The study analyzed over 900,000 genomes to identify genetic overlap among psychiatric diseases and personality traits. Schizophrenia was found to correlate with most psychiatric disorders, while anorexia nervosa, obsessive-compulsive disorder, and autism spectrum disorder demonstrated significant overlap.
A new study reveals that half of Parkinson's patients taking dopamine agonist drugs may develop impulse control disorders such as compulsive gambling, shopping, or eating. The five-year cumulative incidence of these disorders is higher in those who have ever taken the medications compared to those who never took them.
A position paper from the American Academy of Sleep Medicine recommends image rehearsal therapy as a useful treatment option for nightmare disorder and PTSD-associated nightmares. Cognitive behavioral therapy, hypnosis, and other interventions may also be effective, while clonazepam and venlafaxine are not recommended.
Research suggests that females with borderline personality disorder experience worsening symptoms during the perimenstrual window of their menstrual cycle. Symptoms such as depression and anxiety increase by at least 30 percent during this time, which is particularly concerning for individuals at high risk of suicide.
Scientists used deep brain stimulation to regulate blood sugar metabolism and increase insulin sensitivity in patients with type 2 diabetes. The treatment showed promising results, reducing insulin requirements and boosting glucose tolerance.
Researchers manipulated brain activity and stress hormone levels to control self-inflicted bite wounds in rats, identifying key brain regions involved in self-injurious behavior. The study provides new insights into the regulation of compulsive self-biting and its relationship with stress and reward processing.
Researchers found that people who generalize from negative events, such as pain or loss, report a greater experience of anxious feelings and intrusive thoughts. The study suggests that analyzing complex behavioral processes can help tailor treatments more effectively for people with anxiety.
A new study at University of Waterloo found that fear of guilt evokes feelings of doubt in decision-making, leading to indecisiveness and repetition in OCD patients. The study's results suggest that addressing this specific factor could improve treatment outcomes for individuals with Obsessive-Compulsive Disorder.
A USC study reveals teenage minorities in Los Angeles are struggling with tanning addiction, associated with marijuana abuse and obsessive-compulsive disorder. The condition is more prevalent among Native Hawaiian and Pacific Islanders, highlighting the need for targeted education and services.
Researchers at KAIST have identified a neural circuit in the hypothalamus governing obsessive behavior towards non-food objects in mice. The MPA-PAG circuit modulates object craving and facilitates hunting behavior, allowing for controlled mammalian behavior with optogenetics.
A study by Case Western Reserve University researchers found a link between impaired brain coordination and attention deficit disorders, such as schizophrenia, bipolar disorder, and major depression. The study revealed that the ErbB4 gene helps coordinate brain regions to maintain attention.
Patients with OCD suffer from a severe reduction in quality of life due to the maladaptive strategies they use. The study suggests that teaching children skills such as coping with bullying and emotional turmoil through cognitive training may help improve their daily lives and prevent mental health disorders.
A study published in the Brazilian Journal of Psychiatry found that nearly one-quarter of 12-year-olds from public schools had a psychiatric disorder, with depression and attention-deficit hyperactivity disorder being the most common diagnoses. Investing in socio-economic inequality prevention and preventing violent events during child...
Researchers observed how the brain learns to repeat patterns of neural activity that elicit a feeling of pleasure in mice, providing new strategies for targeting disorders characterized by abnormal repetitive behaviors. The findings also have implications for treating addiction and obsessive-compulsive disorder.
A diet rich in saturated fat results in inflammation in the nucleus accumbens, a part of the brain that controls mood and reward. This inflammation leads to depressive, anxious, and compulsive behaviors associated with metabolic dysfunction and obesity.
Adolescents with OCD experience widespread learning and memory problems, affecting daily functioning and school performance. Researchers found impaired cognitive flexibility and goal-directed control, highlighting the need for structured environments to support their development.
A new study by IDIBELL and ISGlobal found that mild obsessive-compulsive symptoms in healthy children are associated with specific cerebral anatomical changes. The study suggests that these symptoms may be an early manifestation of a more severe mental disorder, highlighting the importance of prevention strategies.
A new study found that cigarette smoking rates increased among individuals with substance use disorders, including hallucinogens and heroin, while decreasing among those with cannabis use disorders. More than half of individuals with a substance use disorder reported cigarette use in the past month, compared to 18% without a disorder.
A Concordia University study found that people who believe they're going to lose control exhibit checking behavior more frequently. The research suggests treating this fear may reduce symptoms of OCD, panic attacks, and other anxiety-related problems.
