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Basu S, Phogat R, Jartarkar M, Banerjee B, Parmananda P. Role of visual brainwave entrainment on the resting state brainwaves of children with and without attention-deficit/hyperactivity disorder. APPLIED NEUROPSYCHOLOGY. CHILD 2024:1-19. [PMID: 38996080 DOI: 10.1080/21622965.2024.2377656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2024]
Abstract
The relationship between brainwave oscillations and Attention-Deficit/Hyperactivity Disorder (ADHD)-related cognitive challenges is a trending proposition in the field of Cognitive Neuroscience. Studies suggest the role of brainwave oscillations in the symptom expressions of ADHD-diagnosed children. Intervention studies have further suggested the scope of brain stimulation techniques in improving cognition. The current manuscript explored the effect of changes in the brainwaves post-sensory entrainment on cognitive performance of children. We calculated each participant's brainwave difference and ratios of theta, alpha, and beta power after the entrainment sessions. Further, we explored possible correlations between these values and the psychometric scores. The beta resting state showed the strongest association with selective attention performance of all participants. Theta-beta ratio (TBR) showed an inverse correlation with selective attention and working memory performances. The theta frequency was associated with decreased working performance in children without ADHD. Our findings also suggest a predominant role of TBR than the theta-alpha ratio in determining the cognitive performance of children with ADHD. The individual differences in the entrainment reception were attributed to the participant's age, IQ, and their innate baseline frequencies. The implications of our findings can initiate substantiating brainwave-based entrainment sessions as a therapeutic modality to improve cognition among children.
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Affiliation(s)
- Sandhya Basu
- Department of Humanities and Social Sciences, BITS Pilani, Zuarinagar, Goa, India
- School of Arts and Sciences, Azim Premji University, Bengaluru, Karnataka; India
| | - Richa Phogat
- Department of Physics, Indian Institute of Technology - Bombay, Mumbai, Maharashtra, India
| | - Mayur Jartarkar
- Centre for Behavioral Science in Finance, Economics, and Marketing, Indian Institute of Management, Ahmedabad, India
| | - Bidisha Banerjee
- Department of Humanities and Social Sciences, BITS Pilani, Zuarinagar, Goa, India
| | - Punit Parmananda
- Department of Physics, Indian Institute of Technology - Bombay, Mumbai, Maharashtra, India
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Mazur-Lainé E, Soubata H, Leclerc JB, Blanchet PJ, O’Connor KP, Lavoie ME. Impacts of ADHD Symptomatology on the Response to Cognitive-Behavioural Therapy with Gilles de la Tourette Syndrome Patients. J Clin Med 2024; 13:2975. [PMID: 38792517 PMCID: PMC11122476 DOI: 10.3390/jcm13102975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/10/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
(1) Background: Gilles de la Tourette Syndrome (TS) is a neurodevelopmental disorder characterized by motor and vocal tics. Attention deficit and hyperactivity disorder (ADHD) is a common comorbidity of TS that adds further impairment. Cognitive-behavioural therapy (CBT) has shown efficacy in treating tics, yet its effectiveness in individuals with TS and comorbid ADHD remains unclear. Also, it is suggested that ADHD characteristics like executive dysfunction and inattention could hinder the response to CBT. This study aims to compare the response to CBT for tics and its maintenance six months post-therapy among TS individuals with and without ADHD symptoms. (2) Methods: In this study, 55 TS participants who completed 14-week CBT for tics were split into high (TS+) or low (TS-) ADHD symptomatology groups. Outcomes were evaluated using the Yale Global Tic Severity Scale (YGTSS) regarding global tic severity and motor and vocal tic frequency post-CBT and at a 6-month follow-up. (3) Results: No significant group difference was found regarding improvements post-CBT (n = 55), nor the maintenance six months later (n = 45). (4) Conclusions: ADHD symptoms may not hinder the response to CBT or its maintenance, suggesting that TS individuals with ADHD symptoms may not require specialized CBT interventions.
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Affiliation(s)
- Emmanuelle Mazur-Lainé
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Département de Psychologie, Université de Montréal, Montréal, QC H2V 2S9, Canada
| | - Houda Soubata
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Département de Psychologie, Université de Montréal, Montréal, QC H2V 2S9, Canada
| | - Julie B. Leclerc
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Département de Psychologie, Université du Québec à Montréal, Montréal, QC H2X 3P2, Canada
- Groupe d’étude sur les Troubles Tic, d’Accumulation Compulsive et Obsessionnel-Compulsif (GE-tic-tac-toc), Montréal, QC H1N 3V2, Canada
- Centre de Recherche du CIUSSS du Nord-de-l’Île-de-Montréal, Montréal, QC H4J 1C5, Canada
| | - Pierre J. Blanchet
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Faculté de Médecine Dentaire, Département de Stomatologie, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Kieron P. O’Connor
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Groupe d’étude sur les Troubles Tic, d’Accumulation Compulsive et Obsessionnel-Compulsif (GE-tic-tac-toc), Montréal, QC H1N 3V2, Canada
- Département de Psychiatrie et Addictologie, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Marc E. Lavoie
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3V2, Canada; (E.M.-L.); (H.S.); (J.B.L.); (P.J.B.); (K.P.O.)
- Groupe d’étude sur les Troubles Tic, d’Accumulation Compulsive et Obsessionnel-Compulsif (GE-tic-tac-toc), Montréal, QC H1N 3V2, Canada
- Département de Psychiatrie et Addictologie, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Département de Sciences Humaines, Lettres et Communication, Université TÉLUQ, Quebec, QC G1K 9H6, Canada
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Jurgiel J, Miyakoshi M, Dillon A, Piacentini J, Loo SK. Additive and Interactive Effects of Attention-Deficit/Hyperactivity Disorder and Tic Disorder on Brain Connectivity. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2023; 8:1094-1102. [PMID: 36842882 DOI: 10.1016/j.bpsc.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/28/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022]
Abstract
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) and persistent tic disorder (PTD) are two neurodevelopmental disorders that frequently co-occur. Contributions of each disorder to cognitive and behavioral deficits have been reported. In this paper, we tested 3 models of pathophysiology for the two disorders (additive, interactive, and phenotypic) using resting-state connectivity associated with each disorder separately and together. METHODS Participants were 148 children (55 with ADHD only, 33 with ADHD and PTD, 27 with PTD only, and 33 healthy control subjects) at ages 8 to 12 years. Following diagnostic interviews and behavioral assessment, participants underwent a 128-channel electroencephalography recording. Resting-state, cortical source-level effective connectivity was analyzed across the 4 groups using a 2 × 2 factorial design with factors of ADHD (with/without) and PTD (with/without). RESULTS ADHD diagnosis was the primary driver of cognitive and behavioral deficits, while deficits associated with PTD were primarily with thought problems and internalizing problems when compared with controls. Subadditive effects were observed in co-occurring ADHD+PTD for parent-rated behavioral problems and cognitive functions. Aberrant effective connectivity was primarily associated with ADHD, more specifically with lower posterior and occipital-frontal connectivity, while children with PTD exhibited greater left postcentral to precuneus connectivity. Weaker ADHD-related connectivity was associated with more severe behavioral problems, including internalizing behaviors, thought problems, and working memory deficits. CONCLUSIONS Similar to general behavioral deficits, aberrant resting-state neural connectivity in pediatric ADHD and PTD combines additively in co-occurring cases. The findings of this study support ADHD as a focus of treatment in comorbid cases, given the driving role of ADHD in both behavioral and neurophysiological deficits.
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Affiliation(s)
- Joseph Jurgiel
- Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California
| | - Makoto Miyakoshi
- Swartz Center for Computational Neuroscience, Institute for Neural Computation, University of California San Diego, La Jolla, California
| | - Andrea Dillon
- Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California
| | - John Piacentini
- Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California
| | - Sandra K Loo
- Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California.
