20161 Milan, MI, Italy.
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Morand-Beaulieu S, Leclerc JB, Valois P, Lavoie ME, O'Connor KP, Gauthier B. A Review of the Neuropsychological Dimensions of Tourette Syndrome. Brain Sci 2017; 7:E106. [PMID: 28820427 PMCID: PMC5575626 DOI: 10.3390/brainsci7080106] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 08/10/2017] [Accepted: 08/15/2017] [Indexed: 11/29/2022] Open
Abstract
Neurocognitive functioning in Tourette syndrome (TS) has been the subject of intensive research in the past 30 years. A variety of impairments, presumably related to frontal and frontostriatal dysfunctions, have been observed. These impairments were found in various domains, such as attention, memory, executive functions, language, motor and visuomotor functions, among others. In line with contemporary research, other neurocognitive domains have recently been explored in TS, bringing evidence of altered social reasoning, for instance. Therefore, the aims of this review are to give an overview of the neuropsychological dimensions of TS, to report how neuropsychological functions evolve from childhood to adulthood, and to explain how various confounding factors can affect TS patients' performance in neuropsychological tasks. Finally, an important contribution of this review is to show how recent research has confirmed or changed our beliefs about neuropsychological functioning in TS.
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Affiliation(s)
- Simon Morand-Beaulieu
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de neurosciences, Université de Montréal, 2960 Chemin de la Tour, Montréal, QC H3T 1J4, Canada.
| | - Julie B Leclerc
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de psychologie, Université du Québec à Montréal, 100, rue Sherbrooke Ouest, Montréal, QC H2X 3P2, Canada.
| | - Philippe Valois
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de psychologie, Université du Québec à Montréal, 100, rue Sherbrooke Ouest, Montréal, QC H2X 3P2, Canada.
| | - Marc E Lavoie
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de neurosciences, Université de Montréal, 2960 Chemin de la Tour, Montréal, QC H3T 1J4, Canada.
- Département de psychiatrie, Université de Montréal, 2900, boulevard Édouard-Montpetit, Montréal, QC H3T 1J4, Canada.
| | - Kieron P O'Connor
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de psychologie, Université du Québec à Montréal, 100, rue Sherbrooke Ouest, Montréal, QC H2X 3P2, Canada.
- Département de psychiatrie, Université de Montréal, 2900, boulevard Édouard-Montpetit, Montréal, QC H3T 1J4, Canada.
| | - Bruno Gauthier
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, 7331 rue Hochelaga, Montréal, QC H1N 3V2, Canada.
- Département de psychologie, Université de Montréal, Campus Laval, 1700 rue Jacques-Tétreault, Laval, QC H7N 0B6, Canada.
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Zapparoli L, Seghezzi S, Paulesu E. The What, the When, and the Whether of Intentional Action in the Brain: A Meta-Analytical Review. Front Hum Neurosci 2017; 11:238. [PMID: 28567010 PMCID: PMC5434171 DOI: 10.3389/fnhum.2017.00238] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 04/25/2017] [Indexed: 02/06/2023] Open
Abstract
In their attempt to define discrete subcomponents of intentionality, Brass and Haggard (2008) proposed their What, When, and Whether model (www-model) which postulates that the content, the timing and the possibility of generating an action can be partially independent both at the cognitive level and at the level of their neural implementation. The original proposal was based on a limited number of studies, which were reviewed with a discursive approach. To assess whether the model stands in front of the more recently published data, we performed a systematic review of the literature with a meta-analytic method based on a hierarchical clustering (HC) algorithm. We identified 15 PET/fMRI studies well-suited for this quest. HC revealed the existence of a rostro-caudal gradient within the medial prefrontal cortex, with the more anterior regions (the anterior cingulum) involved in more abstract decisions of whether to execute an action and the more posterior ones (the middle cingulum or the SMA) recruited in specifying the content and the timing components of actions. However, in contrast with the original www-model, this dissociation involves also brain regions well outside the median wall of the frontal lobe, in a component specific manner: the supramarginal gyrus for the what component, the pallidum and the thalamus for the when component, the putamen and the insula for the whether component. We then calculated co-activation maps on the three component-specific www clusters of the medial wall of the frontal/limbic lobe: to this end, we used the activation likelihood approach that we applied on the imaging studies on action contained in the BrainMap.org database. This analysis confirmed the main findings of the HC analyses. However, the BrainMap.org data analyses also showed that the aforementioned segregations are generated by paradigms in which subjects act in response to conditional stimuli rather than while driven by their own intentions. We conclude that the available data confirm that the neural underpinnings of intentionality can be fractionated in discrete components that are partially independent. We also suggest that intentionality manifests itself in discrete components through the boosting of general purpose action-related regions specialized for different aspects of action selection and inhibition.
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Affiliation(s)
| | | | - Eraldo Paulesu
- fMRI Unit, IRCCS Istituto Ortopedico GaleazziMilan, Italy.,Psychology Department and NeuroMI-Milan Centre for Neuroscience, University of Milano-BicoccaMilan, Italy
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