Articles tagged with Schizophrenia
Scientists at St. Jude Children's Research Hospital found a link between the chromosomal disorder 22q11.2 deletion syndrome and schizophrenia, with malformations in the cerebellum causing Tbx1 gene loss leading to improper skull formation.
Research from King's College London finds that frequent cannabis use increases psychosis risk, regardless of genetic load for schizophrenia. The study used polygenic risk scores to investigate the relationship between cannabis use and psychosis.
A UT Health San Antonio study found that brain volume changes correlate with social behavior differences in psychiatric conditions such as autism spectrum disorder and schizophrenia. Tbx1 deficiency was associated with decreased brain volume in the amygdala and surrounding cortical regions, affecting desire for social interaction.
A new study by the University of Waterloo found that nearly 68% of Canadian patients who used antipsychotics had more behavioral issues than before medication. Non-drug therapies like music and social interaction have been shown to help manage behavior without antipsychotics.
Researchers identified iTBS over the left dorsolateral prefrontal cortex as the most effective method for treating adults with schizophrenia, improving negative and cognitive symptoms. The treatment approach was well-accepted and well-tolerated by participants.
Research by Prof. Falkai suggests promising new directions in schizophrenia treatment through brain plasticity and myelin regeneration. His work challenges traditional views of the disorder and opens new therapeutic possibilities, particularly when combining aerobic exercise with a repurposed drug.
Researchers at the University of Rochester Medical Center have discovered a potential biomarker for psychosis diagnosis by analyzing brain connectivity patterns. The 'somato-visual' biomarker shows promise in predicting psychosis onset and stratifying patients into clinically meaningful subgroups.
A new study found that cannabis use worsens reduced brain connectivity in individuals at high risk of psychosis. This deficit is associated with symptoms like social withdrawal and lack of motivation, which are difficult to treat with current medications.
A study by Florida Atlantic University found that virtual reality training increased empathy and sympathy towards individuals with mental health conditions in police officers. The training, which simulated realistic scenarios, allowed officers to practice handling complex civilian interactions with greater emotional connection.
A new study found that fampridine can improve working memory in individuals with reduced cognitive function, particularly those with low baseline working memory levels. The drug increased brain excitability and enabled faster processing of stimuli.
A new study found that individuals with hallucinogen-related emergency department visits are at a high risk of developing schizophrenia. The study analyzed health data for over 9.2 million individuals in Ontario, Canada, and found a 21-fold increased risk of schizophrenia compared to the general population.
Researchers at Tufts University and Vanderbilt University developed a biomarker to detect inflexible thinking in schizophrenia. The study found that people with schizophrenia generate unique neural patterns when making decisions based on conflicting information.
Researchers discovered brain cells that map an animal's position in behavioural coordinates, helping understand how the brain generates complex behaviors. The findings may be useful in understanding psychiatric conditions such as schizophrenia.
Researchers developed a method to visualize AMPA receptors using PET scans, revealing differences in density and distribution between healthy subjects and those with psychiatric disorders. This discovery may lead to new diagnostic and therapeutic approaches for conditions like schizophrenia, bipolar disorder, and autism spectrum disorder.
A study published in JAMA Psychiatry found a significant association between genetic predisposition and sexual trauma with increased risk for schizophrenia, bipolar disorder, and major depression. The research highlights the importance of considering social and environmental factors in human genetics studies.
Research identifies three clinical subtypes of schizophrenia, differing between subjective and objective social cognitive difficulties, providing a guide for targeted interventions. The study aims to improve individualized treatment approaches for patients with schizophrenia.
Researchers at UCLA Health found an association between childhood attention problems and increased psychosis risk, with genetic variants acting as a middleman. The study used data from over 10,000 children to explore the relationship between attention span variability and psychotic-like symptoms.
A team of scientists, led by Anne Bang, is working to establish clearer connections between genes and their effects on brain function and mental health. They will use high-throughput screening technology to study over 100 genes in brain cells.
Researchers found that people with schizophrenia who experience auditory hallucinations have impaired brain processes, including a 'broken' corollary discharge and 'noisy' efference copy. This impairment may contribute to the loss of ability to distinguish reality from fantasy.
The latest APA journal issues explore schizophrenia spectrum disorders, PTSD treatment, and college mental health. Research highlights include new approaches to psychosis treatment and findings on mental health in higher education.
A recent study reveals significant sex differences in genetic vulnerability to psychotic disorders, including schizophrenia, bipolar disorder, and major depression. The findings suggest that genetic factors contribute to the risk of developing these disorders differently between men and women.
