Articles tagged with Tourette Syndrome
A study of over 1 million diagnosed individuals reveals genetic links between 14 psychiatric conditions, grouping them into five major factors. The findings may facilitate future treatments and drug repurposing, with potential applications in schizophrenia and substance abuse
A new mouse study sheds light on the mechanisms underlying sex differences in psychiatric conditions. Histamine signaling affects dopamine levels differently in males and females, with histamine decreasing dopamine in males and increasing it in females.
Researchers found people with Tourette syndrome have 50% fewer interneurons, which calm excess movement signals, and stress responses in other brain cells. This deficit may contribute to the disorder's symptoms.
Researchers analyzed brain tissue from individuals with severe Tourette syndrome and identified three key changes: altered gene activity, regulatory element modifications, and interneuron loss. These findings provide unprecedented insights into the disorder's biology and may explain why individuals experience involuntary movements and ...
A research team from the University of Minnesota Medical School received a $1.2 million grant to study the use of TMS in addition to CBIT as a treatment for children with Tourette syndrome. The trial found that this new treatment improved brain circuits involved in tics, and the researchers hope it could lead to a future treatment option.
A study published in Neurology found that female individuals with Tourette syndrome are less likely to be diagnosed, take longer to receive a diagnosis, and are diagnosed at an older age than males. The study also showed that symptoms started earlier in females with persistent motor or vocal tic disorder.
Behavioral therapies are proven to be the most effective treatment for Tourette syndrome, teaching patients how to manage tics using behavioral strategies. The therapies train patients to recognize early signs of an upcoming tic and implement strategies to reduce tic severity.
A team of researchers used deep brain stimulation to localize disrupted neural pathways in patients with Parkinson's disease, dystonia, OCD, and Tourette's syndrome. The study identified specific brain circuits associated with each disorder, revealing overlapping malfunctions that suggest a complex network of brain dysfunctions.
A study by researchers at the University of California - Riverside found that certain aspects of video game play can stimulate dopamine release and potentially aid in treating Parkinson's disease symptoms. The research suggests a promising new approach for managing the condition.
A study published in Nature Medicine found that higher levels of microbiota engraftment correlate with better clinical responses to FMT. The research used genomic sequencing and AI to analyze over 1,300 gut samples from donors and patients with various diseases.
A new study suggests that ecopipam, an experimental drug, may improve tic severity in children and teens with Tourette syndrome. After three months, the group taking ecopipam had fewer and less severe tics, with a 30% decrease in motor and vocal tic severity scores.
Researchers have replicated and expanded on previous work to show that tics associated with Tourette syndrome have a fractal pattern, which can predict disease severity. This discovery could lead to a diagnostic tool for doctors to analyze tic patterns and diagnose patients with Tourette's
A team of researchers from Charité – Universitätsmedizin Berlin has identified a neural network that generates tics, which could lead to improved treatment of people with Tourette syndrome. The study found that targeting this network via deep brain stimulation can alleviate symptoms in patients.
Researchers propose PANDAS, a type of pediatric autoimmune neuropsychiatric disorder, as a possible cause of sudden childhood OCD cases. The study identifies antibodies binding to interneurons in the brain as a key factor contributing to the disorder.
Researchers at the University of Nottingham have developed a new treatment for Tourette Syndrome, using repetitive nerve stimulation to reduce tic frequency and intensity. The study shows promising results, with participants experiencing significantly reduced tics and urge-to-tic symptoms.
Researchers often overlook comorbidities in Tourette syndrome, but it is an intersection of multiple medical conditions. A multidisciplinary approach is necessary for effective treatment and patient evaluation.
Researchers at Osaka University developed an oral device that effectively reduces motor and vocal tics in Tourette syndrome patients. The study found that the oral splint improved tic symptoms for both children and adults, with long-lasting effects.
A Yale study has trained adolescents with Tourette Syndrome to control their tics through real-time fMRI, achieving significant symptom reductions. The technique, called rt-fMRI-NF, involves monitoring brain activity in real time and adjusting it towards healthier patterns.
A study of 171 patients with uncontrolled Tourette syndrome found that deep brain stimulation resulted in a 45% improvement in tic severity one year after treatment. However, the procedure was associated with adverse events such as dysarthria and paresthesias in 35.4% of patients.
Researchers at Rutgers University created brain cells from blood samples of individuals in a three-generation family with Tourette syndrome. The study found that a mutation in the PNKD gene is likely the cause of the disorder, which affects one in every 100-150 people in the US.