Researchers at UTHealth found that individuals with bipolar disorder exhibit accelerated epigenetic aging, which may explain why they are more prone to age-related diseases and have shorter lifespans. The study suggests that lifestyle factors such as diet, exercise, and substance use can contribute to this premature aging.
A comprehensive new report examines three systems used to understand mental health disorders: ICD, DSM, and RDoC. The report finds that these systems have similarities and differences in how they classify and conceptualize mental disorder, highlighting the need for a nuanced approach that considers individual factors.
The NIH has awarded the Center for BrainHealth $2.5 million to examine cannabis use disorders and understand brain mechanisms behind problems related to cannabis use. The study aims to identify individual and cultural effects on severity of cannabis use disorder and inform public health policies.
Researchers found that heart rate variability measured by an electrocardiogram indicated whether subjects had major depression or bipolar disorder. Patients with bipolar disorder had higher blood levels of inflammation biomarkers than those with major depression.
A study by Aarhus University finds that cognitive behavioral therapy is highly effective in treating OCD in children and adolescents. The research, involving 269 participants from Denmark, Norway, and Sweden, showed that 92% of those who benefited from the treatment remained symptom-free a year after completion.
A new study found that prior alcohol exposure enhances cocaine-seeking behavior in rats, promoting degradation of HDAC4 and HDAC5 proteins. This breakdown creates a permissive environment for cocaine-induced gene expression, increasing vulnerability to compulsive use.
A new study by Rice University found that nearly a quarter of Mexican immigrants living near the California-Mexico border without legal authorization have a mental disorder, with major depressive disorder, panic disorder, and generalized anxiety disorder being the most prevalent. The study's findings highlight the need for culturally s...
Researchers at McLean Hospital discovered a unique brain training program that improves cognitive skills in individuals with bipolar disorder. The study found significant improvements in cognitive performance, memory, and visual learning, with sustained benefits six months after treatment.
Researchers develop mathematical model that uncovers link between OCD beliefs and actions. People with OCD develop accurate sense of how things work but disregard it when making decisions, leading to second-guessing themselves.
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.
Serotonin transporters play a crucial role in regulating serotonin levels, which is linked to various neuropsychiatric disorders including depression and autism. Altering the regulation of these transporters may provide new treatment options with milder side effects.
Researchers found OCD is associated with normative IQ that is slightly lower than control samples, suggesting slowness rather than intellectual ability. The myth may decrease motivation for seeking help, as TV programs like Monk perpetuate the misconception of OCD being linked to superior intelligence.
A new meta-analysis of over 6,500 patients found that antidepressants work better than placebos across various mental disorders, with the difference varying by disorder type. The study also highlights the strong placebo effect in depression and its potential for new treatment concepts.
Researchers propose a revised understanding of serotonin's role in the brain, highlighting its potential to treat recalcitrant mental health conditions through psychedelic drugs. The 'two-pronged' model could enable patients to change negative behaviors and thought patterns.
Korean researchers used protein crystallography to study the three-dimensional structure of proteins regulating neuronal cell connections. They identified MDGA1 protein's role in inhibiting inhibitory synapse formation and verified its control mechanism, providing insights into autism and brain diseases.
A study by researchers at Mount Sinai identified a brain mechanism that makes siblings of bipolar patients resilient to the disease. The brain can adapt to its biological risk, opening new avenues for research on enhancing resilience.
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 meta-analysis of nearly 200 studies involving over 230,000 adults found a significant association between sexual assault and increased risk of mental health conditions such as anxiety, depression, and post-traumatic stress disorder. The study suggests that sexual assault survivors are at higher risk of mental health problems regardle...
Research suggests that individuals with a family history of bipolar disorder may experience faster biological aging. The study found that patients treated with lithium had longer telomeres, which could help reverse age-related changes. This association may explain the higher rates of aging-related diseases among bipolar disorder patients.
Researchers found differences in immune system factors between men and women with bipolar disorder, particularly in zinc levels associated with depression severity in women. This study suggests that biological changes in the body could be used to diagnose the disease and tailor treatments differently for men and women.
A recent study by UCSF researchers found that around 22.8% of children with Tourette's met the criteria for autism, compared to 8.7% of adults. The study suggests that the high rate may be due to shared symptoms rather than an overlapping etiology.
A new brain imaging study by CAMH researchers shows that brain inflammation is more than 30% higher in people with OCD compared to those without the condition. The study provides compelling evidence for a new potential direction for treating this anxiety disorder.