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P3b Amplitude and Latency in Tic Disorders: A Meta-Analysis. Brain Sci 2022; 12:brainsci12121712. [PMID: 36552171 PMCID: PMC9775302 DOI: 10.3390/brainsci12121712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/14/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
P3b is an event-related potential (ERP) that may be abnormal in patients with tic disorders (TD), but evidence has been inconsistent. Given the possible association between P3b and TD and the need for biomarkers for TD, the primary objective of this meta-analysis was to characterize P3b in patients with TD in comparison to healthy controls (HCs). METHODS By searching PubMed, Embase, Web of Science, SCOPUS, Medline, and Google Scholar, we identified studies that compared P3b between TD patients and HCs. The amplitude and latency of P3b were then analyzed. Subgroup analyses were conducted to investigate the influence of different experimental factors on P3b indices. RESULT Overall, 19 articles involving 388 cases and 414 controls were evaluated. There were no significant abnormalities in P3b amplitude and latency in TD patients. The P3b amplitude of the TD patients was significantly decreased during the oddball task, and the P3b amplitude of the adult TD patients was also significantly decreased. CONCLUSION TD patients may have an abnormal P3b compared to HCs under specified conditions.
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Rothenberger A, Heinrich H. Co-Occurrence of Tic Disorders and Attention-Deficit/Hyperactivity Disorder-Does It Reflect a Common Neurobiological Background? Biomedicines 2022; 10:biomedicines10112950. [PMID: 36428518 PMCID: PMC9687745 DOI: 10.3390/biomedicines10112950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/06/2022] [Accepted: 11/09/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The co-existence of tic disorders and attention-deficit/hyperactivity disorder (TD + ADHD) has proven to be highly important in daily clinical practice. The factor ADHD is not only associated with further comorbidities, but also has a long-term negative psychosocial effect, while the factor TD is usually less disturbing for the major part of the patients. It remains unclear how far this is related to a different neurobiological background of the associated disorders or whether TD + ADHD reflects a common one. OBJECTIVE This review provides an update on the neurobiological background of TD + ADHD in order to better understand and treat this clinical problem, while clarifying whether an additive model of TD + ADHD holds true and should be used as a basis for further clinical recommendations. METHOD A comprehensive research of the literature was conducted and analyzed, including existing clinical guidelines for both TD and ADHD. Besides genetical and environmental risk factors, brain structure and functions, neurophysiological processes and neurotransmitter systems were reviewed. RESULTS Only a limited number of empirical studies on the neurobiological background of TD and ADHD have taken the peculiarity of co-existing TD + ADHD into consideration, and even less studies have used a 2 × 2 factorial design in order to disentangle the impact/effects of the factors of TD versus those of ADHD. Nevertheless, the assumption that TD + ADHD can best be seen as an additive model at all levels of investigation was strengthened, although some overlap of more general, disorder non-specific aspects seem to exist. CONCLUSION Beyond stress-related transdiagnostic aspects, separate specific disturbances in certain neuronal circuits may lead to disorder-related symptoms inducing TD + ADHD in an additive way. Hence, within a classificatory categorical framework, the dimensional aspects of multilevel diagnostic-profiling seem to be a helpful precondition for personalized decisions on counselling and disorder-specific treatment in TD + ADHD.
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Affiliation(s)
- Aribert Rothenberger
- Clinic for Child and Adolescent Psychiatry and Psychotherapy, University Medical Center Göttingen, 37075 Göttingen, Germany
- Correspondence:
| | - Hartmut Heinrich
- Neurocare Group, 80331 Munich, Germany
- Kbo-Heckscher-Klinikum, 81539 Munich, Germany
- Research Institute Brainclinics, Brainclinics Foundation, 6524 AD Nijmegen, The Netherlands
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6
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Indrajeet I, Atkinson-Clement C, Worbe Y, Pouget P, Ray S. Compromised reactive but intact proactive inhibitory motor control in Tourette disorder. Sci Rep 2022; 12:2193. [PMID: 35140247 PMCID: PMC8828748 DOI: 10.1038/s41598-022-05692-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 12/17/2021] [Indexed: 11/18/2022] Open
Abstract
Tourette disorder (TD) is characterized by tics, which are sudden repetitive involuntary movements or vocalizations. Deficits in inhibitory control in TD patients remain inconclusive from the traditional method of estimating the ability to stop an impending action, which requires careful interpretation of a metric derived from race model. One possible explanation for these inconsistencies is that race model's assumptions of independent and stochastic rise of GO and STOP process to a fixed threshold are often violated, making the classical metric to assess inhibitory control less robust. Here, we used a pair of metrics derived from a recent alternative model to address why stopping performance in TD is unaffected despite atypical neural circuitry. These new metrics distinguish between proactive and reactive inhibitory control and estimate them separately. When these metrics in adult TD group were contrasted with healthy controls (HC), we identified robust deficits in reactive control, but not in proactive control in TD. The TD group exhibited difficulty in slowing down the speed of movement preparation, which they rectified by their intact ability to postpone the movement.
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Affiliation(s)
- Indrajeet Indrajeet
- Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
- Centre of Behavioural and Cognitive Science, University of Allahabad, Prayagraj, India
| | - Cyril Atkinson-Clement
- Sorbonne University, INSERM U1127, CNRS UMR7225, UM75, ICM, Movement Investigation and Therapeutics Team, Paris, France
| | - Yulia Worbe
- Sorbonne University, INSERM U1127, CNRS UMR7225, UM75, ICM, Movement Investigation and Therapeutics Team, Paris, France
- Department of Neurophysiology, Saint Antoine Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Pierre Pouget
- Sorbonne University, INSERM U1127, CNRS UMR7225, UM75, ICM, Movement Investigation and Therapeutics Team, Paris, France.
- Department of Neurophysiology, Saint Antoine Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Supriya Ray
- Centre of Behavioural and Cognitive Science, University of Allahabad, Prayagraj, India.
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Morand-Beaulieu S, Smith SD, Ibrahim K, Wu J, Leckman JF, Crowley MJ, Sukhodolsky DG. Electrophysiological signatures of inhibitory control in children with Tourette syndrome and attention-deficit/hyperactivity disorder. Cortex 2022; 147:157-168. [PMID: 35042055 PMCID: PMC8816877 DOI: 10.1016/j.cortex.2021.12.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/29/2021] [Accepted: 12/01/2021] [Indexed: 02/03/2023]
Abstract
Tourette syndrome (TS) and attention-deficit/hyperactivity disorder (ADHD) frequently co-occur, especially in children. Reduced inhibitory control abilities have been suggested as a shared phenotype across both conditions but its neural underpinnings remain unclear. Here, we tested the behavioral and electrophysiological correlates of inhibitory control in children with TS, ADHD, TS+ADHD, and typically developing controls (TDC). One hundred and thirty-eight children, aged 7-14 years, performed a Go/NoGo task during dense-array EEG recording. The sample included four groups: children with TS only (n = 47), TS+ADHD (n = 32), ADHD only (n = 22), and matched TDC (n = 35). Brain activity was assessed with the means of frontal midline theta oscillations, as well as the N200 and P300 components of the event-related potentials. Our analyses revealed that both groups with TS did not differ from other groups in terms of behavioral performance, frontal midline theta oscillations, and event-related potentials. Children with ADHD-only had worse Go/NoGo task performance, decreased NoGo frontal midline theta power, and delayed N200 and P300 latencies, compared to typically developing controls. In the current study, we found that children with TS or TS+ADHD do not show differences in EEG during a Go/NoGo task compared to typically developing children. Our findings however suggest that children with ADHD-only have a distinct electrophysiological profile during the Go/NoGo task as indexed by reduced frontal midline theta power and delayed N200 and P300 latencies.
