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ADHD , Tourette Syndrome

Francesca Rizzo, Ester Nespoli, Alireza Abaei, Izhar Bar-Gad, Dinesh K Deelchand, Jörg Fegert, Volker Rasche, Bastian Hengerer, Tobias M Boeckers
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...
2018: Frontiers in Neurology
Hana Weisman, Shula Parush, Alan Apter, Silvana Fennig, Noa Benaroya-Milshtein, Tamar Steinberg
Disrupted somatosensory processing characterized by over- or under- responsiveness to environmental stimuli plays an important, yet often overlooked, role in typical development and is aberrant in various neurodevelopmental disorders. These dysfunctional somatosensory processes have been conceptualized as an entity termed somatosensory dysregulation (SMD). Since Tourette syndrome (TS) is a prototypical example of developmental psychopathological disorder, we hypothesised that SMD would be a feature found in children suffering from the disorder...
February 23, 2018: Journal of Neural Transmission
Michael O Ogundele, Hani F Ayyash
Attention deficit hyperactivity disorder (ADHD) is the most common neurodevelopmental disorder in children and adolescents, with prevalence ranging between 5% and 12% in the developed countries. Tic disorders (TD) are common co-morbidities in paediatric ADHD patients with or without pharmacotherapy treatment. There has been conflicting evidence of the role of psychostimulants in either precipitating or exacerbating TDs in ADHD patients. We carried out a literature review relating to the management of TDs in children and adolescents with ADHD through a comprehensive search of MEDLINE, EMBASE, CINAHL and Cochrane databases...
February 8, 2018: World Journal of Clinical Pediatrics
Leonie Marwitz, Tamara Pringsheim
Background: Tourette syndrome (TS) is often co-morbid with attention deficit hyperactivity disorder (ADHD) and obsessive compulsive disorder (OCD). Studies of TS, anxiety and depression have found variable results depending on study methodology and sample characteristics. Our aim was to examine the clinical utility of routine screening for anxiety and depression in children with TS. Methods: Using a clinic-based sample, we evaluated the proportion of children with TS meeting diagnostic criteria for ADHD, OCD, generalized anxiety disorder (GAD), separation anxiety disorder (SAD), and major depressive disorder (MDD); the frequency of above average anxiety and depressive symptoms using the Multidimensional Anxiety Scale for Children (MASC) and the Children's Depression Inventory (CDI); and the association between diagnoses and symptom severity...
January 2018: Journal of the Canadian Academy of Child and Adolescent Psychiatry
William Poh, Jonathan M Payne, Alisha Gulenc, Daryl Efron
OBJECTIVE: To examine in a community-based cohort: (1) the prevalence of chronic tic disorder (CTD) in children with attention-deficit/hyperactivity disorder (ADHD) compared with non-ADHD controls at ages 7 and 10; and (2) the additional psychiatric and functional burden of CTD in children with ADHD. METHODS: Children aged 6-8 years with ADHD (n=179) and controls (n=212) were recruited through 43 Victorian schools using parent and teacher screening surveys (Conners 3 ADHD Index), followed by case confirmation (Diagnostic Interview Schedule for Children-IV (DISC-IV))...
January 9, 2018: Archives of Disease in Childhood
Elena Cravedi, Emmanuelle Deniau, Marianna Giannitelli, Jean Xavier, Andreas Hartmann, David Cohen
Gilles de la Tourette syndrome (TS) is a complex developmental neuropsychiatric condition in which motor manifestations are often accompanied by comorbid conditions that impact the patient's quality of life. In the DSM-5, TS belongs to the "neurodevelopmental disorders" group, together with other neurodevelopmental conditions, frequently co-occurring. In this study, we searched the PubMed database using a combination of keywords associating TS and all neurodevelopmental diagnoses. From 1009 original reports, we identified 36 studies addressing TS and neurodevelopmental comorbidities...
2017: Child and Adolescent Psychiatry and Mental Health
Melissa L Danielson, Susanna N Visser, Andrea Chronis-Tuscano, George J DuPaul
OBJECTIVE: To characterize lifetime and current rates of attention-deficit/hyperactivity disorder (ADHD) treatments among US children and adolescents with current ADHD and describe the association of these treatments with demographic and clinical factors. STUDY DESIGN: Data are from the 2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndrome, a follow-back survey of parents from the 2011-2012 National Survey of Children's Health. Weighted analyses focused on receipt of ADHD treatment among children aged 4-17 years with current ADHD (n = 2495) by 4 treatment types: medication, school supports, psychosocial interventions, and alternative treatments...
