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Beta secretase inhibitors to treat Alzheimer's disease

A new study published in Biological Psychiatry found that beta secretase inhibitors can impair synaptic plasticity and cognitive functions, highlighting the need for dose-dependent treatment. The researchers urge caution in dosing these inhibitors to balance safety and efficacy.

SourceElsevier·JournalBiological Psychiatry·DateApr 2, 2015

Antibodies to brain proteins may trigger psychosis

A new study has identified antibodies targeting dopamine D2 receptors and NMDA glutamate receptors in children experiencing their first episode of psychosis. This finding suggests that autoimmunity may play a role in the development of psychosis, offering hope for new treatment approaches.

SourceElsevier·JournalBiological Psychiatry·DateMar 5, 2015

An alternative to medical marijuana for pain?

Researchers discover cannabinoid CB2 agonist AM1710 suppresses chemotherapy-induced pain in mice without tolerance or withdrawal symptoms. The therapeutic effect of AM1710 is preserved even after repeated dosing and blocking CB1 receptors produces no signs of withdrawal.

SourceElsevier·JournalBiological Psychiatry·DateMar 4, 2015

Smoking thins vital part of brain

A major study by McGill University and the University of Edinburgh found that long-term smoking causes thinning of the brain's cortex, accelerating cognitive decline. Stopping smoking helps restore part of the cortex's thickness, but recovery is slow and incomplete.

SourceMcGill University·JournalMolecular Psychiatry·DateFeb 10, 2015

Development of psychosis: Gray matter loss and the inflamed brain

A new study finds that gray matter loss in the brain is a precursor to psychosis, with increased inflammation accelerating this process. Researchers analyzed brain scans of young adults at clinical high risk for psychosis and healthy controls, revealing a significant correlation between proinflammatory cytokines and gray matter thinning.

SourceElsevier·JournalBiological Psychiatry·DateJan 13, 2015

Major depression in the National Comorbidity Survey

The study found that major depression was highly prevalent in adolescents, with a lifetime prevalence rate of 11%, and females had twice the rates of males. The majority of adolescents with MDD demonstrated severe role impairment and substantial comorbidity with other mental conditions.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateJan 6, 2015

Severely mentally ill criminals: Who goes to prison and who goes to psych institutions?

Researchers found higher levels of education among those declared not criminally responsible for a crime and hospitalized. Additionally, incarcerated individuals with severe mental disorders had a greater history of suicide attempts and psychopathic traits, emphasizing the need for shared care models between legal and healthcare systems.

SourceUniversity of Montreal·JournalIssues in Mental Health Nursing·DateDec 16, 2014

Laughing gas studied as depression treatment

A pilot study found that two-thirds of patients with treatment-resistant clinical depression experienced an improvement in symptoms after receiving nitrous oxide, compared to one-third who improved with a placebo. The researchers are encouraged by the results and plan to replicate the study and test various concentrations of laughing gas.

SourceWashU Medicine·JournalBiological Psychiatry·DateDec 9, 2014

Brain activity after smokers quit predicts chances of relapsing, Penn study suggests

A Penn Medicine study suggests that disruptions in brain memory-related activity after quitting can identify smokers at risk of relapsing. Smokers who failed to quit had decreased activity in the left dorsolateral prefrontal cortex and reduced suppression of activation in the posterior cingulate cortex, indicating a higher chance of re...

SourceUniversity of Pennsylvania School of Medicine·JournalNeuropsychopharmacology·DateDec 3, 2014

Understanding the brain's 'suffocation alarm'

Research identifies ASIC1a gene variants associated with panic disorder and respiratory symptoms such as shortness of breath and feelings of suffocation. The study found that the genes are also linked to amygdala structure and function, raising hopes for new treatments.

SourceElsevier·JournalBiological Psychiatry·DateDec 1, 2014

Autophagy and antidepressants

Researchers found that FKBP51 regulates acute and chronic effects of antidepressants via autophagic pathways in mice and humans. Autophagy markers correlate with antidepressant treatment response in patients with depression.

SourcePLOS·JournalPLOS Medicine·DateNov 11, 2014

The Lancet: The legacy of changing attitudes since World War 1

This Special Issue examines the evolution of knowledge on infectious diseases, military psychiatry, and surgical pain since World War I. Research highlights the need for new antimicrobial drugs and improved treatments for post-amputation pain, while also discussing the impact of war on healthcare and public health policy.

SourceThe Lancet·JournalThe Lancet·DateNov 6, 2014

Autism spectrum disorder: 10 tips guidance article

A new article provides 10 practical tips to support individuals with autism spectrum disorder (ASD), empowering them to participate in their communities and receive personalized care. The 'Ten Tips' offer a framework for clinical practice and global advocacy, prioritizing the individual's hopes, dreams, and self-determination.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateNov 4, 2014

Ghrelin stimulates an appetite for drinking alcohol

A new study published in Biological Psychiatry found that ghrelin increases alcohol craving in heavy drinkers, suggesting a potential target for future treatments. The study, conducted in humans, built on previous animal research and found significant effects of ghrelin on alcohol desire.

SourceElsevier·JournalBiological Psychiatry·DateOct 29, 2014

Change your walking style, change your mood

Researchers showed subjects a list of positive and negative words, then asked them to walk on a treadmill while measuring their gait and posture. The study found that those who walked in a depressed style recalled more negative words from the earlier list, suggesting a link between walking style and mood.

SourceCIFAR·JournalJournal of Behavior Therapy and Experimental Psychiatry·DateOct 15, 2014

Predicting the future course of psychotic illness

Researchers developed a predictive model based on clinical symptoms, cognitive abilities, brain structure, and biomarkers to forecast patient outcomes. The model aims to improve treatment for mental illnesses like schizophrenia and could lead to more personalized care.

SourceUniversity of Adelaide·JournalAustralian & New Zealand Journal of Psychiatry·DateOct 1, 2014