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Affiliation(s)
| | - Stephanie D. Smith
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA,School of Psychology, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Karim Ibrahim
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA
| | - Jia Wu
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA
| | - James F. Leckman
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA
| | - Michael J. Crowley
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA
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Rachamim L, Mualem-Taylor H, Rachamim O, Rotstein M, Zimmerman-Brenner S. Acute and Long-Term Effects of an Internet-Based, Self-Help Comprehensive Behavioral Intervention for Children and Teens with Tic Disorders with Comorbid Attention Deficit Hyperactivity Disorder, or Obsessive Compulsive Disorder: A Reanalysis of Data from a Randomized Controlled Trial. J Clin Med 2021; 11:jcm11010045. [PMID: 35011787 PMCID: PMC8745193 DOI: 10.3390/jcm11010045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/06/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022] Open
Abstract
Attention deficit hyperactivity disorder (ADHD), obsessive compulsive disorder (OCD) and tic disorders (TD) commonly co-occur. In addition, specific inattention difficulties and poor impulse control are related to TD in the absence of comorbid ADHD. In this study we reanalyzed data from a recently completed study comparing internet-delivered, self-help comprehensive behavioral intervention for tics (ICBIT) with a waiting-list control group. The current study describes the effects of an (ICBIT) in children and adolescents with TD with and without comorbid diagnoses of ADHD or OCD at post intervention and over three- and six-month follow-up periods. Thirty-eight 7 to 18-year-olds completed the ICBIT. Of these, 16 were diagnosed with comorbid ADHD and 11 were diagnosed with OCD. A significant improvement in tic measures was found in all groups. Both the TD + ADHD and the TD − ADHD groups were similar in the magnitude of tic reduction from baseline to post-treatment, and at the three and six-month follow-up assessments. However, the TD + OCD group benefitted less from intervention than the TD—OCD group. There were meaningful reductions in parental reports of inattention, as well as hyperactive and impulsive symptoms at post intervention and over the 6-month follow-up period. Thus, ICBIT can be effectively delivered in the presence of comorbid ADHD or OCD symptomatology and may reduce symptoms of inattention and impulsivity. Larger studies of ICBIT in children and teens with TD and comorbid ADHD and OCD are needed to optimize responses to ICBIT.
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Affiliation(s)
- Lilach Rachamim
- School of Psychology, Reichman University IDC Herzliya, Herzliya 4610101, Israel; (H.M.-T.); (S.Z.-B.)
- Donald J. Cohen & Irving B. Harris Resilience Center, Association for Children at Risk, Tel Aviv 6719958, Israel
- Correspondence: ; Tel.: +972-528374405
| | - Hila Mualem-Taylor
- School of Psychology, Reichman University IDC Herzliya, Herzliya 4610101, Israel; (H.M.-T.); (S.Z.-B.)
| | - Osnat Rachamim
- Pediatric Movement Disorders Clinic, Pediatric Neurology Unit, Dana-Dwek Children’s Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel; (O.R.); (M.R.)
| | - Michael Rotstein
- Pediatric Movement Disorders Clinic, Pediatric Neurology Unit, Dana-Dwek Children’s Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel; (O.R.); (M.R.)
| | - Sharon Zimmerman-Brenner
- School of Psychology, Reichman University IDC Herzliya, Herzliya 4610101, Israel; (H.M.-T.); (S.Z.-B.)
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Bellato A, Norman L, Idrees I, Ogawa CY, Waitt A, Zuccolo PF, Tye C, Radua J, Groom MJ, Shephard E. A systematic review and meta-analysis of altered electrophysiological markers of performance monitoring in Obsessive-Compulsive Disorder (OCD), Gilles de la Tourette Syndrome (GTS), Attention-Deficit/Hyperactivity disorder (ADHD) and Autism. Neurosci Biobehav Rev 2021; 131:964-987. [PMID: 34687698 DOI: 10.1016/j.neubiorev.2021.10.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 12/15/2022]
Abstract
Altered performance monitoring is implicated in obsessive-compulsive disorder (OCD), Gilles de la Tourette syndrome (GTS), attention-deficit/hyperactivity disorder (ADHD) and autism. We conducted a systematic review and meta-analysis of electrophysiological correlates of performance monitoring (error-related negativity, ERN; error positivity, Pe; feedback-related negativity, FRN; feedback-P3) in individuals with OCD, GTS, ADHD or autism compared to control participants, or associations between correlates and symptoms/traits of these conditions. Meta-analyses on 97 studies (5890 participants) showed increased ERN in OCD (Hedge's g = 0.54[CIs:0.44,0.65]) and GTS (g = 0.99[CIs:0.05,1.93]). OCD also showed increased Pe (g = 0.51[CIs:0.21,0.81]) and FRN (g = 0.50[CIs:0.26,0.73]). ADHD and autism showed reduced ERN (ADHD: g=-0.47[CIs:-0.67,-0.26]; autism: g=-0.61[CIs:-1.10,-0.13]). ADHD also showed reduced Pe (g=-0.50[CIs:-0.69,-0.32]). These findings suggest overlap in electrophysiological markers of performance monitoring alterations in four common neurodevelopmental conditions, with increased amplitudes of the markers in OCD and GTS and decreased amplitudes in ADHD and autism. Implications of these findings in terms of shared and distinct performance monitoring alterations across these neurodevelopmental conditions are discussed. PROSPERO pre-registration code: CRD42019134612.
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Affiliation(s)
- Alessio Bellato
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Luke Norman
- Section on Neurobehavioral and Clinical Research, Social and Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Iman Idrees
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Carolina Y Ogawa
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Alice Waitt
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Pedro F Zuccolo
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Charlotte Tye
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK
| | - Joaquim Radua
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Imaging of Mood- and Anxiety-Related Disorders (IMARD) Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), CIBERSAM, Barcelona, Spain; Department of Clinical Neuroscience, Centre for Psychiatric Research and Education, Karolinska Institutet, Stockholm, Sweden
| | - Madeleine J Groom
- Academic Unit of Mental Health & Clinical Neurosciences, School of Medicine, Institute of Mental Health, University of Nottingham, Nottingham, UK
| | - Elizabeth Shephard
- Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King's College London, London, UK; Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.
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Rothenberger A, Heinrich H. Electrophysiology Echoes Brain Dynamics in Children and Adolescents With Tourette Syndrome-A Developmental Perspective. Front Neurol 2021; 12:587097. [PMID: 33658971 PMCID: PMC7917116 DOI: 10.3389/fneur.2021.587097] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 01/19/2021] [Indexed: 11/28/2022] Open
Abstract
The development of the complex clinical picture of motor and vocal tics in children and adolescents with Tourette syndrome (TS) must be paralleled by changes in the underlying pathophysiology. Electrophysiological methods such as EEG and event-related potentials (ERPs) are non-invasive, safe and easy to apply and thus seem to provide an adequate means to investigate brain dynamics during this brain maturational period. Also, electrophysiology is characterized by a high time resolution and can reflect motor, sensory and cognitive aspects as well as sleep behavior. Hence, this narrative review focuses on how electrophysiology echoes brain dynamics during development of youngsters with TS and might be useful for the treatment of tics. A comprehensive picture of developmental brain dynamics could be revealed showing that electrophysiological parameters evolve concurrently with clinical characteristics of TS. Specifically, evidence for a maturational delay of motor inhibition related to cortico-spinal hyper-excitability and brain mechanisms for its cognitive compensation could be shown. Moreover, deviant sleep parameters and probably a stronger perception-action binding were reported. For neuromodulatory treatments (e.g., neurofeedback; repetitive transcranial magnetic stimulation, rTMS/transcranial direct current stimulation, tDCS) targeting neuronal deficits and/or strengthening compensatory brain mechanisms, pilot studies support the possibility of positive effects regarding tic reduction. Finally, attention-deficit/hyperactivity disorder (ADHD), as a highly frequent co-existing disorder with TS, has to be considered when using and interpreting electrophysiological measures in TS. In conclusion, application of electrophysiology seems to be promising regarding clinical and research aspects in youngsters with TS.
