Articles tagged with Psychiatry
A Swedish study found that female sex offenders are more likely to suffer from mental illness or drug abuse than male perpetrators. The research compared 93 convicted women with over 20,000 normal women and 13,000 women convicted of non-sexual crimes.
Researchers found a clear dissociation between OCD and Tourette's dimensions in terms of brain activity, working memory, and attention. This distinction could lead to improved diagnostic and treatment approaches for both conditions by prioritizing the identification and addressement of OCD symptoms.
Researchers found that mice lacking a specific receptor display hyperactivity and lack inhibitory interneurons, a common deficit in schizophrenia. This study provides a potential animal model for developing new treatments for psychiatric disorders.
A study has found a possible connection between long-term marijuana use and an increased risk of heart attacks and strokes. Heavy marijuana users showed significant increases in apolipoprotein C-III levels, which may be related to the delayed breakdown of triglycerides.
A study published in Biological Psychiatry used functional magnetic resonance imaging (fMRI) to match treatments for patients with generalized anxiety disorder. The researchers found that approximately two-thirds of patients experienced relief from their anxiety symptoms after treatment.
Researchers found that antidepressant medications increased natural killer cell activity in HIV-infected women with and without depression. The study suggests a potential link between antidepressant treatment and improved innate immunity, which could delay HIV disease progression.
A study published in BMC Psychiatry suggests a link between dopamine activity and lack of motivation in patients with schizophrenia. The research found that 11 out of 18 patients showed abnormal response to incentives, indicating an underlying brain chemical imbalance.
Dr. Jerald Block's research on the 1999 Columbine high school shootings suggests that virtual worlds played a significant role in the tragedy, blurring boundaries between reality and fantasy. The presentation will also discuss other school shootings, including Red Lake and Virginia Tech.
Researchers used laser micro-dissection to study gene expression in the human hypothalamus, a region crucial for stress response and depression development. The study found significant changes in five genes involved in corticotrophin-releasing factor activation, which may lead to new therapeutic strategies.
Research highlights a key role for general practitioners in providing long-term, individually formulated support schemes for families of suicide victims. The study found that post-suicidal reactions and impacts on daily living are still profoundly affecting families after the event.
Research highlights importance of targeting stigma associated with depression, particularly among less-educated men and those born overseas. Personal stigma is lower among those with depression, while higher education levels and depression knowledge reduce stigmatizing attitudes.
A study published in BMC Psychiatry found that healthcare staff's emotional reactions to substance abuse patients with personality disorders depend on the type of disorder. Patients with antisocial personality disorder elicit feelings of distance, while those with avoidant personality disorder induce feelings of helpfulness.
A commentary in Biological Psychiatry highlights attacks on medical researchers conducting non-human primate research, emphasizing their vital role in psychiatric disorder treatment. The authors condemn these acts and advocate for public action to protect scientists.
A new report suggests that switching from a selective serotonin reuptake inhibitor (SSRI) to a non-SSRI antidepressant may be more effective for treating symptoms of major depressive disorder. However, the effectiveness and tolerability of this approach varied depending on the individual.
A new study using fMRI found that people with depression show increased activation in the anterior cingulate region when anticipating reward, indicating a conflict between processing rewards and punishments. This finding suggests that depression may not be solely the absence of pleasure, but rather an experience of emotional pain or fr...
A study found reduced gray matter density in the pregenual anterior cingulate cortex of combat-exposed veterans with PTSD, but not their identical twins. The researchers suggest that stress exposure may cause this damage, leading to emotional consequences.
Researchers examined two emotion regulation strategies: reappraisal and suppression. Reappraisal reduced negative emotions and activated prefrontal cortex, while suppression increased amygdala activity. These findings suggest reappraisal as a more successful coping strategy.
Researchers found approximately one in every two hundred genes showed an epigenetic difference in the brains of psychiatric patients. These changes were noted on genes involved in neurotransmission, brain development, and other processes linked to disease origins.
Researchers have discovered a strong link between gene variants and anxiety-related traits, including shy behavior in children and introverted personality in adults. These variations were associated with increased activity of brain regions involved in emotional processing.
A new study published in Biological Psychiatry reveals that mothers' brains show distinct activation patterns when identifying their own infant's cries versus those of other infants. This unique response is thought to be biologically meaningful for successful infant care.
Researchers discovered a new genetic link between the MEGF10 gene and schizophrenia, finding that a variant of the gene is associated with increased heritability risk. The study also found that the MEGF10 gene is expressed more extensively in post-mortem brain tissue from individuals with schizophrenia.
