Articles tagged with Schizophrenia
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Researchers explore the connection between schizophrenia and an increased risk of developing type 2 diabetes. They aim to identify patients at high risk and develop more effective treatment plans.
A new study found that variations of the OLIG2 gene are strongly associated with schizophrenia. The gene plays a crucial role in myelin production and is coordinated with other genes involved in myelination and schizophrenia development. This causal link may help researchers develop new therapeutic targets for the debilitating illness.
Research suggests that folate deficiency during pregnancy can cause genetic mutations leading to schizophrenia, challenging the conventional wisdom on psychiatric disorders. The study of two major famines in the 20th century supports a theory of medical genetics where multiple genetic mutations contribute to diseases.
A study by UCL scientists found that people's brains struggle to distinguish between real and imagined events, leading to hallucinations in schizophrenia. The researchers used fMRI scans to observe brain activity while participants remembered whether words had been seen or imagined.
Research on neuropeptide S suggests it can reduce biochemical and behavioral symptoms of schizophrenia, while also alleviating anxiety and promoting wakefulness. The study's findings indicate the NPS receptor could be a target for developing novel antipsychotic drugs.
Researchers discover altered activity in NRG1-erbB4 and NMDA receptor pairs, suggesting a relationship between the two and contributing to schizophrenia symptoms. The study's findings provide new insights into the molecular mechanisms underlying the disease.
A new theory suggests that two-thirds of people diagnosed with schizophrenia have suffered physical or sexual abuse, making it a major cause of the illness. The research argues that trauma, not just genetic predisposition, contributes to schizophrenic symptoms.
A study led by University of Iowa researchers found that people with schizophrenia struggle to understand body language, including facial expressions and non-verbal cues. Even those with mild symptoms and taking medication, they have difficulty extracting information from these socially relevant clues.
Researchers found that medication may delay the onset of psychosis in schizophrenia patients, leading to improved treatment outcomes and reduced symptoms. The study suggests that early recognition and treatment can help prevent or delay the development of full-blown psychosis in individuals with prodromal symptoms.
Dr. Andreasen, a leading expert on schizophrenia, receives Vanderbilt Prize for Biomedical Science for her groundbreaking research and mentorship of women in science. The award includes a $25,000 prize and establishes a scholarship to support a promising M.D./Ph.D. candidate.
Researchers found a specific pattern of DNA sequence variations in the dysbindin gene associated with impaired cognition and intelligence. The study suggests dysbindin influences variation in human cognitive ability, but only explains a small proportion, about 3 percent.
Researchers found that hospitalized patients with schizophrenia are more likely to experience serious infections, respiratory failure, and sepsis compared to those without the condition. The study suggests that improved quality of care could help mitigate this increased risk.
Researchers created a genetically altered mouse strain with overexpressed dopamine receptors in the striatum, which showed specific cognitive deficits similar to human schizophrenics. The study suggests that cognitive symptoms may arise from subtle genetic differences in the dopamine receptor gene.
Researchers created mice with a genetic defect that affects learning and memory, mirroring symptoms of schizophrenia. The animals struggled to adapt to new environments and scents, highlighting potential treatments for the mental health disorder.
A study of 1627 patients found that 53% stopped treatment early, with 36% citing ineffective treatment or worsening symptoms. Patients who experienced an early response to medication were 80% more likely to complete treatment, highlighting the importance of early symptom control and discussing treatment expectations.
A $1.75 million grant will establish the Australian Schizophrenia Research Bank, a nationally coordinated facility to support schizophrenia research. The bank will provide access to comprehensive, cross-referenced data on over 3,000 participants with schizophrenia and their families.
Studies using a laboratory model of PRODH deficiency demonstrate the role of COMT in compensating for overactive dopamine signaling, which contributes to schizophrenia symptoms. The findings show that disruptions in gene interaction, particularly between PRODH and COMT, play a crucial role in the development of schizophrenia.
Researchers found that repeated exposure to marijuana was related to abnormalities in the development of the arcuate fasciculus, a bundle of fibers connecting language and auditory functions. Longitudinal studies are needed to determine whether these changes in the brain are permanent or change over time.
Researchers have identified a new genetic link between PDE4B and DISC1 genes and mental illness, shedding light on the root causes of schizophrenia. The discovery suggests a potential new way of thinking about developing better treatments for this debilitating disease.
Researchers discovered sequence variations in the DISC1 gene that predict schizophrenia, neurocognitive deficits, and brain structure abnormalities. The study's findings offer hope for developing a treatment that can prevent or fix the protein's function.
