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Tag: Psychiatry & Clinical Mental Health

  • Positive social experiences predicted desire for interaction in schizophrenia

    What the study found

    The study found that day-to-day increases in social rewards and performance appraisals were associated with a stronger desire for social interaction in Veterans with psychosis. Hostile attribution bias, meaning interpreting others' actions as hostile, was not linked to desire for interaction or to later interactions.

    Why the authors say this matters

    The authors conclude that ecological momentary assessment, a method that collects repeated reports in daily life, is valuable for measuring state-level changes in motivation. They also suggest that positive experiences and performance appraisals are important, potentially changeable determinants of social motivation, while noting that other influences should be considered.

    What the researchers tested

    The researchers used ecological momentary assessment to examine factors influencing daily social motivation. Eighty-two Veterans with psychosis completed four electronic surveys per day for one week, reporting social activity, appraisals of interactions, enjoyment, and desire for future socialization.

    What worked and what didn't

    Increases in social rewards and performance appraisals predicted desire for social interactions. However, these same factors did not predict the number of subsequent interactions. Hostile attributions were not associated with either desire for social interaction or later interactions.

    What to keep in mind

    The abstract describes a one-week study of 82 Veterans with psychosis, so the findings are limited to that sample and timeframe. The summary also notes that positive experiences and performance appraisals may not fully determine future social behavior, and that other influences should be considered.

    • Positive social rewards and performance appraisals were linked to greater desire for social interaction.
    • These factors did not predict how many later social interactions participants had.
    • Hostile attribution bias was not associated with desire for interaction or later interactions.
    • The study used ecological momentary assessment with four surveys per day for one week.
    • The sample included 82 Veterans with psychosis.

  • Executive function and impairment links in children with ADHD

    What the study found

    The study identified monitoring and planning as the most central executive function domains in a network model of children with attention-deficit/hyperactivity disorder (ADHD). It also found that family-related impairment and inhibition were the main bridge domains connecting executive functions and functional impairments.

    Why the authors say this matters

    The authors conclude that the findings provide plausible hypotheses for risk factors and targeted interventions. They suggest the network results may help identify key domains for future intervention research.

    What the researchers tested

    The researchers studied 225 children with ADHD recruited from a pediatric hospital in China. ADHD was diagnosed with a semi-structured interview, executive functions were rated by parents using the Behavior Rating Inventory of Executive Function-Parent Form, and functional impairments were rated by parents using the Weiss Functional Impairment Scale-Parent Form. They used network analysis and calculated Expected Influence and bridge Expected Influence to find central and bridge nodes.

    What worked and what didn't

    Functional impairments ranged from 0.4% for risky behavior to 15.1% for self-concept. Monitoring had the highest centrality value (EI = 1.11), followed by planning (EI = 1.07). The most influential bridge nodes were family impairment (bridge EI = 0.41) and inhibition (bridge EI = 0.38).

    What to keep in mind

    The abstract says future research should use longitudinal designs and objective assessments to evaluate the findings further. It does not describe additional limitations beyond that.

    • Monitoring and planning were the most central executive function domains in the network model.
    • Family impairment and inhibition were the strongest bridge nodes linking executive functions and functional impairments.
    • The study included 225 children with ADHD recruited from a pediatric hospital in China.
    • Parents rated executive functions and functional impairments using two standardized forms.
    • The authors say the findings offer plausible hypotheses for risk factors and targeted interventions.

  • AI companions supported emotion regulation for some socially anxious students

    What the study found

    The study found that AI companions could provide a safe outlet for self-expression and help some university students with social anxiety regulate anxiety in triggering situations. The findings also showed mixed experiences, including concerns about authenticity, overdependence, and the lack of human warmth.

    Why the authors say this matters

    The authors conclude that the study highlights both the promise and limitations of AI companions in supporting adaptive emotion regulation among socially anxious students. They recommend a multi-stakeholder effort involving psychologists, educators, and AI developers to optimize AI companions for mental health support in university settings.

    What the researchers tested

    The researchers used a hermeneutic phenomenological approach, which focuses on understanding people’s lived experiences. They interviewed 20 university students aged 18–24 who self-identified as experiencing social anxiety, and they analyzed the interview data with content analysis to identify common themes.