A research team has identified two genes, NRXN1 and CNTN6, that are significantly modified in people with Tourette syndrome. These genes encode proteins involved in cell fusion in the nervous system and are linked to an increased risk of developing the condition.
A large international team of researchers has identified genetic abnormalities that are the first definitive risk genes for Tourette Syndrome. The study, which analyzed a sample of 2,400 patients and 4,000 controls, found that variations in copy number at specific genes were associated with an increased risk of developing the disorder.
The study found deletions in NRXN1 and duplications in CNTN6 genes linked to an increased risk of Tourette syndrome. These genetic variants affect brain development and may contribute to the disease's progression.
A research team has identified rare mutations in two genes, NRXN1 and CNTN6, that increase the risk of Tourette syndrome. The study found an overall increase in large, rare copy-number variants in TS patients, with each variant primarily occurring in just one individual.
Researchers have identified four damaged genes associated with Tourette syndrome, a neurological disorder characterized by vocal and physical tics. These findings suggest that multiple gene mutations contribute to the development of the disorder, offering new hope for personalized treatments.
A surgical technique has been shown to decrease the severity of tics in young adults with severe Tourette syndrome by an average of 50%. The study, published in Journal of Neurosurgery, adds evidence supporting deep brain stimulation as a safe and effective treatment for severe cases.
A new computational model simulates the role of the brain in Tourette syndrome, suggesting that motor tics arise from interactions between multiple brain areas. The model predicts how dysfunctions in neural circuits can lead to an increased number of tics, which could aid in identifying new treatment targets.
A new study explores how adolescents perceive people with Tourette's Syndrome (TS), finding that media portrayals can perpetuate negative stereotypes and stigma. The researchers suggest using media as an educational tool to improve understanding and acceptance of the condition.
Researchers have identified changes primarily in brain regions connected to sensation and sensory processing in children with Tourette's syndrome. The findings suggest that the condition may be related to unusual sensations, leading to involuntary movements and vocalizations.
GABA's role in dampening hyperactivity has led researchers to believe that increased production during adolescence improves symptoms for the majority of people with TS. This finding could offer a new approach to treatments targeting GABA levels in brain areas controlling motor function.
A study by researchers at the University of Montreal found that cognitive behavioral therapy can alter brain function in people with Tourette syndrome, reducing tics and improving brain activity. The therapy helped normalize brain activity in areas affected by the disorder.
A Swedish study estimates the heritability of tic disorders at approximately 77%, suggesting a strong familial component. The study also reveals that risks are higher for full siblings, parents, and children of individuals with Tourette syndrome or chronic tic disorder.
A new study found that nearly 86% of Tourette syndrome patients will receive a second psychiatric diagnosis, with 58% receiving two or more. Mood and anxiety disorders are common among TS patients, emerging as early as age 5, and are related to OCD and ADHD diagnoses.
A study by University of Nottingham researchers found that higher levels of GABA in the supplementary motor area (SMA) help dampen down hyperactivity, allowing stronger signals to produce movement. This could lead to targeted approaches controlling tics using transcranial direct-current stimulation (tdcs).
A study published in Current Biology found that individuals with Tourette syndrome have elevated concentrations of GABA in a specific brain region, which may lead to improved motor control. This increase in GABA levels could provide new targets for non-drug therapies, such as brain stimulation, to help manage symptoms.
A team of scientists at Cold Spring Harbor Laboratory developed a new algorithm to analyze genome sequences and pinpoint insertion and deletion mutations involved in diseases. They successfully identified indels associated with autism and obsessive-compulsive disorder, shedding light on the genetic causes of these disorders.
Scientists at the University of Nottingham have discovered a mechanism controlling tics in children with Tourette Syndrome. The study found that brain changes can alter excitability ahead of voluntary movements, suggesting a potential therapy to help young people overcome tics.
Two GWAS studies have identified possible associations with genes related to obsessive-compulsive disorder (OCD) and Tourette syndrome. The studies found potential links to BTBD3, DLGAP1, COL27A1, and other SNPs, but further research is needed to confirm these findings.
A new study found that cognitive-behavioral therapy can reduce tics and brain activity in patients with Tourette syndrome, potentially leading to improved treatment options. The therapy was shown to have a measurable impact on brain activity linked to symptom improvement.
Researchers discovered a unique brain development pattern in children with Tourette syndrome, which could lead to new treatment methods through behavioural therapy. The study suggests an alternative to drug-based therapies, offering hope for young people struggling with the condition.
