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Shank3 mutant beagles represent a potentially valuable preclinical model for autism research due to their naturally evolved social behaviors that more closely resemble human autism phenotypes than rodent models. This approach aims to address the high failure rate in translating autism drug candidates from animal studies to human clinical trials.
This retrospective cohort study analyzed 5,595 Japanese patients newly diagnosed with bipolar disorder to examine whether a prior depression diagnosis and its duration affected psychiatric and all-cause hospitalization rates and mortality. Patients with prior depression history showed slightly lower all-cause hospitalization risk (HR=0.87), with duration of preceding depression (≥1 year vs <1 year) not significantly altering psychiatric hospitalization outcomes.
This meta-analysis of 63 studies (N=6.9 million) found significant associations between autism and psychosis-spectrum traits across multiple dimensions, with individuals having one condition showing increased risk of being diagnosed with the other. The research highlights that measurement validity and potential misinterpretation of psychosis questionnaires by autistic individuals and clinicians may contribute to these associations.
This academic paper traces the historical origins of the term 'autism' coined by Eugen Bleuler in 1910 to describe schizophrenia, and how the concept was later borrowed to describe autism spectrum disorder, leading to diagnostic confusion. The authors argue that autistic features in schizophrenia differ fundamentally from autism spectrum disorder—rooted in self-disorder rather than developmental autism—and propose this distinction is crucial for accurate differential diagnosis and appropriate treatment.
This literature review examines the association between bipolar disorder and Parkinson's disease, focusing on their shared dopaminergic dysfunction in nigrostriatal and mesolimbic pathways. Recent analyses and meta-analyses show increased risk of developing Parkinson's disease in bipolar disorder patients, though differentiating idiopathic from medication-induced parkinsonism requires careful evaluation including DAT scans.