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Affiliation(s)
- Aribert Rothenberger
- Clinic for Child and Adolescent Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany
| | - Hartmut Heinrich
- neuroCare Group, Munich, Germany.,kbo-Heckscher-Klinikum, Munich, Germany.,Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, Netherlands
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Error and post-error processing in children with attention-deficit/hyperactivity disorder: An electrical neuroimaging study. Clin Neurophysiol 2020; 131:2236-2249. [PMID: 32721844 DOI: 10.1016/j.clinph.2020.06.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 05/07/2020] [Accepted: 06/10/2020] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Inaccurate and inconsistent response styles in attention-deficit/hyperactivity disorder (ADHD) have been observed in a wide variety of cognitive tasks, in line with regulatory deficit models of ADHD. Event-related potential (ERP) studies of error processing have provided evidence for these models, but are limited in specificity. We aimed to improve the isolation, localization and identification of error (self-monitoring and adaptive control) and post-error (implementation of cognitive control) processing in ADHD. METHODS ERPs were obtained for 46 ADHD and 51 typically developing (TD) children using the stop-signal task. Response-locked error (Ne and Pe) and stimulus-locked post-error (N2) components were compared between groups. Ne/Pe were corrected for preceding stimulus overlap and group differences were localized. RESULTS Ne was intact, while Pe amplitude was markedly reduced in children with ADHD (ηp2 = 0.14). Pe differences were localized in the dorsal posterior/midcingulate (BA31/24) cortex. While the TD group showed increased N2 amplitude in post-error trials (ηp2 = 0.24), localized in the left ventrolateral prefrontal cortex (VLPFC) and angular gyrus, the ADHD group did not. CONCLUSIONS Self-regulation deficits in ADHD are associated with later stages of error processing and subsequent implementation of cognitive control. SIGNIFICANCE We contribute to the literature by further specifying error processing deficits in ADHD.
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12
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Eördegh G, Pertich Á, Tárnok Z, Nagy P, Bodosi B, Giricz Z, Hegedűs O, Merkl D, Nyujtó D, Oláh S, Őze A, Vidomusz R, Nagy A. Impairment of visually guided associative learning in children with Tourette syndrome. PLoS One 2020; 15:e0234724. [PMID: 32544176 PMCID: PMC7297359 DOI: 10.1371/journal.pone.0234724] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 06/02/2020] [Indexed: 12/18/2022] Open
Abstract
The major symptoms of Tourette syndrome are motor and vocal tics, but Tourette syndrome is occasionally associated with cognitive alterations as well. Although Tourette syndrome does not affect the majority of cognitive functions, some of them improve. There is scarce evidence on the impairment of learning functions in patients with Tourette syndrome. The core symptoms of Tourette syndrome are related to dysfunction of the basal ganglia and the frontostriatal loops. Acquired equivalence learning is a kind of associative learning that is related to the basal ganglia and the hippocampi. The modified Rutgers Acquired Equivalence Test was used in the present study to observe the associative learning function of patients with Tourette syndrome. The cognitive learning task can be divided into two main phases: the acquisition and test phases. The latter is further divided into two parts: retrieval and generalization. The acquisition phase of the associative learning test, which mainly depends on the function of the basal ganglia, was affected in the entire patient group, which included patients with Tourette syndrome with attention deficit hyperactivity disorder, obsessive compulsive disorder, autism spectrum disorder, or no comorbidities. Patients with Tourette syndrome performed worse in building associations. However, the retrieval and generalization parts of the test phase, which primarily depend on the function of the hippocampus, were not worsened by Tourette syndrome.
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Affiliation(s)
- Gabriella Eördegh
- Faculty of Health Sciences and Social Studies, University of Szeged, Szeged, Hungary
| | - Ákos Pertich
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Zsanett Tárnok
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Péter Nagy
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Balázs Bodosi
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Zsófia Giricz
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Orsolya Hegedűs
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Dóra Merkl
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Diána Nyujtó
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Szabina Oláh
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Attila Őze
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Réka Vidomusz
- Vadaskert Child and Adolescent Psychiatry, Budapest, Hungary
| | - Attila Nagy
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
- * E-mail:
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13
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Neural correlates of performance monitoring in adult patients with Gilles de la Tourette syndrome: A study of event-related potentials. Clin Neurophysiol 2020; 131:597-608. [DOI: 10.1016/j.clinph.2019.11.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 10/24/2019] [Accepted: 11/06/2019] [Indexed: 12/14/2022]
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14
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Schüller T, Fischer AG, Gruendler TOJ, Baldermann JC, Huys D, Ullsperger M, Kuhn J. Decreased transfer of value to action in Tourette syndrome. Cortex 2020; 126:39-48. [PMID: 32062469 DOI: 10.1016/j.cortex.2019.12.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/13/2019] [Accepted: 12/26/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Tourette syndrome is a neurodevelopmental disorder putatively associated with a hyperdopaminergic state. Therefore, it seems plausible that excessive dopamine transmission in Tourette syndrome alters the ability to learn based on rewards and punishments. We tested whether Tourette syndrome patients exhibited altered reinforcement learning and corresponding feedback-related EEG deflections. METHODS We used a reinforcement learning task providing factual and counterfactual feedback in a sample of 15 Tourette syndrome patients and matched healthy controls whilst recording EEG. The paradigm presented various reward probabilities to enforce adaptive adjustments. We employed a computational model to derive estimates of the prediction error, which we used for single-trial regression analysis of the EEG data. RESULTS We found that Tourette syndrome patients showed increased choice stochasticity compared to controls. The feedback-related negativity represented an axiomatic prediction error for factual feedback and did not differ between groups. We observed attenuated P3a modulation specifically for factual feedback in Tourette syndrome patients, representing impaired coding of attention allocation. CONCLUSION Our findings indicate that cortical prediction error coding is unaffected by Tourette syndrome. Nonetheless, the transfer of learned values into choice formation is degraded, in line with a hyperdopaminergic state.
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Affiliation(s)
- Thomas Schüller
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Psychiatry and Psychotherapy, Cologne, Germany.