New research identifies critical gaps in mental health care for adults with schizophrenia spectrum disorders. Adults with schizophrenia spectrum disorders experience high rates of comorbid conditions, such as major depressive episode and post-traumatic stress disorder. The study found that only 26% received minimally adequate treatment.
A comprehensive review highlights key findings on the complex relationship between genes and environment in schizophrenia risk, including polygenic risk scores and gene-environment interactions. The study emphasizes the importance of large cohorts and emerging tools to capture the full complexity of schizophrenia risk.
A comprehensive review of genetic and population studies challenges conventional wisdom about the relationship between genetic risk and cognitive deficits in schizophrenia. Premorbid cognitive impairment is largely explained by non-familial factors rather than inherited genetic variants.
A new study mapped genes linked to schizophrenia and uncovered a mechanism disrupting synaptic plasticity in affected individuals. The researchers identified three proteins mediating impairments of plasticity, holding promise for new treatments.
Researchers have found a new brain mechanism that detects prediction errors between expected and actual sensory inputs, boosting responses to unexpected information. This discovery could offer insights into the neural circuits underlying autism spectrum disorders (ASDs) and schizophrenia spectrum disorders (SSDs).
Researchers have discovered a link between cognitive impairments and brain network organization in individuals at risk of developing psychotic disorders such as schizophrenia. This finding suggests an opportunity for early diagnosis and intervention, potentially through non-invasive neuromodulation.
A study published in Neuron reveals that neurons are wired to connect seemingly unrelated concepts, enhancing the brain's ability to predict what we see based on past experiences. Visual experience influences the organisation of feedback projections, which store information about the world.
Researchers have identified nearly 300 common and over 20 rare genetic variants as significant risk factors for schizophrenia. The study emphasizes the role of multiple genes rather than single-gene causation, revealing complexity in the mechanisms underlying the disorder.
A new study analyzed clozapine prescription patterns in patients with first-episode psychosis, finding that approximately 20-30% do not respond to conventional treatments. The use of clozapine can significantly reduce psychotic symptoms and improve quality of life for these patients.
Researchers found individuals with schizophrenia struggle to discriminate between reward levels, leading to apathy and motivation deficits. The study suggests potential treatments, including brain stimulation and targeted psychotherapy.
A novel peptide, KS-133, has been developed to target genetic mechanisms associated with schizophrenia. The nanoparticle-based drug delivery system, where KS-133 is encapsulated with a brain-targeting peptide, shows effective distribution in the brains of mice and improves cognitive functions in mice with induced schizophrenia.
A new study has identified two proteins that play a vital role in modulating cell responses in schizophrenia. The researchers found that these proteins can be targeted to develop drugs that address specific symptoms of the disease, potentially leading to more effective and personalized treatments.
Researchers from the University of South Australia have developed a new coating that targets the gut microbiome to improve antipsychotic medication absorption, mitigating unwanted weight gain. The reformulated Lurasidone reduces weight gain by 8-fold and boosts serotonin levels by over 250%.
This study analyzed resting state fMRI data to investigate salience network disruptions in schizophrenia. The analysis revealed weaker dorsal salience network connectivity and increased ventral salience network connectivity in patients.
Two studies published in Science reveal significant advances in understanding the molecular biology of neuropsychiatric disease, including a comprehensive map of regulatory components of the brain. The research provides critical insights into the pathogenesis of mental health disorders and holds promise for therapeutic applications.
A new study has uncovered unprecedented insights into the cellular basis of schizophrenia, linking genetic risk factors to specific neuronal populations. The research found that excitatory neurons were the most affected cell group, with transcriptional changes implicating neurodevelopment and synaptic signaling.
Researchers at King's College London found that thousands of DNA sequences from ancient viral infections contribute to psychiatric disorder susceptibility. Five specific Human Endogenous Retroviruses (HERVs) were associated with increased risk for schizophrenia, bipolar disorder, and depression.
Researchers at IIT have identified a brain network that enables the recognition of others' emotions, which could lead to more effective treatments for neurodevelopmental conditions. The discovery provides insight into how the brain processes social functions and may help develop targeted therapies.
A UT Arlington student has made a groundbreaking connection between worm behavior and brain disease in humans. Through her research, she found that worms with mutations in neurodegeneration genes exhibit abnormal reactivity to stimuli, similar to those affected by schizophrenia and other neurological disorders.
