Articles tagged with Schizophrenia
A case study by North Carolina State University researchers reveals that an adolescent diagnosed with rapid onset schizophrenia was actually infected with Bartonella henselae, leading to full recovery after treatment. The discovery suggests a potential link between bacterial infections and mental disorders.
Researchers at Cardiff University found that genetic neutropenia is a benign condition in people of African descent that can lead to lower neutrophil levels. This allows more individuals with treatment-resistant schizophrenia to receive the medication clozapine without risk of rare side effects.
Researchers found that nearly one-third of persons with schizophrenia had 'normal' wisdom scores, which correlated with fewer psychotic symptoms, improved cognitive performance, and enhanced everyday functioning. Assessing and enhancing wisdom may help improve the quality of life for individuals with schizophrenia.
A study published in Nature Neuroscience found that individuals with schizophrenia exhibit excessive synaptic pruning, a process normally occurring during adolescence. This abnormality contributes to the development of schizophrenia symptoms.
Schizophrenia's negative symptoms, including loss of motivation and social communication, are linked to a breakdown in brain network connectivity between the prefrontal cortex and cerebellum. Non-invasive brain stimulation restored this network's function, improving symptoms in patients with schizophrenia.
A genome-wide study found that copy number variants (CNVs) are more closely associated with a 'schizophrenia-like' bipolar disorder subtype than the broader form of bipolar disorder. This suggests a distinct mechanism underlying the biology of schizoaffective disorder, which shares symptoms with schizophrenia.
Research implicates genetic variants affecting NMDAR functioning as a risk factor for schizophrenia. Variants in four genes, including GRIN1 and GRIN2B, were found to be more common in people with schizophrenia.
Researchers from the University of Warwick have discovered a genetic mutation associated with higher risk for schizophrenia, which disrupts brain development and increases mental illness risk. A new pathway of genetic risk was found, providing possibilities for prevention and theoretical study before clinical symptoms emerge.
Researchers from UPV/EHU propose improvements to study cognitive function enhancers for patients with schizophrenia. The analysis of nine clinical trials reveals limitations and proposes methodological enhancements to guarantee effectiveness, safety, and tolerance.
A study by Orygen researchers found that B-vitamin supplements improved concentration skills among participants with first episode psychosis. The results suggest that individuals with elevated homocysteine levels may benefit most from these supplements.
Researchers found a significant association between schizophrenia and increased antibody levels against the Epstein-Barr virus. The study suggests that individuals with schizophrenia may be more susceptible to EBV infection due to an abnormal immune response.
Researchers found that individuals with schizophrenia have reduced bodily sensation across all emotions and don't differentiate between emotions on their body maps. This affects their ability to identify, recognize, and verbalize emotions or understand others.
Aerobic exercise shows promise in improving cognitive function and reducing weight gain in schizophrenia patients. Researchers are enrolling over 200 participants to test the effects of aerobic exercise versus a control group.
A study using a PET scan tracer has identified epigenetic differences between the brains of individuals with schizophrenia and those of unaffected participants. Reduced histone deacetylase (HDAC) levels were observed in the dorsolateral prefrontal cortex, which is important for executive functions affected by schizophrenia.
Researchers have created a sophisticated genomic model that links DNA variations and gene activity to the risk of brain disorders. The model identifies 321 genes associated with schizophrenia, revealing its primary role as a disorder of neurons rather than other brain cells.
Recent PsychENCODE research provides a better understanding of brain development and neuropsychiatric risks, with critical expression differences in genes identified during early brain development and adolescence. The findings highlight the importance of studying specific cell types and time points in brain development to model disease...
Researchers from Aarhus University and the University of Queensland found that newborns with vitamin D deficiency had a 44% increased risk of being diagnosed with schizophrenia as adults. The study suggests that ensuring pregnant women have adequate levels of vitamin D may result in the prevention of some schizophrenia cases.
Researchers found that targeted cognitive training improved verbal learning and auditory perception scores in patients with severe schizophrenia. The treatment, which used computerized brain games to target specific neural pathways, was effective regardless of age, clinical symptoms, or medication duration.
A study by researchers at the University of Queensland found that newborns with vitamin D deficiency had a 44% increased risk of being diagnosed with schizophrenia as adults. Ensuring pregnant women have adequate levels of vitamin D may result in the prevention of some schizophrenia cases.
Researchers are investigating the impact of prebiotics on immune system function in people with schizophrenia, focusing on the production of short chain fatty acids, particularly butyrate. The study aims to improve understanding of the brain-gut connection and potential treatments for cognitive impairments.