    What worked and what didn't

    Four themes were identified: safe spaces for silent struggles, emotional relief and coping, stigma and the appeal of nonjudgmental AI, and withdrawal and reliance on technology. Students reported that AI companions helped with emotional expression and anxiety regulation, but they also expressed worries about authenticity, possible overreliance, and limited warmth compared with human support.

    What to keep in mind

    The study is based on interviews with 20 students from ages 18–24, so the findings reflect this specific group. The abstract does not describe other limitations beyond the concerns raised by participants.

    • AI companions were described as a safe outlet for self-expression by some socially anxious students.
    • Participants said AI companions helped regulate anxiety in triggering situations.
    • Students also raised concerns about authenticity, overdependence, and lack of human warmth.
    • The study identified four themes from interview data.
    • The authors recommend collaboration among psychologists, educators, and AI developers.

  • Substance-induced psychosis and schizophrenia show similar cognitive impairment

    What the study found

    The meta-analysis found that cognitive impairment in substance-induced psychotic disorder and schizophrenia spectrum disorders may be quite similar. The only clear difference reported was a subtle but significant advantage in executive functions for substance-induced psychotic disorder.

    Why the authors say this matters

    The authors suggest that the harmful effect of substance use leading to psychosis may cause cognitive impairment as severe as that seen in schizophrenia. They also suggest that differences in executive functioning may help distinguish schizophrenia from substance-induced psychotic disorder.

    What the researchers tested

    The researchers systematically searched PubMed, Web of Science, and Google Scholar for comparative studies of cognitive functioning in schizophrenia spectrum disorders and substance-induced psychotic disorder. They included studies meeting their criteria, assessed risk of bias with QUADAS-2, and pooled results using a random-effects model with means and standard deviations converted to Hedges' g.

    What worked and what didn't

    Eighteen studies with 1,092 patients were included. The overall random-effects meta-analysis showed no overall effect, while the analysis by cognitive domain found a small but significant difference in executive functions favoring substance-induced psychotic disorder. Performance was comparable between groups in memory, attention, psychomotor speed, and intellectual functioning.

    What to keep in mind

    The abstract does not describe detailed study-level limitations beyond the risk-of-bias assessment. The findings are based on comparative studies included in the meta-analysis, so they apply to the populations represented in those studies.

    • The meta-analysis found broadly similar cognitive impairment in schizophrenia spectrum disorders and substance-induced psychotic disorder.
    • Executive functions were the only domain with a reported significant difference, favoring substance-induced psychotic disorder.
    • Memory, attention, psychomotor speed, and intellectual functioning were comparable between groups.
    • Eighteen studies and 1,092 patients were included after systematic database searches.
    • The authors suggest substance-related psychosis may impair cognition as severely as schizophrenia.

  • Virtual reality executive function training showed inconsistent gains in children with executive dysfunction

    What the study found

    The study suggests that virtual reality-based executive function training can create a learning environment for primary-aged children with executive dysfunction, but progress on executive function measures was inconsistent. The authors also suggest that presence and agency may play distinct roles in that learning environment.

    Why the authors say this matters

    The authors say understanding how children with executive dysfunction can be supported is important because executive dysfunction is associated with poorer academic outcomes, more social and emotional difficulties, and lower wellbeing. They also conclude that a more nuanced understanding of presence and agency may help inform implementation within education.

    What the researchers tested

    The researchers used a mixed methods case series with 4 participants who were identified as experiencing executive dysfunction. Children completed 12 fifteen-minute virtual reality training sessions over 4 weeks using the executive function training game Koji's Quest, took executive function tests before and after training, and gave qualitative feedback at the end of each session. Their changes in executive function, mindset, and motivation were compared with a previously assessed sample of neurotypical children for context.

    What worked and what didn't

    The abstract reports inconsistent progress in executive function measures after training. It also states that children's experiences provided context for qualitative analysis and that presence and agency may be important, but it does not report a clear, uniform improvement across participants.

    What to keep in mind

    This was a very small case series with only 4 participants, so the findings are exploratory. The abstract does not provide detailed numerical results, and limitations beyond the small sample are not described in the available summary.

    • Four primary-aged children with executive dysfunction took part in the study.
    • They completed 12 virtual reality training sessions over 4 weeks.
    • Executive function progress was inconsistent across participants.
    • The authors suggest presence and agency may affect the learning environment in different ways.
    • The abstract says further research is recommended.