| | - Adrian G Fischer
- Otto von Guericke University, Center for Behavioral Brain Sciences, Magdeburg, Germany; Freie Universität Berlin, Center for Cognitive Neuroscience, Berlin, Germany
| | - Theo O J Gruendler
- Otto von Guericke University, Center for Behavioral Brain Sciences, Magdeburg, Germany
| | - Juan Carlos Baldermann
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Psychiatry and Psychotherapy, Cologne, Germany
| | - Daniel Huys
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Psychiatry and Psychotherapy, Cologne, Germany
| | - Markus Ullsperger
- Otto von Guericke University, Center for Behavioral Brain Sciences, Magdeburg, Germany; Otto von Guericke University, Institute of Psychology, Magdeburg, Germany
| | - Jens Kuhn
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Psychiatry and Psychotherapy, Cologne, Germany; Johanniter Hospital Oberhausen, Department of Psychiatry, Psychotherapy and Psychosomatic, Oberhausen, Germany
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15
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Inhibition-related differences between tic-free and tic-related obsessive–compulsive disorder: evidence from the N2 and P3. Exp Brain Res 2019; 237:3449-3459. [DOI: 10.1007/s00221-019-05688-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 11/07/2019] [Indexed: 10/25/2022]
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16
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Cognitive and motor event-related potentials in Tourette syndrome and tic disorders: A systematic review. Clin Neurophysiol 2019; 130:1041-1057. [DOI: 10.1016/j.clinph.2018.10.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 09/27/2018] [Accepted: 10/31/2018] [Indexed: 01/10/2023]
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17
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Morand-Beaulieu S, O'Connor KP, Blanchet PJ, Lavoie ME. Electrophysiological predictors of cognitive-behavioral therapy outcome in tic disorders. J Psychiatr Res 2018; 105:113-122. [PMID: 30219560 DOI: 10.1016/j.jpsychires.2018.08.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 08/13/2018] [Accepted: 08/30/2018] [Indexed: 10/28/2022]
Abstract
Cognitive-behavioral therapy (CBT) constitutes an empirically based treatment for tic disorders (TD), but much remains to be learned about its impact at the neural level. Therefore, we examined the electrophysiological correlates of CBT in TD patients, and we evaluated the utility of event-related potentials (ERP) as predictors of CBT outcome. ERPs were recorded during a stimulus-response compatibility (SRC) task in 26 TD patients and 26 healthy controls. Recordings were performed twice, before and after CBT in TD patients, and with a similar time interval in healthy controls. The stimulus- and response-locked lateralized readiness potentials (sLRP & rLRP) were assessed, as well as the N200 and the P300. The results revealed that before CBT, TD patients showed a delayed sLRP onset and larger amplitude of both the sLRP and rLRP peaks, in comparison with healthy controls. The CBT induced an acceleration of the sLRP onset and a reduction of the rLRP peak amplitude. Compared to healthy controls, TD patients showed a more frontal distribution of the No-Go P300, which was however not affected by CBT. Finally, a multiple linear regression analysis including the N200 and the incompatible sLRP onset corroborated a predictive model of therapeutic outcome, which explained 43% of the variance in tic reduction following CBT. The current study provided evidence that CBT can selectively normalize motor processes relative to stimulus-response compatibility in TD patients. Also, ERPs can predict the amount of tic symptoms improvement induced by the CBT and might therefore improve treatment modality allocation among TD patients.
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Affiliation(s)
- Simon Morand-Beaulieu
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de Neurosciences, Université de Montréal, Montreal, Qc, Canada.
| | - Kieron P O'Connor
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de Psychiatrie, Université de Montréal, Montreal, Qc, Canada
| | - Pierre J Blanchet
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de Stomatologie, Université de Montréal, Montreal, Qc, Canada
| | - Marc E Lavoie
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de Neurosciences, Université de Montréal, Montreal, Qc, Canada; Département de Psychiatrie, Université de Montréal, Montreal, Qc, Canada.
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18
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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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19
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Visuomotor learning and unlearning in children and adolescents with tourette syndrome. Cortex 2018; 109:50-59. [PMID: 30292925 DOI: 10.1016/j.cortex.2018.08.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 07/25/2018] [Accepted: 08/02/2018] [Indexed: 11/22/2022]
Abstract
Tourette syndrome (TS) is a childhood-onset neurological condition characterised by an evolving repertoire of chronic motor tics and one or more phonic tics. Tics, like habits, are inflexible and repetitive behaviours that are acquired over a period of time. It has been proposed that tics arise in TS as a result of increased habit learning: which may bias the child to acquire automatic behaviours (i.e., tics) more readily than is normal and make it harder to unlearn maladaptive habits once they have been acquired. Using a well-established visuomotor adaptation task, we investigated motor learning in a group of children and adolescents with a clinical diagnosis of TS relative to a group of age and gender matched typically developing individuals. In particular, we quantified differences in the strength and quality of motor learning and unlearning in TS, and the consolidation of motor learning over a 24 h washout period. We demonstrated that there was a marginally significant decrease in learning rate in the individuals with TS relative to age and gender matched typically developing controls. However, this effect was not associated with tic severity and could be entirely accounted for by the severity of co-occurring ADHD symptoms. Thus, once ADHD symptoms had been accounted for, there were no between group differences in learning rate or the degree of learning observed. By contrast, and more importantly, we found that following learning the rate of forgetting (unlearning) was significantly negatively associated with motor tic severity, such that individuals with more severe tics took longer to unlearn previously learnt motor patterns of behaviour. This finding is consistent with the proposal that TS is associated with alterations in the striatal habit learning system and with the view that TS may make it harder to unlearn maladaptive motor habits once they have been acquired.
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20
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Shephard E, Groom MJ, Jackson GM. Implicit sequence learning in young people with Tourette syndrome with and without co-occurring attention-deficit/hyperactivity disorder. J Neuropsychol 2018; 13:529-549. [PMID: 29972622 DOI: 10.1111/jnp.12167] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 10/30/2018] [Indexed: 11/30/2022]
Abstract
Impaired habit-learning has been proposed to underlie the tic symptoms of Tourette syndrome (TS). However, accounts differ in terms of how habit-learning is altered in TS, with some authors proposing habit formation is impaired due to a deficient 'chunking' mechanism, and others proposing habit-learning is overactive and tics reflect hyperlearned behaviours. Attention-deficit/hyperactivity disorder (ADHD) frequently co-occurs with TS and is known to affect cognitive function in young people with co-occurring TS and ADHD (TS + ADHD). It is unclear, however, how co-occurring ADHD symptoms affect habit-learning in TS. In this study, we investigated whether young people with TS would show deficient or hyperactive habit-learning, and assessed the effects of co-occurring ADHD symptoms on habit-learning in TS. Participants aged 9-17 years with TS (n = 18), TS + ADHD (n = 17), ADHD (n = 13), and typical development (n = 20) completed a motor sequence learning task to assess habit-learning. We used a 2 (TS-yes, TS-no) × 2 (ADHD-yes, ADHD-no) factorial analysis to test the effects of TS, ADHD, and their interaction on accuracy and reaction time indices of sequence learning. TS was associated with intact sequence learning, but a tendency for difficulty transitioning from sequenced to non-sequenced performance was suggestive of hyper-learning. ADHD was associated with significantly poorer accuracy during acquisition of the sequence, indicative of impaired habit-learning. There were no interactions between the TS and ADHD factors, indicating young people with TS + ADHD showed both TS- and ADHD-related atypicalities in habit-learning.
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Affiliation(s)
- Elizabeth Shephard
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology, & Neuroscience, King's College London, UK
| | - Madeleine J Groom
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, UK
| | - Georgina M Jackson
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, UK
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21
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Rizzo F, Nespoli E, Abaei A, Bar-Gad I, Deelchand DK, Fegert J, Rasche V, Hengerer B, Boeckers TM. Aripiprazole Selectively Reduces Motor Tics in a Young Animal Model for Tourette's Syndrome and Comorbid Attention Deficit and Hyperactivity Disorder. Front Neurol 2018; 9:59. [PMID: 29487562 PMCID: PMC5816975 DOI: 10.3389/fneur.2018.00059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 01/23/2018] [Indexed: 12/17/2022] Open
Abstract
Tourette’s syndrome (TS) is a neurodevelopmental disorder characterized primarily by motor and vocal tics. Comorbidities such as attention deficit and hyperactivity disorder (ADHD) are observed in over 50% of TS patients. We applied aripiprazole in a juvenile rat model that displays motor tics and hyperactivity. We additionally assessed the amount of ultrasonic vocalizations (USVs) as an indicator for the presence of vocal tics and evaluated the changes in the striatal neurometabolism using in vivo proton magnetic resonance spectroscopy (1H-MRS) at 11.7T. Thirty-one juvenile spontaneously hypertensive rats (SHRs) underwent bicuculline striatal microinjection and treatment with either aripiprazole or vehicle. Control groups were sham operated and sham injected. Behavior, USVs, and striatal neurochemical profile were analyzed at early, middle, and late adolescence (postnatal days 35 to 50). Bicuculline microinjections in the dorsolateral striatum induced motor tics in SHR juvenile rats. Acute aripiprazole administration selectively reduced both tic frequency and latency, whereas stereotypies, USVs, and hyperactivity remained unaltered. The striatal neurochemical profile was only moderately altered after tic-induction and was not affected by systemic drug treatment. When applied to a young rat model that provides high degrees of construct, face, and predictive validity for TS and comorbid ADHD, aripiprazole selectively reduces motor tics, revealing that tics and stereotypies are distinct phenomena in line with clinical treatment of patients. Finally, our 1H-MRS results suggest a critical revision of the striatal role in the hypothesized cortico-striatal dysregulation in TS pathophysiology.