A new study found that clozapine was approximately twice as effective as high-dose olanzapine in treating adolescents with schizophrenia. Both medications produced significant weight gain and metabolic abnormalities, but clozapine showed greater symptom reduction for positive and negative symptoms.
A new approach identifies five genes involved in myelination and six genes involved in growth factor signaling as potential biomarkers for high and low mood states. The study suggests that blood biomarkers may offer an informative window into brain functioning and disease state.
Researchers at Indiana University School of Medicine have isolated biomarkers in the blood that identify mood disorders, providing an objective tool for diagnosing and assessing the severity of illness. The discovery may alter the way bipolar illness is diagnosed and treated, offering a new approach to psychiatric treatment.
A meta-analysis of 34 clinical trials found venlafaxine (SNRI) outperformed SSRIs in treating depression, resulting in a 5.9% increased remission rate. This translates to the need for doctors to treat 17 patients with venlafaxine to achieve one patient's benefit.
A new study finds that ketamine's antidepressant effects are mediated by its ability to increase AMPA receptor stimulation, suggesting drugs enhancing this function may have rapid antidepressant properties. Researchers now aim to develop AMPA-boosting drugs without ketamine's side effects.
A new study by Yale School of Medicine researchers found that older women are more prone to depression and less likely to die from it compared to older men. The study, which evaluated 754 individuals aged 70+, found that women were more likely to experience symptoms of depression and remain depressed over time.
A new study published in Perspectives in Psychiatric Care shows that a psychiatric consultation team working closely with hospital staff led to the elimination of patient restraints for those with mental and developmental disabilities. The use of restraints was reduced through better communication, support, and staff training.
A study of over 1.38 million Danish births found a significant association between exposure to severe stressful events during the first trimester and an increased risk of schizophrenia in children. Chemicals released by the mother's brain in response to stress may affect fetal brain development, particularly in early pregnancy.
A study found that older women are more likely to develop depression and remain depressed over time, whereas older men are less prone to this condition. This disparity contributes to the higher burden of depression among older women.
A genetic study of 14,000 people found two genes, alpha 3 and alpha 5 nicotinic receptor subunits, to be associated with an increased risk of heavy smoking. The implicated DNA variants can be used to predict ability to quit using existing medications, potentially leading to more efficient treatment.
A weight control program has been shown to reduce weight gain and improve cholesterol levels in patients taking antipsychotic medication. The study found that participants who engaged in regular physical activity and healthy eating experienced significant improvements in their lipid profile and body mass index.
A new study by Rhode Island Hospital researchers reveals that the majority of psychiatry outpatients have more than one disorder when seeking treatment. The study found that patients with bipolar disorder and post-traumatic stress disorder had the highest number of diagnoses.
A study published in Biological Psychiatry found that genetic variants of the RGS4 gene predict antipsychotic treatment response in schizophrenia patients, with varying predictive power across different ethnic groups. The research highlights the potential for pharmacogenomics to guide treatment decisions and improve patient outcomes.
Researchers have discovered new treatment mechanisms for schizophrenia, targeting the dopamine D2 receptor and novel neurotransmitters like N-acetylaspartylglutamate (NAAG) and serotonin. These approaches aim to complement existing treatments and offer new hope for patients with schizophrenia.
A recent study has linked lower mental health scores to an increased risk of major amputations in diabetic veterans. The research, published in General Hospital Psychiatry, suggests that addressing mental health functioning is crucial in preventing amputation risk.
Researchers found that green tea polyphenols protect dopamine neurons and inhibit the ROS-NO pathway, which contributes to cell death in Parkinson's disease. The study suggests green tea polyphenols may be developed into a safe and easily administrable drug for Parkinson's disease treatment.
A new study published in Biological Psychiatry found that paliperidone extended-release tablets were effective in treating schizophrenia symptoms, with improvements seen in social functioning. The treatment's long half life and extended release formulation offer practical advantages over existing treatments.
The PREVENT study found that nearly 80% of patients with recurrent major depressive disorder achieved an adequate therapeutic response to venlafaxine extended-release or fluoxetine, with almost none relapsing after 6 months. The results suggest a subgroup of depressed patients may benefit from early and sustained treatment.
A new study published in Biological Psychiatry suggests that erythropoietin, a natural human hormone, may have antidepressant properties. The study found that erythropoietin regulated emotional responses and had neuroprotective effects on neural function, supporting its potential as a treatment strategy for depression.