Researchers at Penn have developed a new method using high-dimensional shape transformations to identify unique structural brain characteristics in schizophrenia patients. The study demonstrates the potential for early detection and prevention of the disease through MRI analysis.
The Schizophrenia Research Forum is a new online platform that aims to accelerate discovery by connecting researchers, experts, and clinicians. The site features interactive forums, live chats with leading scientists, and a searchable database of schizophrenia-related papers.
Researchers found 12 out of 15 participants with chronic schizophrenia made more accurate judgments than the best performer among a control group of non-schizophrenic volunteers. The study suggests that contextual processing may be less effective in schizophrenic brains, possibly due to insufficient inhibition.
A Stanford study reveals that a single copy of the low-activity COMT protein may be a major risk factor for the development of schizophrenia or related psychotic disorders in children with a chromosome 22 deletion. This genetic variation can lead to an increased drop in verbal IQ, expressive language skills, and prefrontal cortex volume.
A study finds that youth with the 22q11.2 deletion syndrome and a specific COMT gene variant exhibit significant cognitive decline and psychosis, with excessive dopamine levels contributing to these effects. The study implicates the COMT gene in schizophrenia development, highlighting its potential role in information processing distur...
A recent study contradicts earlier research suggesting that the neural development protein Oct-6 could be a marker for schizophrenia and bipolar disorder. Contrary to previous results, researchers found no difference in Oct-6 protein or mRNA expression between patients with these disorders and healthy individuals.
Researchers at Rutgers University have made new findings linking genetic variants to susceptibility to autism and schizophrenia. The study suggests that a mutated form of the EN2 gene may contribute to up to 40% of autism cases, while another gene called CAPON has been implicated in schizophrenia.
The CATIE study found that while newer medications have no substantial advantage over older antipsychotics, individual differences in patient response to these drugs remain crucial. Patients on olanzapine tended to stay on the medication longer but experienced increased side effects such as weight gain and metabolic changes.
A new Yale study reconciles two long-standing models of schizophrenia: the dopamine hypothesis and the PCP Model. Researchers found that drugs like ketamine, which block glutamate receptors, produce a more complete schizophrenia-like state than amphetamine.
A study has found a significant connection between the CAPON gene and schizophrenia, with brain samples from patients showing higher levels of the short form of the protein. This increase was predominantly seen in individuals with variants of the CAPON gene previously linked to schizophrenia.
A new study published in Schizophrenia Research found that individuals with schizotypal personalities are more creative than normal or fully schizophrenic people. They also use the right side of their brains more heavily to access creativity. This is supported by research showing a disproportionate number of schizotypes and schizophren...
A four-year multicenter study will examine why minorities face dangerous misdiagnoses for mood disorders, leading to excessive antipsychotic drug use among African-Americans. The research aims to identify underlying reasons and develop new education techniques to improve diagnosis and treatment plans.
Researchers found a disrupted brain wave pattern in patients with schizophrenia, which may help understand attention deficits. The study aims to develop a biological test to distinguish patients with schizophrenia from those with bipolar disorder.
A study found that prenatal exposure to famine in China's Wuhu region increased the risk of schizophrenia in later life. Birth rates dropped significantly during the famine years, and the risk of developing schizophrenia increased among those born during this time.
A new study from Washington University in St. Louis shows that people with schizophrenia can remember things just as well as healthy subjects with proper cues and memory aids. The research suggests a new way to understand the cognitive problems underlying schizophrenia, offering hope for more effective cognitive rehabilitation programs.
Edwin Rydberg wins prestigious EMBO Science Writing Prize with his essay Through The Illusions, exploring the link between DNA changes, smoking and schizophrenia. His work showcases a fascinating combination of factors, inspiring new research in popular science writing.
A study at McGill University investigates the links between brain behavior, neurochemistry, and molecular biology in relation to mental disorders. The researchers aim to develop diagnostic tools, treatment, and prevention strategies for conditions like schizophrenia.
Researchers found a correlation between delusion strength and 'world motion' perception in schizophrenia patients. This supports the view that delusions may be caused by an inability to attribute agency to sensory experiences.
A comprehensive survey of schizophrenia rates around the globe debunks a popular textbook definition that the disorder affects 10 in every 1000 people. The study reveals the incidence and prevalence of schizophrenia varies greatly between regions, with poorer countries having more women affected than men.
A comprehensive analysis of 1,721 estimates from 188 studies covering 46 countries found schizophrenia is more common in developed countries but overall less common than thought. The study revealed that immigrant populations have higher rates of the disease than native-born individuals.