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Affiliation(s)
- Francesca Rizzo
- Department for Child and Adolescent Psychiatry and Psychotherapy, Ulm University, Ulm, Germany.,Institute of Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Ester Nespoli
- Boehringer Ingelheim Pharma GmbH & Co. KG, CNS Diseases, Biberach an der Riss, Germany
| | - Alireza Abaei
- Core Facility Small Animal Imaging, Ulm University, Ulm, Germany.,Department of Internal Medicine II, Ulm University Medical Center, Ulm, Germany
| | - Izhar Bar-Gad
- Leslie and Susan Gonda (Goldschmied) Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
| | - Dinesh K Deelchand
- Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States
| | - Jörg Fegert
- Department for Child and Adolescent Psychiatry and Psychotherapy, Ulm University, Ulm, Germany
| | - Volker Rasche
- Core Facility Small Animal Imaging, Ulm University, Ulm, Germany.,Department of Internal Medicine II, Ulm University Medical Center, Ulm, Germany
| | - Bastian Hengerer
- Boehringer Ingelheim Pharma GmbH & Co. KG, CNS Diseases, Biberach an der Riss, Germany
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22
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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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23
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Lange F, Seer C, Müller-Vahl K, Kopp B. Cognitive flexibility and its electrophysiological correlates in Gilles de la Tourette syndrome. Dev Cogn Neurosci 2017; 27:78-90. [PMID: 28863370 PMCID: PMC6987949 DOI: 10.1016/j.dcn.2017.08.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 08/10/2017] [Accepted: 08/14/2017] [Indexed: 12/19/2022] Open
Abstract
Gilles de la Tourette syndrome (GTS) may involve cognitive inflexibility. A meta-analysis reveals GTS-related deficits on the Wisconsin Card Sorting Test. Card-sorting deficits are larger in children than in adults with GTS. Adults with GTS show electrophysiological signs of enhanced cognitive control. This change may underlie the normalization of cognitive flexibility in adult GTS.
Motor symptoms in Gilles de la Tourette syndrome (GTS) have been related to changes in frontostriatal brain networks. These changes may also give rise to alterations in cognitive flexibility. However, conclusive evidence for altered cognitive flexibility in patients with GTS is still lacking. Here, we meta-analyzed data from 20 neuropsychological studies that investigated cognitive flexibility in GTS using the Wisconsin Card Sorting Test (WCST). Results revealed medium-sized GTS-related performance deficits, which were significantly modulated by age: Whilst being substantial in children and adolescents with GTS, WCST deficits seem to dissolve in adult patients with GTS. This age-related normalization of WCST performance might result from the compensatory recruitment of cognitive control in adult patients with GTS. We addressed this possibility by examining neural correlates of proactive and reactive cognitive control in an event-related potential (ERP) study. We analyzed cue- and target-locked ERPs from 23 adult patients with GTS and 26 matched controls who completed a computerized version of the WCST. Compared to controls, patients with GTS showed a marked increase in parietal cue-locked P3 activity, indicating enhanced proactive cognitive control. We conclude that the additional recruitment of proactive cognitive control might ensure flexible cognitive functioning in adult patients with GTS.
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Affiliation(s)
- Florian Lange
- Department of Neurology, Hannover Medical School, Hannover, Germany; Behavioral Engineering Research Group, KU Leuven, Leuven, Belgium.
| | - Caroline Seer
- Department of Neurology, Hannover Medical School, Hannover, Germany; Movement Control & Neuroplasticity Research Group, KU Leuven, Leuven, Belgium
| | - Kirsten Müller-Vahl
- Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Bruno Kopp
- Department of Neurology, Hannover Medical School, Hannover, Germany
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24
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Sauvé G, Morand-Beaulieu S, O'Connor KP, Blanchet PJ, Lavoie ME. P300 Source Localization Contrasts in Body-Focused Repetitive Behaviors and Tic Disorders. Brain Sci 2017; 7:E76. [PMID: 28671557 PMCID: PMC5532589 DOI: 10.3390/brainsci7070076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 06/25/2017] [Accepted: 06/27/2017] [Indexed: 11/17/2022] Open
Abstract
Tic disorders (TD) and body-focused repetitive behaviors (BFRB) have similar phenotypes that can be challenging to distinguish in clinical settings. Both disorders show high rates of comorbid psychiatric conditions, dysfunctional basal ganglia activity, atypical cortical functioning in the prefrontal and motor cortical regions, and cognitive deficits. Clinicians frequently confound the two disorders and it is important to find reliable objective methods to discriminate TD and BFRB. Neuropsychological tests and event-related potential (ERP) studies have yielded inconsistent results regarding a possible context updating deficit in TD and BFRB patients. However, most previous studies did not control for the presence of comorbid psychiatric condition and medication status, which might have confounded the findings reported to date. Hence, we aimed to investigate the psychophysiology of working memory using ERP in carefully screened TD and BFRB patients excluding those with psychiatric comorbidity and those taking psychoactive medication. The current study compared 12 TD patients, 12 BRFB patients, and 15 healthy control participants using a motor oddball task (button press). The P300 component was analyzed as an index of working memory functioning. Results showed that BFRB patients had decreased P300 oddball effect amplitudes over the right hemisphere compared to the TD and control groups. Clinical groups presented different scalp distributions compared to controls, which could represent a potential endophenotype candidate of BFRB and TD.
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Affiliation(s)
- Geneviève Sauvé
- Department of Psychiatry, McGill University, Montréal, QC H3A 1A1, Canada.
- Cognitive and Social Psychophysiology Lab, Centre de Recherche de L'Institut Universitaire en Santé Mentale de Montréal, 7331 Hochelaga Street, Montréal, QC H1N 3V2, Canada.
| | - Simon Morand-Beaulieu
- Cognitive and Social Psychophysiology Lab, Centre de Recherche de L'Institut Universitaire en Santé Mentale de Montréal, 7331 Hochelaga Street, Montréal, QC H1N 3V2, Canada.
- Department of Neurosciences, Université de Montréal, Montréal, QC H3T 1J4, Canada.
| | - Kieron P O'Connor
- Department of Psychiatry, Université de Montréal, Montréal, QC H3T 1J4, Canada.
- Centre D'études sur les Troubles Obsessionnels-Compulsifs et les Tics, Centre de Recherche de L'Institut Universitaire en Santé Mentale de Montréal, 7331 Hochelaga Street, Montréal, QC H1N 3V2, Canada.
| | - Pierre J Blanchet
- Department of Neurosciences, Université de Montréal, Montréal, QC H3T 1J4, Canada.
- Centre D'études sur les Troubles Obsessionnels-Compulsifs et les Tics, Centre de Recherche de L'Institut Universitaire en Santé Mentale de Montréal, 7331 Hochelaga Street, Montréal, QC H1N 3V2, Canada.
- Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montréal, QC H3T 1J4, Canada.
| | - Marc E Lavoie
- Cognitive and Social Psychophysiology Lab, Centre de Recherche de L'Institut Universitaire en Santé Mentale de Montréal, 7331 Hochelaga Street, Montréal, QC H1N 3V2, Canada.
- Department of Neurosciences, Université de Montréal, Montréal, QC H3T 1J4, Canada.
- Department of Psychiatry, Université de Montréal, Montréal, QC H3T 1J4, Canada.
