Articles tagged with Schizophrenia
A Columbia University study found that most mass murderers in academic settings lacked severe mental illness, with firearms being the primary method used. The researchers suggest that cultural and social factors, such as gun violence romanticization, are key drivers of these events.
Researchers at the University of Copenhagen have made a breakthrough in understanding schizophrenia by analyzing individual brain cells. The study identified specific neurons and networks affected by the disease, suggesting that targeting these areas could lead to new treatment options.
A systematic review and meta-analysis found that psychotic disorders like schizophrenia are associated with a higher risk of developing dementia. People with psychotic disorders are 2.5 times more likely to develop dementia than those without a psychotic disorder, according to the review.
A Brazilian study reveals that SARS-CoV-2 targets astrocytes in the brain, reducing neuron viability and causing damage. Infection was confirmed using MRI scans of mild COVID-19 patients and experiments on human nerve cells.
A team of researchers identified a protein kinase substrate downstream of the dopamine signaling pathway regulating brain reward behavior. The study found that phosphorylation of potassium voltage-gated channel subfamily Q member 2 (KCNQ2) decreases its channel activity, increasing neuronal excitability and promoting reward behavior.
Research reveals that oligodendrocyte precursor cells (OPCs) contribute to the pruning process, helping shape a healthy brain during early development. OPCs actively engulf synapses, eliminating connections that are no longer needed, and play an intermediary role between external experiences and brain activity.
A new study from Michigan Medicine found that adults with more chronic health conditions are at higher risk of serious financial problems, including late payments, poor credit scores, and bankruptcy. The study analyzed nearly 3 million privately insured adults and found that those with seven or more chronic conditions had three to four...
A new study reveals that the emergence of a new gene called PGBD1 is linked to the evolution of a new structure in nerve cells. PGBD1 controls paraspeckles, tiny structures that act like traps for RNAs and proteins, and its regulation is crucial for nerve cell development.
A study of 137 children with early-onset psychosis found that over 70% had copy number variants, a common cause of neurodevelopmental disorders. The research suggests that chromosomal microarray testing can bring closure to families and improve treatment outcomes.
A new study from the University of East Anglia found that brain regions responding to touch also respond to specific sounds associated with touching objects. This connection may help process sensory information more efficiently and has implications for mental health conditions such as schizophrenia, autism, or anxiety.
Researchers found that 41% of schizophrenia patients met the criteria for frontotemporal dementia, a condition characterized by personality changes and behavioral alterations. The study suggests that targeting specific brain regions and neural structures may lead to improved treatment outcomes for this subgroup.
Scientists have identified two areas of the auditory cortex specialized to recognize human voice sounds without linguistic meaning. These regions help react to sound cues allowing people to identify characteristics of the person speaking, such as gender, age, and height. This discovery sheds light on neurological disorders affecting vo...
A new study has identified neurogliaform cells as key regulators of information flow between brain areas. These cells help separate current perception from past experiences, enabling smooth communication between brain regions.
Researchers found that hearing one's own voice is critical for sense of agency over speech, helping to understand auditory hallucinations and improve VR experiences. The study's findings suggest a close connection between recognizing one's own voice and feeling in control.
A new study by University of Missouri found that Black nursing home residents and those under 65 are significantly more likely to experience repeat hospital transfers. This phenomenon can be attributed to various factors including 'full-code' status regarding end-of-life care, comorbidities, and inadequate staffing. The study suggests ...
A new study led by UCL and King's College London researchers found that adolescents are three times more likely to develop a cannabis addiction than adults. However, they do not appear to be at increased risk of subclinical depression or anxiety. In contrast, adult users who become addicted may experience worsening mental health symptoms.
Researchers at USC Dornsife College of Letters, Arts and Sciences have elucidated the structure of a small protein carrying GABA into neurons using cryogenic electron microscopy. This breakthrough could lead to more effective drugs for conditions such as epilepsy, bipolar disorder, schizophrenia, Parkinson's disease, and autism spectru...
A study published in Cell Reports Medicine has identified an autoantibody that may cause schizophrenia in some individuals. The researchers found that this autoantibody caused schizophrenia-like behaviors and changes in the brain when injected into mice, highlighting a potential new direction for diagnosis and treatment.
A study led by Tel Aviv University researchers reveals a common mechanism underlying genetic mutations associated with autism, schizophrenia, and other neurological disorders. The discovery points to an experimental drug developed by the team as a potential treatment for these conditions.
A Columbia University study found that altered thalamic activity in adolescence can lead to long-lasting cortical abnormalities, which may contribute to cognitive symptoms in schizophrenia. Boosting thalamic function during adolescence could potentially treat these symptoms.
