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https://www.readbyqxmd.com/read/29781408/gilles-de-la-tourette-syndrome-as-a-paradigmatic-neuropsychiatric-disorder
#1
Andrea E Cavanna
Gilles de la Tourette syndrome is a chronic and complex tic disorder accompanied by specific behavioral problems in the majority of patients. With its multifaceted interplay between motion and emotion, this condition is a paradigmatic example of the science and art of clinical neuropsychiatry. This review article encompasses the clinical phenomenology of motor and vocal tics and associated sensory experiences (premonitory urges), as well as the behavioral spectrum of the most common comorbidities, including obsessive-compulsive disorder, attention-deficit and hyperactivity disorder, affective symptoms, and impulsivity...
May 21, 2018: CNS Spectrums
https://www.readbyqxmd.com/read/29781133/inhibition-is-impaired-in-children-with-obsessive-compulsive-symptoms-but-not-in-those-with-tics
#2
Christian Mancini, Francesco Cardona, Valentina Baglioni, Sara Panunzi, Patrizia Pantano, Antonio Suppa, Giovanni Mirabella
BACKGROUND: Impaired inhibitory control is thought to be a core deficit in psychiatric disorders where patients exhibit problems with controlling urges. These problems include the urge to perform movements typical of Tourette syndrome and the urge to execute compulsive actions typical of obsessive-compulsive disorder. However, the picture emerging from studies that address this issue is controversial. Furthermore, most studies have only focused on reactive control (the ability of subjects to react to a stop signal), but not on proactive control (the ability of patients to shape their response strategies in anticipation of known task demands)...
May 21, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29758375/alterations-in-the-microstructure-of-white-matter-in-children-and-adolescents-with-tourette-syndrome-measured-using-tract-based-spatial-statistics-and-probabilistic-tractography
#3
Hilmar P Sigurdsson, Sophia E Pépés, Georgina M Jackson, Amelia Draper, Paul S Morgan, Stephen R Jackson
Tourette syndrome (TS) is a neurodevelopmental disorder characterised by repetitive and intermittent motor and vocal tics. TS is thought to reflect fronto-striatal dysfunction and the aetiology of the disorder has been linked to widespread alterations in the functional and structural integrity of the brain. The aim of this study was to assess white matter (WM) abnormalities in a large sample of young patients with TS in comparison to a sample of matched typically developing control individuals (CS) using diffusion MRI...
April 12, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29755921/a-comprehensive-review-of-tourette-syndrome-and-complementary-alternative-medicine
#4
REVIEW
Ashutosh Kumar, L Duda, G Mainali, S Asghar, D Byler
Purpose of Review: Tourette syndrome (TS) is a neuropsychiatric condition defined by both motor and phonic tics over a period of at least 1 year with the onset before 18 years of age. The purpose of this article is to review the use of complementary alternative medicine (CAM) in children and adults with Tourette syndrome with emphasis on recent research. Recent Findings: Most patients do not tell their physician about the use of CAM unless if specifically asked...
2018: Current Developmental Disorders Reports
https://www.readbyqxmd.com/read/29748952/disentangling-tourette-syndrome-heterogeneity-through-hierarchical-ascendant-clustering
#5
Elena Cravedi, Emmanuelle Deniau, Marianna Giannitelli, Hugues Pellerin, Virginie Czernecki, Tiphanie Priou, Jean Xavier, Angèle Consoli, Andreas Hartmann, David Cohen
AIM: To explore the heterogeneity of Tourette syndrome as part of a neurodevelopmental spectrum. METHOD: Using hierarchical ascendant clustering based on tic symptoms, developmental milestones, and neurodevelopmental comorbidities, we analyzed the heterogeneity of Tourette syndrome phenotypes in a sample of 174 children and adolescents with Tourette syndrome referred to a tertiary university clinic. RESULTS: The model yielded three distinct clusters characterized as follows...