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Eichele H, Eichele T, Marquardt L, Adolfsdottir S, Hugdahl K, Sørensen L, Plessen KJ. Development of Performance and ERPs in a Flanker Task in Children and Adolescents with Tourette Syndrome-A Follow-Up Study. Front Neurosci 2017; 11:305. [PMID: 28659750 PMCID: PMC5466959 DOI: 10.3389/fnins.2017.00305] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 05/16/2017] [Indexed: 01/21/2023] Open
Abstract
Background: Tourette Syndrome (TS) is a neurodevelopmental disorder with childhood-onset, with a typical decline in tic severity, as well as an increasing ability to suppress tics in late childhood and adolescence. These processes develop in parallel with general improvement of self-regulatory abilities, and performance monitoring during this age-span. Hence, changes in performance monitoring over time might provide insight into the regulation of tics in children and adolescents with TS. Method: We measured reaction time, reaction time variability, accuracy, and event-related potentials (ERP) in 17 children with TS, including 10 children with comorbid Attention-Deficit/Hyperactivity Disorder (ADHD), 24 children with ADHD, and 29 typically developing children, using a modified Eriksen Flanker task in two testing sessions administered on average 4.5 years apart. We then compared task performance, as well as ERP components across groups, and over time using regression models. Results: Task performance improved in all groups with age, and behavioral differences between children with TS and controls diminished at second assessment, while differences between controls and children with ADHD largely persisted. In terms of ERP, the early P3 developed earlier in children with TS compared with controls at the first assessment, but trajectories converged with maturation. ERP component amplitudes correlated with worst-ever tic scores. Conclusions: Merging trajectories between children with TS and controls are consistent with the development of compensatory self-regulation mechanisms during early adolescence, probably facilitating tic suppression, in contrast to children with ADHD. Correlations between ERP amplitudes and tic scores also support this notion.
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Affiliation(s)
- Heike Eichele
- Department of Biological and Medical Psychology, University of BergenBergen, Norway
| | - Tom Eichele
- Department of Biological and Medical Psychology, University of BergenBergen, Norway.,K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway.,Section for Neurophysiology, Department of Neurology, Haukeland University HospitalBergen, Norway
| | - Lynn Marquardt
- Department of Biological and Medical Psychology, University of BergenBergen, Norway
| | | | - Kenneth Hugdahl
- Department of Biological and Medical Psychology, University of BergenBergen, Norway.,K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway.,Division of Psychiatry, Haukeland University HospitalBergen, Norway
| | - Lin Sørensen
- Department of Biological and Medical Psychology, University of BergenBergen, Norway.,K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway
| | - Kerstin J Plessen
- K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway.,Child and Adolescent Mental Health Center, Mental Health Services Capital RegionCopenhagen, Denmark.,Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of CopenhagenCopenhagen, Denmark
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26
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Morand-Beaulieu S, Grot S, Lavoie J, Leclerc JB, Luck D, Lavoie ME. The puzzling question of inhibitory control in Tourette syndrome: A meta-analysis. Neurosci Biobehav Rev 2017; 80:240-262. [PMID: 28502600 DOI: 10.1016/j.neubiorev.2017.05.006] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 05/04/2017] [Accepted: 05/08/2017] [Indexed: 02/02/2023]
Abstract
Tourette syndrome (TS) is a neuropsychiatric disorder involving motor and phonic tics. Inhibitory control is a key issue in TS, and many disruptive or impulsive behaviors might arise from inhibitory deficits. However, conflicting findings regarding TS patients' inhibitory performance in neuropsychological tasks have been reported throughout the literature. Therefore, this meta-analysis aimed to evaluate inhibitory control through neuropsychological tasks, and to analyze the factors modulating inhibitory deficits. To this end, a literature search was performed through MEDLINE and PsycINFO, to retrieve studies including neuropsychological tasks that assessed inhibitory control in TS patients. Of the 4020 studies identified, 61 were included in the meta-analysis, for a total of 1717 TS patients. Our analyses revealed a small to medium effect in favor of inhibitory deficits in TS patients. This effect was larger in TS+ADHD patients, but pure TS patients also showed some inhibitory deficits. Therefore, deficits in inhibitory control seem to be an inherent component of TS, and are exacerbated when ADHD is concomitant.
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Affiliation(s)
- Simon Morand-Beaulieu
- Cognitive and Social Psychophysiology Lab, Montreal, Qc, Canada; Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de neurosciences, Université de Montréal, Montreal, Qc, Canada.
| | - Stéphanie Grot
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de psychiatrie, Université de Montréal, Montreal, Qc, Canada.
| | - Jacob Lavoie
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de neurosciences, Université de Montréal, Montreal, Qc, Canada.
| | - Julie B Leclerc
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de psychologie, Université du Québec à Montréal, Montreal, Qc, Canada.
| | - David Luck
- Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de neurosciences, Université de Montréal, Montreal, Qc, Canada; Département de psychiatrie, Université de Montréal, Montreal, Qc, Canada.
| | - Marc E Lavoie
- Cognitive and Social Psychophysiology Lab, Montreal, Qc, Canada; Centre de recherche de l'Institut universitaire en santé mentale de Montréal, Montreal, Qc, Canada; Département de neurosciences, Université de Montréal, Montreal, Qc, Canada; Département de psychiatrie, Université de Montréal, Montreal, Qc, Canada.
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27
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Darrow SM, Hirschtritt ME, Davis LK, Illmann C, Osiecki L, Grados M, Sandor P, Dion Y, King R, Pauls D, Budman CL, Cath DC, Greenberg E, Lyon GJ, Yu D, McGrath LM, McMahon WM, Lee PC, Delucchi KL, Scharf JM, Mathews CA. Identification of Two Heritable Cross-Disorder Endophenotypes for Tourette Syndrome. Am J Psychiatry 2017; 174:387-396. [PMID: 27809572 PMCID: PMC5378637 DOI: 10.1176/appi.ajp.2016.16020240] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Phenotypic heterogeneity in Tourette syndrome is partly due to complex genetic relationships among Tourette syndrome, obsessive-compulsive disorder (OCD), and attention deficit hyperactivity disorder (ADHD). Identifying symptom-based endophenotypes across diagnoses may aid gene-finding efforts. METHOD Assessments for Tourette syndrome, OCD, and ADHD symptoms were conducted in a discovery sample of 3,494 individuals recruited for genetic studies. Symptom-level factor and latent class analyses were conducted in Tourette syndrome families and replicated in an independent sample of 882 individuals. Classes were characterized by comorbidity rates and proportion of parents included. Heritability and polygenic load associated with Tourette syndrome, OCD, and ADHD were estimated. RESULTS The authors identified two cross-disorder symptom-based phenotypes across analyses: symmetry (symmetry, evening up, checking obsessions; ordering, arranging, counting, writing-rewriting compulsions, repetitive writing tics) and disinhibition (uttering syllables/words, echolalia/palilalia, coprolalia/copropraxia, and obsessive urges to offend/mutilate/be destructive). Heritability estimates for both endophenotypes were high and statistically significant (disinhibition factor=0.35, SE=0.03; symmetry factor=0.39, SE=0.03; symmetry class=0.38, SE=0.10). Mothers of Tourette syndrome probands had high rates of symmetry (49%) but not disinhibition (5%). Polygenic risk scores derived from a Tourette syndrome genome-wide association study (GWAS) were significantly associated with symmetry, while risk scores derived from an OCD GWAS were not. OCD polygenic risk scores were significantly associated with disinhibition, while Tourette syndrome and ADHD risk scores were not. CONCLUSIONS The analyses identified two heritable endophenotypes related to Tourette syndrome that cross traditional diagnostic boundaries. The symmetry phenotype correlated with Tourette syndrome polygenic load and was present in otherwise Tourette-unaffected mothers, suggesting that this phenotype may reflect additional Tourette syndrome (rather than OCD) genetic liability that is not captured by traditional DSM-based diagnoses.