A recent study published in the American Journal of Psychiatry found that psychiatrists are less religious than other physicians but more comfortable addressing patients' spiritual concerns. Psychiatrists are twice as likely to discuss spiritual issues with patients and more likely to encourage patients in their own religious ideas.
Researchers identified six courses of mental health, with poorer outcomes associated with smaller birth weight and delayed developmental milestones. The study suggests a 'fetal programming' model for depression and anxiety, where prenatal stress may result in permanent maladaptive changes to the developing fetal brain.
A new study shows transcranial magnetic stimulation (TMS) to be an effective, non-drug treatment for major depression, with response and remission rates approximately twice those of sham TMS. The treatment was well-tolerated by patients with mild side effects.
Research suggests that males exposed to female sex hormones in the womb may be more likely to develop anorexia nervosa. Studies of Swedish twins born between 1935 and 1958 found a higher risk among males with female twin sisters.
Researchers found that former anorexics showed distinct brain pattern differences, particularly in emotional response regions. Their brains were more focused on consequences and planning, suggesting a persistent risk of obsessive thinking. This study may lead to better understanding and treatment development for anorexia nervosa.
New research suggests that nicotine patches can improve attention and working memory in recovering alcoholics, particularly those who smoke. The study found that these individuals are more sensitive to the effects of nicotine, which may help explain their struggles with quitting nicotine use.
A meta-analysis of four clinical trials found that patients taking rimonabant experienced a 4.7kg greater weight reduction but were at a 40% higher risk of adverse events. Rimonabant also increased the likelihood of discontinuation due to depressive disorders and anxiety.
A study of psychiatrists and parents found significant differences in perceptions of pediatric ADHD and psychiatric comorbidities. The researchers suggest that improving communication between psychiatrists, parents, and patients can lead to better treatment outcomes for children with complicated ADHD.
Researchers propose a new approach to treating psychiatric disorders by focusing on an individual's need for internal balance. Studies suggest that decision-making is linked to maintaining homeostatic balance, which can be disrupted in individuals with addictions and psychiatric disorders.
Research by Dr Brendan Kelly found that medical romance novels often feature primary care and emergency settings, with common plot pairings including male doctor with female doctor or nurse. The novels highlight the romantic possibilities of these settings and suggest an urgent need for training programs to include romance education.
A study by Yale School of Medicine researchers found that 80% of participants who 'heard' phrases in length developed a schizophrenia-related illness. The finding suggests an early warning sign for the condition, which could be identified through inexpensive preventive drug therapy.
Researchers found that darkness amplifies the impact of social stress on anxiety levels, with a startle response boosted in healthy volunteers. The study suggests that stress can alter nervous system function and contribute to anxiety disorders.
The study found that mice with a better ability to cope with stress had increased activity of potassium channels in the brain, which counters increased nerve firing and BDNF release. In humans, depressed individuals showed a 40% increase in BDNF levels in the nucleus accumbens, suggesting a link between stress handling and depression.
Ninety-eight percent of psychiatric nurses believe service shortages play a role in inadequate care for patients with Borderline Personality Disorder (BPD), while only three percent have received post-graduate training. Providing specialist services and skills training are favored options to improve BPD care.
Patients with severe psychiatric illness lose 25-30 years of life expectancy due to increased risk of cardiovascular disease, diabetes, heart disease, and stroke. Lifestyle interventions like healthy eating and exercise can be challenging for this population.
Researchers found that depression in older people increases the risk of subsequent mental impairment and can act as a predictor of future intellectual decline. The study, which analyzed over 700 patients, showed that depression raises the risk of executive function loss, a key indicator of cognitive decline.
A study has identified genetic variants associated with premenstrual dysphoric disorder (PMDD), a severe form of PMS. Women with specific variants in the estrogen receptor alpha gene were more likely to experience PMDD, suggesting hormonal factors play a key role in its development.
A study of 3,369 postmenopausal women found that those who experienced at least one full-blown panic attack had a four times higher risk of heart attack and nearly twice the risk of death from any cause. The findings suggest that panic attacks may be an independent risk factor for cardiovascular events.
A large study found that healthy individuals with schizophrenia risk alleles had minute decrements in cognitive ability and altered schizotypal beliefs, highlighting the genetic liability to psychosis expressed at the population level.
Researchers found that administering a drug to stimulate another type of glutamate receptor can normalize abnormal brain function associated with schizophrenia. This finding provides promising therapeutic potential for improving treatments available to patients struggling with the disorder.