A recent study published in JAMA Network Open found that understaffed nursing homes in disadvantaged neighborhoods are more likely to overmedicate residents with antipsychotics. The researchers suggest that increasing staffing levels could help reduce the use of these medications and address the root causes of behavioral issues.
Research reveals 66-75% of people experiencing homelessness have underlying mental health conditions, with males affected more severely. The study emphasizes the need for integrated interventions and gender-specific approaches to address homelessness and related health disparities.
A randomized controlled trial found that co-administration of probiotic and vitamin D supplements improved MoCA scores and increased the percentage of patients with normal cognition in individuals with schizophrenia. The study suggests that probiotics may be a novel way to treat mental disorders by regulating gut microbiota.
A large naturalistic study found ECT to be effective in reducing illness severity for depression, bipolar depression, schizophrenia, and mania. Common side effects included confusion and cognitive impairment, but rare complications such as prolonged seizures and cardiovascular issues were also reported.
A large-scale animal study reveals that brain pH and lactate levels are a common feature across various neuropsychiatric conditions, including schizophrenia, bipolar disorder, autism, depression, epilepsy, and Alzheimer's disease. Changes in brain energy metabolism are linked to cognitive impairment, particularly working memory.
A new Dartmouth study reports on a unique case of prosopometamorphopsia (PMO), a rare condition that distorts facial features. The researchers used computer software to visualize the patient's real-time perception of face distortions, providing accurate and photorealistic visualizations for the first time.
Researchers have identified genetic variants linked to cognitive control and social problems in schizophrenia, potentially paving the way for more effective treatments. The study found that these variants are not targeted by current medications, which often focus on dopamine pathways.
A new study by researchers at the University of Minnesota reveals that non-invasive brain stimulation can change a specific brain mechanism related to human behavior. The technique, called transcranial alternating current stimulation, modulates brain activity by shifting when brain cells are active.
Researchers found similar gene activity changes in brain tissue from people with schizophrenia and older adults, suggesting a shared biological basis for cognitive decline. The study identified the Synaptic Neuron and Astrocyte Program (SNAP), which is tightly coordinated between neurons and astrocytes.
A new study suggests that personal recovery, defined as living a full meaningful life despite illness limitations, can prevent serious mental health problems. Key elements of recovery include understanding mental health challenges, finding purpose and meaning, and receiving support.
Dr. Ryyna Ethell's lab at UC Riverside has been awarded a $2.4 million NIH grant to investigate the role of astrocytes in inhibitory synapse development and their connection to neurodevelopmental disorders like ADHD and autism.
A new study found that the link between paternal age and rare congenital disorders is more complex than previously thought. Researchers discovered that while older fathers are more likely to have children with certain bone and heart malformations, some genetic mutations associated with these conditions do not increase with paternal age.
Scientists have discovered that the bat brainstem processes echolocation and communication calls differently, with a stronger response to less frequent calls due to better neural synchronization. The findings may also be relevant to medical applications in humans, such as understanding diseases like ADHD or schizophrenia.
A new blood test developed by Indiana University School of Medicine has identified biomarkers that can objectively measure schizophrenia severity and predict future risk. The test enables personalized treatment matching, reducing uncertainty and improving patient outcomes.
Researchers found that bullied adolescents have lower levels of glutamate in the brain's anterior cingulate cortex region, which regulates emotions and decision-making. This imbalance is linked to higher levels of subclinical psychotic experiences in early adolescence.
A UCLA-led evaluation found that 81% of homeless residents in the pilot program were no longer unsheltered after one year. The initiative improved housing placement rates and reduced time spent in locked psychiatric settings.
A Rutgers University study found that long-acting antipsychotic injections reduced 30-day rehospitalization rates for patients with schizophrenia or schizoaffective disorder by 75% compared to oral medication. This shift can have significant financial and medical benefits for both patients and hospitals.
A new study published in Heart Rhythm found that over 10% of patients taking quetiapine or haloperidol developed heart rhythm disorders. The study highlights the need for vigilant monitoring of patients using these medications to minimize the risk of cardiac complications.
AI models predict patient outcomes with high accuracy within their training data, but their performance deteriorates when used outside the original trial or in different clinical settings. Researchers aim to improve accuracy by examining large patient groups and exploring new data modalities.
A new study by Southern Methodist University's Neely Myers found that young people with early-onset psychosis are ambivalent about stopping substance use. Participants offered feedback on ways to improve care, including more information about substance use and strategies for addressing psychological and physical pain.