November 10, 2017: Journal of Pediatrics
Erica Greenberg, Esther S Tung, Caitlin Gauvin, Lisa Osiecki, Kelly G Yang, Erin Curley, Angela Essa, Cornelia Illmann, Paul Sandor, Yves Dion, Gholson J Lyon, Robert A King, Sabrina Darrow, Matthew E Hirschtritt, Cathy L Budman, Marco Grados, David L Pauls, Nancy J Keuthen, Carol A Mathews, Jeremiah M Scharf
Trichotillomania/hair pulling disorder (HPD) and excoriation/skin picking disorder (SPD) are childhood-onset, body-focused repetitive behaviors that are thought to share genetic susceptibility and underlying pathophysiology with obsessive-compulsive disorder (OCD) and Tourette syndrome (TS). We sought to determine the prevalence of DSM-5 HPD and SPD in TS patients, and to identify clinical factors most associated with their co-morbidity with TS. Participants included 811 TS patients recruited from TS specialty clinics for a multi-center genetic study...
November 2, 2017: European Child & Adolescent Psychiatry
Morgan Walls, Caitlin Allen, Howard Cabral, Lewis E Kazis, Megan Bair-Merritt
Objective In 2011, the American Academy of Pediatrics published practice guidelines for ADHD, recommending both medication and behavioral therapy for school-aged children. The current study examines associations between child/family characteristics and ADHD medication, behavioral, and combined therapy. Methods This study used data from the 2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndrome, a nationally-representative follow-up survey to the 2011-2012 National Survey of Children's Health...
October 20, 2017: Academic Pediatrics
Yanjie Qi, Yi Zheng, Zhanjiang Li, Lan Xiong
Tourette's Syndrome (TS) is a complex disorder characterized by repetitive, sudden, and involuntary movements or vocalizations, called tics. Tics usually appear in childhood, and their severity varies over time. In addition to frequent tics, people with TS are at risk for associated problems including attention deficit hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), anxiety, depression, and problems with sleep. TS occurs in most populations and ethnic groups worldwide, and it is more common in males than in females...
October 20, 2017: Brain Sciences
Camilla Groth, Nanette Mol Debes, Liselotte Skov
Tourette syndrome (TS) is a neurodevelopmental disorder characterized by frequent comorbidities and a wide spectrum of phenotype presentations. This study aimed to describe the development of phenotypes in TS and tic-related impairment in a large longitudinal study of 226 children and adolescents followed up after 6 years. The participants were clinically examined to assess tic severity and impairment, obsessive compulsive disorder (OCD), and attention-deficit/hyperactivity disorder (ADHD). The development in phenotypes changed toward less comorbidity with 40% TS-only (no OCD or ADHD) (TS without OCD or ADHD) at baseline and 55% at follow-up...
November 2017: Journal of Child Neurology
Benjamin Zablotsky, Matthew D Bramlett, Susanna N Visser, Melissa L Danielson, Stephen J Blumberg
OBJECTIVE: Many children diagnosed with attention-deficit/hyperactivity disorder (ADHD) experience co-occurring neurodevelopmental and psychiatric disorders, and those who do often exhibit higher levels of impairment than children with ADHD alone. This study provides a latent class analysis (LCA) approach to categorizing children with ADHD into comorbidity groups, evaluating condition expression and treatment patterns in each group. METHODS: Parent-reported data from a large probability-based national sample of children diagnosed with ADHD (2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndrome) were used for an LCA to identify groups of children with similar groupings of neurodevelopmental and psychiatric comorbidities among children with current ADHD (n = 2495)...
September 8, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
Liliana Polyanska, Hugo D Critchley, Charlotte L Rae
Tourette Syndrome (TS) is a neurodevelopmental condition characterized by chronic multiple tics, which are experienced as compulsive and 'unwilled'. Patients with TS can differ markedly in the frequency, severity, and bodily distribution of tics. Moreover, there are high comorbidity rates with attention deficit hyperactivity disorder (ADHD), obsessive compulsive disorder (OCD), anxiety disorders, and depression. This complex clinical profile may account for apparent variability of findings across neuroimaging studies that connect neural function to cognitive and motor behavior in TS...