May 10, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29746399/tourette-syndrome-clinical-spectrum-mechanisms-and-personalized-treatments
#6
Andreas Hartmann, Yulia Worbe
PURPOSE OF REVIEW: To describe recent advances regarding the disease spectrum in Tourette syndrome, offer new mechanistic insights into tic generation and provide clues for personalized treatments in this disorder. RECENT FINDINGS: Apart from tics, which define Tourette syndrome, comorbidities are the rule and not the exception. They significantly define clinical presentation, disease severity and quality of life. Recent studies have highlighted the importance of screening for depression, anxiety and autism spectrum disorders in Tourette syndrome...
May 8, 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29736078/deep-brain-stimulation-of-anteromedial-globus-pallidus-internus-for-severe-tourette-syndrome
#7
Paresh K Doshi, Raghvendra Ramdasi, Smita Thorve
Tourette syndrome (TS) is a complex disorder characterized by tics and is associated with behavioral problems. Although its intensity decreases in adolescence and adult life, in some cases it continues to remain severe and refractory to medical treatment. Deep brain stimulation has been offered as a treatment option in such cases. We report two cases of TS treated with of anteromedial globus pallidum internus. Both the cases had good postoperative control of tics and associated obsessive-compulsive behavior...
January 2018: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/29735930/efficacy-of-a-gluten-free-diet-in-the-gilles-de-la-tourette-syndrome-a-pilot-study
#8
Luis Rodrigo, Nuria Álvarez, Enrique Fernández-Bustillo, Javier Salas-Puig, Marcos Huerta, Carlos Hernández-Lahoz
The Gilles de la Tourette syndrome (GTS) and Non-Coeliac Gluten Sensitivity (NCGS) may be associated. We analyse the efficacy of a gluten-free diet (GFD) in 29 patients with GTS (23 children; six adults) in a prospective pilot study. All of them followed a GFD for one year. The Yale Global Tics Severity Scale (YGTSS), the Yale-Brown Obsessive-Compulsive Scale—Self Report (Y-BOCS) or the Children’s Yale-Brown Obsessive-Compulsive Scale—Self Report (CY-BOCS), and the Cavanna’s Quality of Life Questionnaire applied to GTS (GTS-QOL) were compared before and after the GFD; 74% of children and 50% of adults were males, not significant (NS)...
May 7, 2018: Nutrients
https://www.readbyqxmd.com/read/29729555/self-esteem-in-adults-with-tourette-syndrome-and-chronic-tic-disorders-the-roles-of-tic-severity-treatment-and-comorbidity
#9
Hilary Weingarden, Lawrence Scahill, Susanne Hoeppner, Alan L Peterson, Douglas W Woods, John T Walkup, John Piacentini, Sabine Wilhelm
BACKGROUND: Tourette syndrome (TS) and chronic tic disorders (CTD) are stigmatizing disorders that may significantly impact self-esteem. Alternatively, comorbid psychiatric illnesses may affect self-esteem more than tics themselves. Extant research on self-esteem in TS/CTD is limited, has inconsistently examined the effect of comorbidities on self-esteem, and yields mixed findings. METHOD: This study aimed to clarify the roles of tics versus comorbid diagnoses on self-esteem in a large, carefully diagnosed sample of adults with TS/CTD (N = 122) receiving 10 weeks of Comprehensive Behavioral Intervention for Tics (CBIT) or Psychoeducation and Supportive Therapy (PST)...
April 23, 2018: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29707998/quality-of-life-among-children-and-adolescents-with-tourette-disorder-and-comorbid-adhd-a-clinical-controlled-study
#10
Seda Erbilgin Gün, Ayse Kilincaslan
OBJECTIVE: To examine (a) the quality of life (QOL) in children with Tourette's disorder (TD) and ADHD (TD + ADHD) compared with ADHD without tics (ADHD alone) and (b) the effects of the severity of tics, ADHD symptoms, comorbid diagnoses, and family functioning on QOL. METHOD: The assessments included the Kiddie-Schedule for Affective Disorders and Schizophrenia, Yale Global Tic Severity Scale, ADHD Rating Scale, Pediatric Quality of Life Inventory, and Family Assessment Device...