Researchers found a genetic link between long repeated DNA sequences and schizophrenia. The study discovered rare tandem repeat expansions near genes associated with the disorder, contributing to dysfunction at synapses and disrupting gene function.
A new study identifies 152 genetic variants shared across multiple psychiatric disorders, including schizophrenia and bipolar disorder. This finding could lead to the development of therapies addressing multiple disorders with one treatment.
Researchers at City University of Hong Kong discovered a new neural mechanism that enables animals to perceive and integrate environmental cues, such as air puffs and sounds, to initiate defensive behavior. This finding has implications for understanding schizophrenia patients' auditory hallucinations.
Research suggests dopamine is involved in emotion recognition, particularly in low-dose individuals. Dopamine levels influence emotional perception, with lower levels improving emotional recognition while higher levels impairing it. This finding has implications for understanding social cognition impairments in neurological disorders.
A large-scale study identified 287 genomic regions associated with schizophrenia, pinpointing 120 genes that contribute to the disorder. The research suggests abnormal neuron function in these cells may explain the diverse symptoms of schizophrenia.
Research using Adolescent Brain Cognitive Development study data found that urban environments with socioeconomic challenges increase psychotic-like experiences in pre-adolescent children. Early prevention is crucial as these exposures are already present in late childhood.
A systematic review and meta-analysis of 108 studies found that people with severe mental illness, including schizophrenia, have twice the cardiovascular-related mortality rate as the general population. The association has grown stronger over recent decades, with a possible link to changes in antipsychotic use and smoking prevalence.
Scientists have created a searchable atlas of distinct cell populations in the ventral tegmental area, a key brain region involved in reward-directed behavior and substance use disorders. The study identified 16 cell populations, including classic dopaminergic neurons, glutamatergic neurons, and GABAergic neurons.
A machine learning model has been trained to accurately identify individuals with post-traumatic stress disorder (PTSD) by analyzing text data. The model achieved an 80% accuracy rate in distinguishing between those with and without PTSD. This breakthrough could lead to the development of a cost-effective screening tool for health prof...
A large-scale genetic study has identified 287 genomic regions associated with schizophrenia and 120 specific genes linked to the disorder. These findings provide new insights into the biological processes underlying schizophrenia, offering potential avenues for novel therapies.
A landmark genetic study of over 121,000 people has identified 10 protein-disrupting mutations in genes strongly increasing schizophrenia risk by up to 20-fold. A second study in a larger group of 320,400 people brings the total number of genome regions associated with schizophrenia risk to 287, including genes previously identified.
Researchers at Shinshu University have elucidated a new molecular mechanism controlling the survival of cerebral nerve cells. Neurexin regulates cerebellar granule cell survival independently of synapses, playing a crucial role in neurodevelopmental disorders such as autism and schizophrenia.
Research identifies genetic variants associated with reduced grey matter volume in brain regions linked to schizophrenia and autism spectrum disorders. The study suggests a potential new target for treating severe mental illnesses by targeting the IL-6 gene.
A study in rural Ethiopia found that community-based rehabilitation, supported by local health centers and medication, reduced symptoms and improved functioning for individuals with schizophrenia. Community-based rehabilitation workers also helped participants access healthcare services and support their families.
A study of 12 million children found a moderate association between strabismus and anxiety disorder, schizophrenia, bipolar disorder, and depressive disorder. The findings suggest that children with crossed eyes may be at higher risk for developing these mental health conditions.
Researchers observed that chandelier cells, which regulate cortical circuit activity, communicate with other neurons shortly after birth, influencing brain development. This interaction is crucial for normal brain function and may be disrupted in neurological disorders.
A study of nearly 600,000 adults found that those diagnosed with bipolar disorder, schizophrenia, or schizoaffective disorder had a higher risk of cardiovascular disease at younger ages. This highlights the importance of addressing cardiovascular risk factors for these individuals as early as possible.
A team from UNIGE demonstrates that a reduction in gamma wave activation is correlated with the emergence of psychotic symptoms in children and adolescents at genetic risk. This study makes it possible to envisage an early diagnosis and identifies potential therapeutic targets for treating schizophrenia.
A CAMH-led study found that repetitive transcranial magnetic stimulation (rTMS) reduced self-reported cannabis use by up to 60% among people with schizophrenia and CUD. The treatment was associated with reduced cravings and improved quality of life.