Researchers have developed two new mouse models to study schizophrenia and found that restoring ErbB4 receptors alleviates symptoms regardless of brain development. The study suggests a therapeutic approach focused on improving brain cell signaling associated with the ErbB4 receptor.
A recent study published in JAMA Psychiatry proposes a new classification system for the negative symptoms of schizophrenia, moving away from the oversimplified two-category approach. This shift aims to improve treatment outcomes by providing more precise measures of symptom severity and guiding the development of targeted therapies.
Neuroscientists have identified a brain activity pattern that could predict the onset of schizophrenia. The study found abnormal connections in patients who later developed psychosis, which may help diagnose the disease earlier. Researchers are now exploring early interventions to combat symptoms and prevent psychiatric disorders.
Researchers identified a link between MIR-137 and complex brain disorders like autism spectrum disorder (ASD) and schizophrenia. Mice lacking MIR-137 displayed learning and memory deficits, repetitive behaviors, and impaired sociability, suggesting potential treatment targets.
Researchers at The Feinstein Institute for Medical Research used genetic tests to predict patient response to antipsychotic medication in schizophrenia patients. They found higher polygenic risk scores were associated with reduced effectiveness of conventional treatment.
Researchers found that females without schizophrenia used more complex brain regions to identify others' mental states, while men used less complex regions. Both groups with schizophrenia showed reduced complexity in brain processing, suggesting a potential link between olfaction and emotional processing.
Young adults exposed to cannabis during adolescence show altered brain structure and gene expression related to psychosis risk. The study suggests that adolescent cannabis use can induce long-term changes in brain cells and gene networks, potentially increasing psychiatric vulnerability.
Researchers have established an in vitro model of human neuron development to investigate the complex genetic origins of mental illnesses. The study found that changes in gene expression during neural development were significantly associated with genetic risk for schizophrenia.
Researchers found large differences in brain regions among individuals with schizophrenia, making it difficult to diagnose based on symptoms. The study highlights the need for individualized treatments and brain 'fingerprints' to improve patient outcomes.
A comprehensive review by the European Psychiatric Association recommends exercise as a key treatment for mental health conditions, reducing symptoms of depression and schizophrenia. The guidelines suggest structured exercise, two to three times a week, can improve cognition, cardiorespiratory health, and overall well-being.
Researchers at UNIGE successfully resynchronized neurons to correct desynchronization in neural networks, suppressing behavioral symptoms associated with schizophrenia. The study, published in Nature Neuroscience, offers promising results for a new therapeutic approach targeting defective inhibitory neurons.
A study in Japanese patients found that common genetic variations, including copy number variations (CNVs), underlie both autism spectrum disorder and schizophrenia. The researchers identified 12 CNV loci associated with these disorders and observed an overlap of pathogenic CNVs between the two conditions.
Scientists have developed a way to visualize brain cells communicating through neurotransmitters, providing insight into conditions such as Alzheimer's disease and depression. The new lab technique enables the study of poorly understood neurotransmitters like acetylcholine, which affects memory, mood, and emotional regulation.
Researchers at Osaka University demonstrate a link between IQ decline and work outcome in patients with schizophrenia. The study provides a method for estimating probabilities of work outcome, promoting reintegration into society and treatment motivation.
A study published in The Lancet Psychiatry found that switching antipsychotic medications in patients with first-episode schizophrenia does not improve clinical outcomes. Instead, earlier treatment with clozapine, an effective antipsychotic medication, can be started earlier to potentially save time and reduce suffering.
A study found that long, noncoding stretches of DNA in a calcium transport gene may predispose individuals to schizophrenia and bipolar disorder. These 'hidden variants' could help identify patients at risk and tailor treatments.
Researchers study the impact of self-assessment accuracy on daily functions and treatment in individuals with schizophrenia and bipolar disorder. The goal is to generate empirical evidence about impaired self-awareness and its effects on functional ability.
Researchers found that sodium nitroprusside prevented behavioral alterations associated with schizophrenia in rats, suggesting a potential preventive treatment for young people at risk. The study used an animal model that mimics the condition in children and adolescents considered at risk for development of the disease in adulthood.
Researchers at the University of Alberta developed a machine-learning algorithm to analyze brain function images and predict schizophrenia diagnosis with 78% accuracy. The model also identified patients who would respond positively to antipsychotic treatment risperidone with 82% accuracy.