A new study finds that self-hypnosis taught with videotape training significantly reduced tic control in children and adolescents with Tourette Syndrome. After just a few sessions, almost all participants experienced a dramatic increase in tic control.
A multisite study found comprehensive behavioral intervention for tics (CBIT) significantly reduced chronic tics and tic-related problems in children. CBIT was compared to supportive counseling and education, showing similar improvement rates as anti-tic medication studies without side effects.
Researchers identified a rare mutation in a gene required for histamine production, which could lead to the development of new treatments for tics and Tourette syndrome. The study found that increasing brain histamine reverses repetitive behaviors similar to human tics.
A study of 15 patients with severe Tourette syndrome found that deep brain stimulation reduced tic frequency by 52% on average and improved OCD symptoms. The treatment showed no significant effect on thinking abilities.
A large study of over 4,500 participants found no association between streptococcal infection and Tourette syndrome or obsessive-compulsive disorder. Researchers also ruled out exposure to strep infections as a trigger for these conditions.
Researchers at Columbia University's Mailman School of Public Health have found a link between antibodies to strep throat bacteria and the development of obsessive-compulsive disorder in mice. The study suggests that an inappropriate immune response to the bacteria may trigger psychiatric symptoms, providing new insights into identifyi...
Researchers used magnetization transfer imaging to visualize alterations in cerebral architecture of Tourette's patients and found correlations with symptom severity. They identified changes in the frontal lobe that may be responsible for the syndrome's pathology.
Research published in the Journal of Developmental and Behavioural Pediatrics found that nearly 90% of Tourette syndrome cases exist in conjunction with another disorder, most frequently ADHD. Perinatal factors such as low birth weight, prematurity, and maternal smoking increase the risk of co-occurring ADHD in children with Tourette.
A new study from University Hospitals Case Medical Center found that Deep Brain Stimulation (DBS) can reduce tic frequency and severity in some adults with refractory Tourette Syndrome, improving quality of life. The treatment was safe and showed promising results in a double-blind clinical trial.
A study found that children with Tourette's syndrome are quicker at processing certain mental grammar skills, including rule-governed language tasks. They showed superior performance compared to typically developing children in producing grammatically correct past tense forms.
Rotating treatment through different types of medications can help avoid worsening symptoms in patients with restless leg syndrome, say experts. The team recommends switching treatments when symptoms appear or before augmentation occurs.
Researchers found that individuals with Tourette's syndrome make fewer error responses than neurologically normal peers, while responding just as fast to task demands, suggesting a compensatory change in cognitive control. This study challenges the widely held view that TS results from a failure of cognitive control mechanisms.
Researchers at Yale have identified a genetic link to Tourette's Syndrome in a rare DNA sequence mutation. The study found an abnormal DNA sequence in one family and identical, very rare changes in two unrelated individuals, suggesting the gene plays a role in regulating gene expression through microRNAs.
Researchers have identified a potential genetic link to Tourette syndrome, discovering a mutation in the SLITRK1 gene that is associated with the growth and interconnection of neurons. The study suggests that multiple genes, including SLITRK1, contribute to the development of TS.
Researchers have made significant strides in understanding the brain circuits responsible for tics in Tourette's syndrome. Studies suggest an imbalance in the basal ganglia's inhibitory function may lead to the disorder's characteristic symptoms. Increased activity in certain regions, such as the ventral striatum, and altered neuronal ...
Researchers found that Tourette syndrome patients' brain activity during memory tasks normalized after receiving levodopa treatment. The study used functional magnetic resonance imaging and showed increased activity in certain brain regions, which decreased after treatment.
A new study published in Neurology has demonstrated that the combination of clonidine and methylphenidate (Ritalin) is an effective treatment for children with ADHD and chronic tic disorders, with minimal side effects. The treatment was found to improve 'on task' behavior and attentiveness, while reducing symptoms of crying, frustratio...
A study of 1,596 children in Rochester, NY, found that 8% had Tourette's and 27% had some tic disorder, with mild symptoms being more prevalent. Research suggests that tics can be an indicator of a subtle brain developmental disorder.
Researchers found that 27% of special education students had tics, compared to 20% of regular students. Early recognition and treatment can improve performance and social development for affected children.
A low-dose nicotine patch was found to be effective in controlling the severity and frequency of motor tics in children with Tourette's syndrome. The study showed that patients with active nicotine patches did better than those with control patches, even when receiving reduced doses of haloperidol.