2017: NeuroImage: Clinical
Jan Roth
Tourette syndrome (TS) is a common neuropsychiatric disorder, more common in males than females, with onset before age 18. TS is characterized by multiple motor tics and one or more vocal/phonic tics, persisting for more than a year. Tics are unvoluntary, abrupt, rapid, repetitive, but non-rhythmic movements or sounds (vocalizations). They are preceded by an inner urge. Tics can be temporarily suppressed, but this leads to a powerful re-emergence. The performance of tics results in immediate but transient relief...
August 10, 2017: Parkinsonism & related Disorders
F Rizzo, A Abaei, E Nespoli, J M Fegert, B Hengerer, V Rasche, T M Boeckers
Attention deficit hyperactivity disorder (ADHD), Tourette syndrome (TS) as well as obsessive compulsive disorder (OCD) are co-occurring neurodevelopmental diseases that share alterations of frontocortical neurometabolites. In this longitudinal study we investigated the behavioral and neurochemical effects of aripiprazole and riluzole treatment in juvenile spontaneously hypertensive rats (SHR), a model for ADHD. For neurochemical analysis we employed in vivo magnetic resonance spectroscopy (MRS). Spectra from voxels located at the central striatum and prefrontal cortex were acquired postnatally from day 35 to 50...
August 1, 2017: Translational Psychiatry
Savita G Bhakta, Jared W Young
BACKGROUND: Neurodevelopmental disorders including Tourette's syndrome (TS) and attention deficit hyperactivity disorder (ADHD) are characterized by significant impairment in attention and cognitive control. These cognitive deficits persist throughout development, contribute significantly to socio-occupational impairment, and are relatively impervious to available treatment. A critical challenge in pro-cognitive drug discovery is translatability of findings across species, underscoring the need for developing valid and reliable cross-species cognitive tasks...
December 1, 2017: Journal of Neuroscience Methods
Roshan Chudal, Susanna Leivonen, Hanna Rintala, Susanna Hinkka-Yli-Salomäki, Andre Sourander
OBJECTIVES: Advancing paternal age has been associated with several neuropsychiatric disorders in children. However, there is limited understanding of this association with obsessive compulsive disorder (OCD) and Tourette syndrome/chronic tic disorder (TS/CT) with inconsistent findings. We examined the association between parental age and offspring OCD and TS/CT. METHODS: This nested case-control study used the Finnish Hospital Discharge Register (FHDR) to identify 1358 individuals with OCD and 1195 with TS/CT, born from 1991 to 2009 and diagnosed by 2010...
December 1, 2017: Journal of Affective Disorders
Ádám Takács, Yuval Shilon, Karolina Janacsek, Andrea Kóbor, Antoine Tremblay, Dezső Németh, Michael T Ullman
Procedural memory, which is rooted in the basal ganglia, plays an important role in the implicit learning of motor and cognitive skills. Few studies have examined procedural learning in either Tourette syndrome (TS) or Attention Deficit Hyperactivity Disorder (ADHD), despite basal ganglia abnormalities in both of these neurodevelopmental disorders. We aimed to assess procedural learning in children with TS (n=13), ADHD (n=22), and comorbid TS-ADHD (n=20), as well as in typically developing children (n=21). Procedural learning was measured with a well-studied implicit probabilistic sequence learning task, the alternating serial reaction time task...
July 12, 2017: Brain and Cognition
Heike Eichele, Tom Eichele, Lynn Marquardt, Steinunn Adolfsdottir, Kenneth Hugdahl, Lin Sørensen, Kerstin J Plessen
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...
2017: Frontiers in Neuroscience
M E Hirschtritt, S M Darrow, C Illmann, L Osiecki, M Grados, P Sandor, Y Dion, R A King, D Pauls, C L Budman, D C Cath, E Greenberg, G J Lyon, D Yu, L M McGrath, W M McMahon, P C Lee, K L Delucchi, J M Scharf, C A Mathews
BACKGROUND: The unique phenotypic and genetic aspects of obsessive-compulsive (OCD) and attention-deficit/hyperactivity disorder (ADHD) among individuals with Tourette syndrome (TS) are not well characterized. Here, we examine symptom patterns and heritability of OCD and ADHD in TS families. METHOD: OCD and ADHD symptom patterns were examined in TS patients and their family members (N = 3494) using exploratory factor analyses (EFA) for OCD and ADHD symptoms separately, followed by latent class analyses (LCA) of the resulting OCD and ADHD factor sum scores jointly; heritability and clinical relevance of the resulting factors and classes were assessed...
June 27, 2017: Psychological Medicine
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