Researchers at Binghamton University found that individuals who go to bed late have lower perceived control over obsessive thoughts and compulsive behaviors. Participants in a one-week sleep study completed daily ratings of their ability to control their symptoms, with those who went to bed later showing significant decrements in control.
Researchers at Weizmann Institute of Science establish a clear causal link between prenatal stress and the onset of eating disorders. Female mice exposed to maternal stress during pregnancy develop compulsive eating disorder when challenged with a Western diet, highlighting an epigenetic marker introduced prenatally.
Researchers have developed a noninvasive method for deep brain stimulation using electrodes placed on the scalp, which could make the treatment less risky, less expensive, and more accessible. The approach has shown promising results in treating Parkinson's disease and other conditions, with no harmful effects detected.
Researchers at McGill University found that cues associated with cocaine consumption trigger dopamine release in the dorsal striatum, a structure involved in compulsive behavior, even among non-dependent users. This suggests that recreational users may be further along the road to addiction than they realize.
A study published by the American Psychological Association found that individuals with a larger striatum in their brain may struggle with uncertainty, leading to anxiety disorders. The research suggests a relationship between an individual's ability to cope with uncertainty and the volume of gray matter within the brain.
A study has identified four brain-expressed genes as likely risk factors for Tourette disorder, including WWC1, FN1, CELSR3, and NIPBL. De novo variants in these genes were found to have a significant association with the disorder, suggesting a potential target for effective treatments.
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 global consortium has created the first map of bipolar disorder's impact on the brain, revealing clear differences in brain regions controlling inhibition and emotion. The study found significant thinning of gray matter in patients with bipolar disorder, particularly in areas responsible for emotional regulation.
Dr. Carolyn Rodriguez, a neuroscientist and clinical psychiatrist, received the award for her discovery of ketamine's rapid therapeutic effects on OCD symptoms, while Dr. Todd Gould was recognized for his work on ketamine's antidepressant effects in treating depression. The prestigious awards come with a $5,000 cash prize.
Mutations in progranulin protein result in obsessive-like behaviors and immune system alterations, implicating TNF as a potential therapeutic target for FTD. Targeting NF-B activity in microglia may also prevent excessive grooming and improve social behavior.
Scientists at the Salk Institute have developed a new method to predict which individuals with bipolar disorder will respond to lithium therapy. Using a system trained on electrical firing patterns of neurons from six patients, the method achieved 92% accuracy in classifying responders and nonresponders.
University of Utah engineers develop 'computational cannula microscopy' to capture high-resolution images of animal brains using surgical needles and laser light. This non-invasive method shows promise for studying neurological disorders and could lead to a simpler, less expensive alternative to endoscopes for human patients.
The absence of protein SPRED2 alone can trigger excessive grooming behavior in mouse models. The study identifies the Ras/ERK-MAP kinase cascade as a key signaling pathway involved in obsessive-compulsive disorder (OCD). Administering an inhibitor to this pathway improves OCD symptoms, suggesting new potential treatments.
Researchers at Salk Institute find that changing dopamine levels can alter upcoming choices, suggesting new avenues for treating Parkinson's and OCD. The study uses advanced techniques to measure dopamine concentration in mice brains, revealing a tight association between brain chemistry and decision-making.
Patients with OCD have difficulty learning which stimulus is safe and vice versa due to impaired brain activity, specifically in the ventromedial prefrontal cortex. This cognitive inflexibility affects how they perceive threats under updated circumstances, making current exposure therapies less effective.
A Northwestern University study found that eliminating certain receptor genes in mice leads to obsessive-compulsive disorder (OCD)-like behaviors, such as excessive grooming. The research provides strong evidence for the biological basis of OCD and may lead to new treatments for the disorder.
Research validates PLCgamma1 as a promising candidate gene for bipolar disorder, linking it to manic-like behavior and synaptic imbalance. The study reveals that loss of PLCgamma1 from forebrain leads to behavioral abnormalities and manic episodes.
A new study reveals that successful treatment of social anxiety disorder alters key brain structures involved in processing and regulating emotions. Cognitive behavioral therapy, a central therapy for social anxiety disorder, has been shown to restore balance between cortical and subcortical brain areas.
TSRI scientists found that deep brain stimulation (DBS) reduces the compulsion to use heroin in rat models of addiction. DBS-treated rats kept their heroin intake stable at a low level, even after abstinence periods, whereas control rats escalated their intake.