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Affiliation(s)
| | | | - Lea K. Davis
- Vanderbilt University Department of Medicine, Nashville
| | - Cornelia Illmann
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston
| | - Lisa Osiecki
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston
| | - Marco Grados
- Johns Hopkins University School of Medicine Department of Psychiatry and Behavioral Sciences, Baltimore
| | - Paul Sandor
- University of Toronto Department of Psychiatry and University Health Network, and Youthdale Treatment Centers, Ontario, Canada
| | - Yves Dion
- University of Montreal Department of Psychiatry, Quebec, Canada
| | - Robert King
- Yale Child Study Center, Yale University School of Medicine Department of Genetics, New Haven
| | - David Pauls
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston
| | - Cathy L. Budman
- North Shore/Long Island Jewish Health System, Feinstein Institute for Medical Research, Manhasset
| | - Danielle C. Cath
- Utrecht University Faculty of Social and Behavioural Sciences, Utrecht, The Netherlands
| | - Erica Greenberg
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston
| | - Gholson J. Lyon
- Stanley Institute for Cognitive Genomics, Cold Spring Harbor Laboratory, Cold Spring Harbor
| | - Dongmei Yu
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston
| | | | | | - Paul C. Lee
- Tripler Army Medical Center Department of Behavioral Health, Honolulu
| | | | - Jeremiah M. Scharf
- Psychiatric and Neurodevelopmental Genetics Unit, Department of Psychiatry, Massachusetts General Hospital, Boston,Departments of Neurology, Brigham and Women’s and Massachusetts General Hospitals, Boston
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Shephard E, Jackson GM, Groom MJ. Electrophysiological correlates of reinforcement learning in young people with Tourette syndrome with and without co-occurring ADHD symptoms. Int J Dev Neurosci 2016; 51:17-27. [PMID: 27103231 DOI: 10.1016/j.ijdevneu.2016.04.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 04/14/2016] [Indexed: 01/28/2023] Open
Abstract
Altered reinforcement learning is implicated in the causes of Tourette syndrome (TS) and attention-deficit/hyperactivity disorder (ADHD). TS and ADHD frequently co-occur but how this affects reinforcement learning has not been investigated. We examined the ability of young people with TS (n=18), TS+ADHD (N=17), ADHD (n=13) and typically developing controls (n=20) to learn and reverse stimulus-response (S-R) associations based on positive and negative reinforcement feedback. We used a 2 (TS-yes, TS-no)×2 (ADHD-yes, ADHD-no) factorial design to assess the effects of TS, ADHD, and their interaction on behavioural (accuracy, RT) and event-related potential (stimulus-locked P3, feedback-locked P2, feedback-related negativity, FRN) indices of learning and reversing the S-R associations. TS was associated with intact learning and reversal performance and largely typical ERP amplitudes. ADHD was associated with lower accuracy during S-R learning and impaired reversal learning (significantly reduced accuracy and a trend for smaller P3 amplitude). The results indicate that co-occurring ADHD symptoms impair reversal learning in TS+ADHD. The implications of these findings for behavioural tic therapies are discussed.
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Affiliation(s)
- Elizabeth Shephard
- MRC Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, & Neuroscience (IoPPN), King's College London, 16 De Crespigny Park, Denmark Hill, London, SE5 8AF, UK.
| | - Georgina M Jackson
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, Jubilee Campus, Triumph Road, Nottingham, NG7 2TU, UK.
| | - Madeleine J Groom
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, Jubilee Campus, Triumph Road, Nottingham, NG7 2TU, UK.
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29
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Shephard E, Jackson GM, Groom MJ. WITHDRAWN: Electrophysiological correlates of reinforcement learning in young people with Tourette syndrome with and without co-occurring ADHD symptoms. Int J Dev Neurosci 2016:S0736-5748(15)30159-3. [PMID: 27103230 DOI: 10.1016/j.ijdevneu.2016.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 04/15/2016] [Accepted: 04/16/2016] [Indexed: 11/27/2022] Open
Abstract
The Publisher regrets that this article is an accidental duplication of an article that has already been published, http://dx.doi.org/10.1016/j.ijdevneu.2016.04.006. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
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Affiliation(s)
- Elizabeth Shephard
- MRC Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, & Neuroscience (IoPPN), King's College London, 16 De Crespigny Park, Denmark Hill, London SE5 8AF, UK.
| | - Georgina M Jackson
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, Jubilee Campus, Triumph Road, Nottingham NG7 2TU, UK.
| | - Madeleine J Groom
- Division of Psychiatry and Applied Psychology, Institute of Mental Health, University of Nottingham, Jubilee Campus, Triumph Road, Nottingham NG7 2TU, UK.
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30
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Eichele H, Eichele T, Bjelland I, Høvik MF, Sørensen L, van Wageningen H, Worren MK, Hugdahl K, Plessen KJ. Performance Monitoring in Medication-Naïve Children with Tourette Syndrome. Front Neurosci 2016; 10:50. [PMID: 26973443 PMCID: PMC4771943 DOI: 10.3389/fnins.2016.00050] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 02/04/2016] [Indexed: 01/08/2023] Open
Abstract
Background: Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder and its impact on cognitive development needs further study. Evidence from neuropsychological, neuroimaging and electrophysiological studies suggests that the decline in tic severity and the ability to suppress tics relate to the development of self-regulatory functions in late childhood and adolescence. Hence, tasks measuring performance monitoring might provide insight into the regulation of tics in children with TS. Method: Twenty-five children with TS, including 14 with comorbid Attention-deficit/ hyperactivity disorder (ADHD), 39 children with ADHD and 35 typically developing children aged 8–12 years were tested with a modified Eriksen-Flanker task during a 34-channel electroencephalography (EEG) recording. Task performance, as well as stimulus-locked and response-locked event-related potentials (ERP) were analyzed and compared across groups. Results: Participants did not differ in their behavioral performance. Children with TS showed higher amplitudes of an early P3 component of the stimulus-locked ERPs in ensemble averages and in separate trial outcomes, suggesting heightened orienting and/or attention during stimulus evaluation. In response-locked averages, children with TS had a slightly higher positive complex before the motor response, likely also reflecting a late P3. Groups did not differ in post-response components, particularly in the error-related negativity (ERN) and error-related positivity (Pe). Conclusions: These findings suggest that children with TS may employ additional attentional resources as a compensatory mechanism to maintain equal behavioral performance.
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Affiliation(s)
- Heike Eichele
- Department of Biological and Medical Psychology, University of Bergen Bergen, Norway
| | - Tom Eichele
- Department of Biological and Medical Psychology, University of BergenBergen, Norway; K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway; Section for Neurophysiology, Department of Neurology, Haukeland University HospitalBergen, Norway
| | - Ingvar Bjelland
- Department of Psychiatry, Haukeland University HospitalBergen, Norway; Department of Clinical Medicine, Faculty of Medicine and Dentistry, University of BergenBergen, Norway
| | - Marie F Høvik
- Department of Clinical Medicine, Faculty of Medicine and Dentistry, University of Bergen Bergen, Norway
| | - Lin Sørensen
- Department of Biological and Medical Psychology, University of Bergen Bergen, Norway
| | - Heidi van Wageningen
- Department of Biological and Medical Psychology, University of Bergen Bergen, Norway
| | - Marius Kalsås Worren
- Department of Clinical Medicine, Faculty of Medicine and Dentistry, University of Bergen Bergen, Norway
| | - Kenneth Hugdahl
- Department of Biological and Medical Psychology, University of BergenBergen, Norway; K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway; Department of Psychiatry, Haukeland University HospitalBergen, Norway
| | - Kerstin J Plessen
- K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of BergenBergen, Norway; Child and Adolescent Mental Health Center, Mental Health Services Capital RegionCopenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of CopenhagenCopenhagen, Denmark
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