A CAMH study reveals that people with schizophrenia have a disrupted stress response, differing from those at high risk for psychosis or healthy individuals. This discovery may provide clues into preventing schizophrenia.
Researchers found that increased in utero folic acid exposure was associated with changes in later brain development, predicting a reduced risk for symptoms of psychosis. These findings suggest that prenatal folic acid fortification may be an important intervention in preventing severe mental illnesses like schizophrenia.
A new study shows that people with schizophrenia are over-represented among those who die by suicide, particularly young people. Researchers emphasize the importance of assessing suicide risk in younger patients with schizophrenia, especially early in their illness.
Researchers have identified novel genes associated with childhood-onset schizophrenia, a rare form of the disorder. The discovery is expected to aid in diagnosis and the development of treatments for this severe condition.
A study on a Quebec family with an unusual gene has provided novel insight into how the human brain is built. The research found altered connectivity between dopamine-producing cells and their target sites in the brain, which may link to lower impulsivity traits and reduced likelihood of smoking.
A USC research team discovered 150 proteins affecting brain development and cell activity that contribute to mental disorders. The study used stem cells to determine chemical reactions influencing nerve growth and cell functions in people.
Researchers developed a portable eye function test to diagnose schizophrenia faster and more accurately. The study found that the device detected reduced electrical activity in the retina of participants with schizophrenia.
Researchers found that genes associated with schizophrenia alter early brain development indirectly by influencing placenta health, leading to a fivefold increased risk of developing the disorder. The study also discovered a sex bias in schizophrenia incidence, with males more likely to be affected due to the placenta's role.
A new smartphone app has been shown to be equally effective in treating people with schizophrenia, bipolar disorder, and major depression as traditional clinical interventions. The app, called Focus, had a significantly better rate of treatment engagement and was more convenient for patients.
Scientists at Karolinska Institutet have identified the cell types underlying schizophrenia, providing a roadmap for developing new therapies. The findings suggest that certain cell types contribute to the disorder and may require separate treatments.
Research at Oregon State University found that schizophrenia patients' blood contains genetic material from a wider range of bacteria and archaea compared to healthy controls. The study suggests that the human microbiome plays a significant role in health and disease.
Salk scientists develop a new way to study brain cell connections, revealing how communication is altered in people with schizophrenia. By creating multiple types of neurons from stem cells and observing their interactions, the team showed that CA3 pyramidal neurons form physical connections both to other CA3 neurons and to DG neurons.
A new animal model study found that brief maternal deprivation in early life alters adult brain function and cognition, leading to memory impairment and decreased communication between brain regions. The findings suggest a potential link between early-life trauma and the development of schizophrenia.
A study of nearly half a million participants found that muscular strength is associated with improved brain functioning across various tests, including reaction speed and memory. The research also suggests that weight training could be beneficial for people with mental health conditions such as schizophrenia and depression.
A study published in the Journal of Clinical Psychiatry found that individuals with schizophrenia who experienced childhood trauma had improved health outcomes when they possessed high levels of psychological resilience. The research team evaluated data from 114 participants with schizophrenia and 101 non-psychiatric comparison subjects.
Researchers have detailed for the first time how interneurons emerge and diversify in the brain, tracing their lineage from earliest precursor states to mature forms in mice. The study identified key genetic programs that determine the fate of developing interneurons, shedding light on their functions and potential treatment strategies.
Researchers have established a link between childhood trauma and severe hallucinations in schizophrenia, offering new treatment hope. The study found that childhood trauma was associated with hallucinations and delusions, and may help empower young patients to make informed decisions about their mental health.
Researchers have discovered 50 new gene regions increasing schizophrenia risk, including genes previously associated with intellectual disability and autism. These findings shed light on the disorder's complex genetics, suggesting subtle genetic variants can contribute to its development.
Researchers found that neural cells from schizophrenic patients produce less pro-angiogenic molecules and more anti-angiogenic proteins, impairing blood vessel formation. The study provides new insights into the causes of schizophrenia and potential therapeutic solutions.
A study published in PNAS found that a protein called neuregulin 3 suppresses the release of glutamate, a neurotransmitter essential for learning, in people with schizophrenia. The researchers used genetic and biochemical techniques to investigate how neuregulin 3 controls neurotransmitters in the brain.
A randomized, double-blind trial showed that adding sodium benzoate to clozapine improved negative symptoms and overall symptoms in patients with refractory schizophrenia. The treatment had no side effects and may provide hope for treating the most difficult-to-treat patients.