April 1, 2018: Journal of Attention Disorders
https://www.readbyqxmd.com/read/29704964/the-long-term-effects-of-group-based-psychological-interventions-for-children-with-tourette-syndrome-a-randomized-controlled-trial
#11
Julia Dabrowski, John King, Katie Edwards, Rachel Yates, Isobel Heyman, Sharon Zimmerman-Brenner, Tara Murphy
This randomized controlled trial examined the long-term effects of group-based psychological interventions on measures of tic severity, self-reported quality of life (QOL), and school attendance. Children (n = 28) with Tourette syndrome (TS) were assessed 12 months after completing a course of either group-based Habit Reversal Training (HRT) or Education. Both groups demonstrated long-term improvement in tic severity and QOL, which included significant continued improvement during the follow-up (FU) period...
May 2018: Behavior Therapy
https://www.readbyqxmd.com/read/29698507/altered-dopaminergic-regulation-of-the-dorsal-striatum-is-able-to-induce-tic-like-movements-in-juvenile-rats
#12
Ester Nespoli, Francesca Rizzo, Tobias Boeckers, Ulrike Schulze, Bastian Hengerer
Motor tics are sudden, repetitive, involuntary movements representing the hallmark behaviors of the neurodevelopmental disease Tourette's syndrome (TS). The primary cause of TS remains unclear. The initial observation that dopaminergic antagonists alleviate tics led to the development of a dopaminergic theory of TS etiology which is supported by post mortem and in vivo studies indicating that non-physiological activation of the striatum could generate tics. The striatum controls movement execution through the balanced activity of dopamine receptor D1 and D2-expressing medium spiny neurons of the direct and indirect pathway, respectively...
2018: PloS One
https://www.readbyqxmd.com/read/29656800/dopaminergic-disturbances-in-tourette-syndrome-an-integrative-account
#13
REVIEW
Tiago V Maia, Vasco A Conceição
Tourette syndrome (TS) is thought to involve dopaminergic disturbances, but the nature of those disturbances remains controversial. Existing hypotheses suggest that TS involves 1) supersensitive dopamine receptors, 2) overactive dopamine transporters that cause low tonic but high phasic dopamine, 3) presynaptic dysfunction in dopamine neurons, or 4) dopaminergic hyperinnervation. We review evidence that contradicts the first two hypotheses; we also note that the last two hypotheses have traditionally been considered too narrowly, explaining only small subsets of findings...
March 9, 2018: Biological Psychiatry
https://www.readbyqxmd.com/read/29619935/tourette-syndrome-in-a-longitudinal-perspective-clinical-course-of-tics-and-comorbidities-coexisting-psychopathologies-phenotypes-and-predictors
#14
Camilla Groth
Tourette syndrome (TS) is a childhood onset neurodevelopmental disorder characterised by motor and vocal tics and frequent associated comorbidities. The developmental trajectory of tic shows tic-onset in the age of 4-6, peak in the age of 10-12 and decline during adolescence, although only few and small longitudinal studies form the basis of this evidence. Recent studies suggest that comorbid obsessive-compulsive disorder (OCD), attention deficit-hyperactivity disorder (ADHD) and coexisting psychopathologies tend to persist and become more dominant in adolescence...
April 2018: Danish Medical Journal
https://www.readbyqxmd.com/read/29606319/repetitive-movements-and-behaviors-in-neurological-and-psychiatric-practice-distinctions-and-similarities-between-tourette-disorder-and-obsessive-compulsive-disorder
#15
REVIEW
A Hartmann, B Millet
Repetitive movements are the hallmark of chronic tic disorders such as Tourette disorder (TD), whereas repetitive behaviors are characteristic of obsessive-compulsive disorder (OCD). Both disorders tend to frequently co-occur, as a substantial number of patients with TD also suffer from OCD and vice versa. While the clinical distinction between tics and OCD is usually easy, there are borderline forms, and correct symptom recognition is vital for choosing the appropriate treatment modalities for each disorder, be they pharmacological, psychotherapeutic (behavioral therapy) or brain stimulation (deep brain stimulation, repetitive transcranial magnetic stimulation)...
