Publications by authors named "J M Blackford"

In people with schizophrenia, anxiety is highly prevalent and related to numerous negative outcomes; unfortunately, anxiety is both underreported and understudied in schizophrenia. The current review highlights the importance and utility of assessing anxiety in schizophrenia by addressing four main questions: (1) What does anxiety look like throughout the development of schizophrenia?; (2) How do we measure anxiety in schizophrenia?; (3) What are the mechanisms underlying anxiety in schizophrenia; (4) How do we treat anxiety in schizophrenia? We also provide take-home points and propose future directions for the field. We hope this emphasis on the critical role of anxiety in schizophrenia will help researchers appropriately identify the presence of anxiety, better address these symptoms, and improve the lives of people at risk for or experiencing psychosis.

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  • Anxiety during early alcohol abstinence is linked to neural changes that increase relapse rates, specifically involving the bed nucleus of the stria terminalis (BNST) and its connections to anxiety-related brain regions.
  • A study compared brain function between individuals in early abstinence (EA group) and healthy controls (HC group) using a threat task, revealing significant differences in brain activation and connectivity related to anxiety levels and sex.
  • Findings suggest that early abstinence is associated with heightened BNST activation and altered brain connectivity patterns, highlighting the importance of the BNST in anxiety and providing insights into the effects of chronic alcohol use on the brain.
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Women are drinking alcohol as much as men for the first time in history. Women experience more health-related consequences from alcohol use disorder (AUD), like increased prevalence of alcohol-related cancers, faster progression of alcohol-related liver disease, and greater risk for relapse compared to men. Thus, sex differences in chronic alcohol use pose a substantial public health problem.

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Stress is proposed to be a crucial factor in the onset and presentation of psychosis. The early stage of psychosis provides a window into how stress interacts with the emergence of psychosis. Yet, how people with early psychosis respond to stress remains unclear.

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  • - The ENIGMA Anxiety Working Group studied brain structural differences between individuals with specific phobias and healthy participants, focusing on subtypes of phobias like animal and blood-injection-injury (BII) while examining how these differences relate to symptom severity and age.
  • - A total of 1,452 participants with phobias and 2,991 healthy subjects were analyzed, revealing that those with phobias exhibited smaller subcortical volumes and varying cortical thickness, especially noted in adults rather than youths.
  • - The results indicate that brain alterations in specific phobias are more significant than in other anxiety disorders, revealing distinct neural underpinnings linked to fear processing across different phobia types, highlighting a
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