A genetic study identified an AKR1A1 variant associated with schizophrenia that leads to exon skipping and loss of enzymatic activity. The c.753G>A and c.264delC variants were found in patients with schizophrenia, suggesting a potential molecular mechanism behind GlucA accumulation.
Researchers at Lancaster University have identified a genetic change that impacts insulin signaling and glucose metabolism in the brain, which may lead to effective drug treatments for autism. The study found that individuals with a specific DNA deletion are more likely to develop neurodevelopmental disorders, including autism.
Researchers have identified a specific location in the hippocampus called the dentate gyrus where schizophrenia may originate. Studying rats with damaged SAP97, they found changes in activity in this region, directly linking alterations to the development of schizophrenia.
A study found that rapid weight gain from antipsychotic medications can contribute to loss of agency, hope, and social withdrawal. Understanding this psychological journey may offer new targets for weight loss treatments.
A new study uses stem cells to predict schizophrenia symptoms, opening the door to personalized medicine. The researchers found that neurons derived from patients' own stem cells predicted psychosis and cognitive deficits with high accuracy.
Researchers found that sleep deprivation can significantly increase serotonin 2A receptors in the brain within hours, which may influence schizophrenia symptoms. This discovery suggests environmental stressors could alter the balance of brain receptors controlled by antipsychotic drugs.
Scientists have discovered recently evolved regions in the 'dark genome' that code for proteins associated with schizophrenia and bipolar disorder. These protein biomarkers could help distinguish between the two conditions and identify patients at risk of psychosis or suicide.
Researchers found that astrocytes regulate cognitive flexibility by releasing D-serine and glutamate, which integrates synaptic plasticity. Heterosynaptic long-term depression is mediated by astrocytes, critical for memory modification.
Researchers grew 'mini-brains' from stem cells of patients with and without schizophrenia, finding reduced gene expression in patient samples that stymied brain cell development. Replacing the missing genes restored normal brain cell production, suggesting a potential target for therapy.
A study reveals that blood biomarkers miR-137 and COX6A2 can distinguish between clinical sub-groups of patients with schizophrenia, offering a new tool for stratifying individuals and tailoring treatment. The discovery also highlights the critical role of oxidative stress in schizophrenia's heterogeneity.
Vanderbilt researchers discover how a protein may treat schizophrenia, including reversing working memory deficits. Enhancing the activity of mGlu1 selectively increases the activity of specific inhibitory interneurons, restoring their ability to inhibit neuronal circuits.
Researchers have found that individuals with extremely treatment-resistant schizophrenia carry a higher burden of rare, damaging genetic variants than those with typical schizophrenia. This study suggests that focusing on patients with severe forms of the illness could improve the detection of disease-associated genetic variants.
A Geisinger study found that adults with rare genetic causes of mental health disorders are more likely to have chronic illnesses like diabetes and dementia. The research also discovered that these individuals had twice as many annual emergency room visits compared to a control group without the genetic conditions.
People with schizophrenia struggle to regulate their emotions as negative feelings intensify, unlike healthy individuals who employ coping strategies at higher emotional states. Researchers found that those with schizophrenia tend to be less likely to engage in emotion regulation efforts when emotions are extremely high.
Researchers at Salk Institute discovered that neurons deep in the brain's cortex process information from borders first, then send clues back to upstream areas. This supports the importance of the 'feedback' pathway for deciphering borders.
A study of 2.5 million people found lower COVID-19 infection rates among those with schizophrenia and mood disorders, but higher death rates. The analysis suggests that underlying mental health conditions may impact COVID-19 outcomes.
A large-scale study of over 3,100 ECT sessions found no cases of permanent impairment, only three life-threatening events that were resolved with medical interventions. The researchers argue that ECT should be used in controlled settings by experienced teams to benefit more patients.
Researchers have identified thousands of novel brain-expressed gene isoforms, revealing a complex web of protein production in the brain. The study suggests that genes expressed in the brain may produce far more proteins than previously thought, with potential implications for diseases such as Alzheimer's and schizophrenia.
Researchers at the University of Leicester created novel body-maps of hallucinations, documenting feelings and sensations in the body during psychosis. These maps revealed recurrent concentrations of feelings like pain, heat, or tension in specific body areas.
The Human Brain Project unveiled its 8th annual Summit with presentations of new scientific insights and technologies. The project has developed a powerful new infrastructure called EBRAINS, which will serve generations of brain scientists.
Researchers found that selecting the embryo with the lowest predicted risk score reduces disease risk more effectively than eliminating high-scoring embryos. However, polygenic embryo screening offers no guarantees about a baby's health and has limited effectiveness depending on factors like ancestry and age.