March 29, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29593638/tourette-syndrome-a-mini-review
#16
REVIEW
Michal Novotny, Martin Valis, Blanka Klimova
The purpose of this mini-review is to provide the latest information on epidemiology, pathophysiology, diagnosis, and treatment of Tourette syndrome (TS). The authors conducted a literature search of available sources describing the issue of tic disorders with special focus on TS and made a comparison and evaluation of relevant findings. The results of this mini-review indicate that TS is a complex disorder, which has a significant impact on the quality of life of both the patients and his/her family. Therefore, early and proper diagnosis and treatment are necessary in order to reduce or even eliminate both symptoms and social burden of the patient...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29560306/global-network-modulation-during-thalamic-stimulation-for-tourette-syndrome
#17
Hang Joon Jo, Kevin W McCairn, William S Gibson, Paola Testini, Cong Zhi Zhao, Krzysztof R Gorny, Joel P Felmlee, Kirk M Welker, Charles D Blaha, Bryan T Klassen, Hoon-Ki Min, Kendall H Lee
Background and objectives: Deep brain stimulation (DBS) of the thalamus is a promising therapeutic alternative for treating medically refractory Tourette syndrome (TS). However, few human studies have examined its mechanism of action. Therefore, the networks that mediate the therapeutic effects of thalamic DBS remain poorly understood. Methods: Five participants diagnosed with severe medically refractory TS underwent bilateral thalamic DBS stereotactic surgery. Intraoperative fMRI characterized the blood oxygen level-dependent (BOLD) response evoked by thalamic DBS and determined whether the therapeutic effectiveness of thalamic DBS, as assessed using the Modified Rush Video Rating Scale test, would correlate with evoked BOLD responses in motor and limbic cortical and subcortical regions...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29559228/sensory-aspects-of-tourette-syndrome
#18
REVIEW
Joanna H Cox, Stefano Seri, Andrea E Cavanna
Motor and vocal tics have long been recognised as the core features of Tourette syndrome (TS). However, patients' first-person accounts have consistently reported that these involuntary motor manifestations have specific sensory correlates. These sensory symptoms are often described as feelings of mounting inner tension ("premonitory urges") and are transiently relieved by tic expression. Multimodal hypersensitivity to external stimuli, perceived as triggers and/or exacerbating factors for specific tic symptoms, is also commonly reported by patients with TS...
March 17, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29554545/seroprevalance-anti-toxoplasma-gondii-antibodies-in-children-and-adolescents-with-tourette-syndrome-chronic-motor-or-vocal-tic-disorder-a-case-control-study
#19
İsmail Akaltun, Tayfun Kara, Soner Sertan Kara, Hamza Ayaydın
Toxoplasma gondii infection may be associated with psychiatric disorders due to its neurological effects. The purpose of this study was to investigate the relation between tic disorders in children and adolescents and Anti-Toxoplasma IgG. 43 children diagnosed with Tourette's syndrome(TS) and 87 with chronic motor or vocal tic disorder(CMVTD), and 130 healthy volunteers, all aged 7-18, were enrolled. Anti-Toxoplasma IgG antibody levels obtained from blood specimens were investigated. Toxoplasma IgG positivity was determined in 16(37...
May 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29549877/reduced-specificity-of-autobiographical-memories-in-young-people-with-tic-disorders
#20
Victoria Pile, Sally Robinson, Elystan Roberts, Marta Topor, Tammy Hedderly, Jennifer Y F Lau
OBJECTIVE: Depression is common in Tourette syndrome and Chronic Tic Disorders (TS/CTD) and contributes to significant impairment. The specificity of autobiographical memories is implicated in an individual's sense of self and their daily functioning but also in the onset and development of depression in the general population. Here, we examined whether memory specificity is reduced in young people with TS/CTD, relative to control participants, and whether memory specificity is associated with depression...
May 2018: Comprehensive Psychiatry
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