SEROQUEL demonstrates a higher compliance rate compared to risperidone and olanzapine, with significant improvements in cognitive function, including working and verbal memory, while also offering a superior side effect profile.
A study examined the effect of SEROQUEL on cognitive function in patients with schizophrenia, showing improved overall cognition. Another analysis found that patients taking atypical antipsychotics had better treatment compliance compared to those taking conventional antipsychotics.
A study by Columbia University found a potential link between maternal toxoplasmosis gondii infection and an increased risk of schizophrenia in adult offspring, particularly those with high antibody titers. The researchers suggest that inflammation may be the underlying mechanism behind this association.
A Pitt professor has been awarded a prestigious Sloan Research Fellowship to study brain communication and its impact on mental disorders like schizophrenia. The two-year, $45,000 fellowship will fund his research into how brain areas interact during normal behaviors and how this interaction breaks down in schizophrenia.
A study found that increased activity in the prefrontal cortex predicts higher dopamine levels in the midbrain in individuals with the val COMT gene type, while decreased activity is seen in those with the met type. This suggests a 'tuning' model where dopamine regulates signal-to-noise ratios in brain cells.
Researchers found that nearly all psychiatrists consider metabolic side effects serious or very serious, but baseline data and regular checks are often neglected. The study highlights the need for clinicians to change their practice to reflect this concern and provide better care for patients with schizophrenia.
A new study found that an atypical antipsychotic drug can prevent brain loss in patients with schizophrenia when started early. The study, led by Dr. Jeffrey Lieberman, measured brain volume and cognitive changes in 263 first-episode schizophrenia patients and 58 non-schizophrenic volunteers over a two-year period.
A Rutgers scientist will use a new grant to investigate schizophrenia genes, with the goal of finding better treatments and reduced morbidity. The researcher aims to analyze genetic data using a new statistical analysis method and investigate a recently described class of genes involved in the central nervous system.
A recent brain imaging study found that individuals at high risk for schizophrenia show altered neural activity in the prefrontal cortex, suggesting biological changes prior to disease onset. The study used fMRI scans to identify potential biomarkers of vulnerability, which could aid in early intervention and treatment.
A comprehensive treatment approach for all schizophrenia symptoms is possible, enabling patients to recover and lead fuller lives. Atypical antipsychotics have shown promise in improving cognition and addressing depressive symptoms, but individual side effects and preferences must be considered.
A U of T researcher has discovered a connection between gene mutations and schizophrenia, suggesting the brain overcompensates for these mutations by becoming supersensitive to dopamine. This new understanding could lead to new research directions into schizophrenia.
Research found significant insulin resistance and impaired glucose effectiveness in non-obese patients treated with clozapine, olanzapine, or risperidone. This may increase the risk for diabetes mellitus in vulnerable individuals.
The NIH is providing $32.8 million to enhance its Biomedical Informatics Research Network (BIRN), a consortium of universities and research groups focused on utilizing information technology innovations to advance biomedical science. BIRN aims to create an environment encouraging collaborative research, facilitating sharing, analysis, ...
Researchers found that schizophrenic patients lacked gamma band response, indicating defective communication between neurons, while healthy brains showed synchronized activity at 40 hertz. The study suggests that drugs promoting a normal gamma response may help alleviate schizophrenia symptoms.
PKC enzyme's excessive activity is associated with symptoms of bipolar disorder and schizophrenia. Increasing PKC activity in the prefrontal cortex impairs cognitive function, while inhibition may offer therapeutic benefits.
Researchers found that a defect in RGS4 gene may cause schizophrenia-like symptoms, such as difficulty filtering out unimportant sensory information. The study uses mouse brain nerve cell circuitry to better understand the cause of schizophrenia.
Researchers used DTI scans to analyze the movement of water molecules in brain fibers, finding abnormalities in neural pathways related to verbal memory and executive functioning. The study suggests that schizophrenia may result from differences in neural connections rather than single component faults.
Physicians and individuals with stable schizophrenia report similar top treatment goals: improving mental health and overall happiness. People with schizophrenia prioritize life goals, such as returning to favorite hobbies and reducing feelings of isolation.
A new study reveals that 8 out of 10 patients with serious mental illnesses are satisfied with their Seroquel treatment, experiencing improved positive and negative symptoms. This is attributed to its effectiveness and favorable side effect profile, leading to better compliance and outcomes.
The UCI Brain Imaging Center will utilize advanced fMRI, PET, and DTI imaging techniques to study abnormal brain networks in schizophrenia. The goal is to identify the underlying biology of the disease and develop more effective treatments.