The Status Importance Scale: Development and Validation of a Self-Report Questionnaire for Measuring How Much People Care About Status
The SIS as a valid self-report questionnaire that measures the construct of Status Importance. This instrument can contribute to research investigating various important social and psychological phenomena such as the impact of economic inequality in wealthy countries, the motivation underlying social media use, the characteristics that make social status more or less important in a society, and the detrimental implications of status-related issues upon mental and physical health.
KEY FINDINGS: The study reveals that the SIS can predict status anxiety. The SIS can contribute to research regarding important phenomena such as the detrimental psychological effects of income inequality.
BACKGROUND: Although substantial research indicates that considerations about status can lead to anxiety and other negative outcomes, a valid measure of the importance individuals attribute to status is lacking.
DETAILS: The study introduces the Status Importance Scale (SIS), a mono-factorial 10-item self-report questionnaire that quantifies how important a person deems status to be. Five studies validate the scale showing that it has excellent internal reliability and acceptable test–retest reliability, it correlates with several related measures (supporting convergent validity), it shows little correlation with theoretically unrelated constructs (supporting discriminant validity), it is the best predictor of conspicuous consumption compared with other potential candidates (supporting concurrent validity), and it can help predicting which activities one gives importance to (further supporting concurrent validity).
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Source: Rigoli, F. and Mirolli, M. (2024). The Status Importance Scale: Development and Validation of a Self-Report Questionnaire for Measuring How Much People Care About Status. British Journal of Psychology. 2024; 115(4): 683-705. Published: November, 2024. DOI: 10.1111/bjop.12716.
Efficacy and Safety of Xanomeline-Trospium Chloride in Schizophrenia
In this phase 3, double-blind, randomized, placebo-controlled trial in 256 people with schizophrenia, xanomeline-trospium was associated with a statistically significant and clinically meaningful reduction in Positive and Negative Syndrome Scale total score compared with placebo. Xanomeline-trospium was generally well tolerated; the most common adverse events were primarily gastrointestinal effects, which were mild or moderate in intensity and generally transient in nature.
KEY FINDINGS: Xanomeline-trospium was efficacious and well tolerated in people with schizophrenia experiencing acute psychosis. These findings, together with the previously reported and consistent results from the EMERGENT-1 and EMERGENT-2 trials, support the potential of xanomeline-trospium to be the first in a putative new class of antipsychotic medications without D2 dopamine receptor blocking activity.
BACKGROUND: A significant need exists for new antipsychotic medications with different mechanisms of action, greater efficacy, and better tolerability than existing agents. Xanomeline is a dual M1/M4 preferring muscarinic receptor agonist with no direct D2 dopamine receptor blocking activity. KarXT combines xanomeline with the peripheral muscarinic receptor antagonist trospium chloride with the goal of reducing adverse events due to xanomeline-related peripheral muscarinic receptor activation. In prior trials, xanomeline-trospium chloride was effective in reducing symptoms of psychosis and generally well tolerated in people with schizophrenia. Purpose of this study is to evaluate the efficacy and safety of xanomeline-trospium vs placebo in adults with schizophrenia.
DETAILS: EMERGENT-3 (NCT04738123) was a phase 3, multicenter, randomized, double-blind, placebo-controlled, 5-week trial of xanomeline-trospium in people with schizophrenia experiencing acute psychosis, conducted between April 1, 2021, and December 7, 2022, at 30 inpatient sites in the US and Ukraine. Data were analyzed from February to June 2023. Participants were randomized 1:1 to receive xanomeline-trospium chloride (maximum dose xanomeline 125 mg/trospium 30 mg) or placebo for 5 weeks. The prespecified primary end point was change from baseline to week 5 in Positive and Negative Syndrome Scale (PANSS) total score. Secondary outcome measures were change from baseline to week 5 in PANSS positive subscale score, PANSS negative subscale score, PANSS Marder negative factor score, Clinical Global Impression-Severity score, and proportion of participants with at least a 30% reduction in PANSS total score. Safety and tolerability were also evaluated. A total of 256 participants (mean [SD] age, 43.1 [11.8] years; 191 men [74.6%]; 156 of 256 participants [60.9%] were Black or African American, 98 [38.3%] were White, and 1 [0.4%] was Asian) were randomized (125 in xanomeline-trospium group and 131 in placebo group). At week 5, xanomeline-trospium significantly reduced PANSS total score compared with placebo (xanomeline-trospium , -20.6; placebo, -12.2; least squares mean difference, -8.4; 95% CI, -12.4 to -4.3; P < .001; Cohen d effect size, 0.60). Discontinuation rates due to treatment-emergent adverse events (TEAEs) were similar between the xanomeline-trospium (8 participants [6.4%]) and placebo (7 participants [5.5%]) groups. The most common TEAEs in the xanomeline-trospium vs placebo group were nausea (24 participants [19.2%] vs 2 participants [1.6%]), dyspepsia (20 participants [16.0%] vs 2 participants [1.6%]), vomiting (20 participants [16.0%] vs 1 participant [0.8%]), and constipation (16 participants [12.8%] vs 5 participants [3.9%]). Measures of extrapyramidal symptoms, weight gain, and somnolence were similar between treatment groups.
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Source: Kaul, I., Sawchak, S., Walling, D. P., et al. (2024). Efficacy and Safety of Xanomeline-Trospium Chloride in Schizophrenia: A Randomized Clinical Trial. JAMA Psychiatry. 2024; 81(8): 749-756. Published: August, 2024. DOI: 10.1001/jamapsychiatry.2024.0785.
Comparing the Cognitive Performance of Action Video Game Players and Age-Matched Controls Following a Cognitively Fatiguing Task
This pre-registered study provides evidence that AVGs show superior cognitive abilities in comparison to a non-gaming population, but do not appear more resilient to cognitive fatigue.
KEY FINDINGS: The results indicated AVGs showed superior spatial working memory and complex attention abilities while showing no difference from NGs on simple attention performance. Additionally, authors found that our cognitive fatigue and control interventions did not differentially affect the cognitive performance of AVGs and NGs in this study. This pre-registered study provides evidence that AVGs show superior cognitive abilities in comparison to a non-gaming population, but do not appear more resilient to cognitive fatigue.
BACKGROUND:
DETAILS: Recent work demonstrates that those who regularly play action video games (AVGs) consistently outperform non-gamer (NG) controls on tests of various cognitive abilities. AVGs place high demands on several cognitive functions and are often engaged with for long periods of time (e.g., over 2 h), predisposing players to experiencing cognitive fatigue. The detrimental effects of cognitive fatigue have been widely studied in various contexts where accurate performance is crucial, including aviation, military, and sport. Even though AVG players may be prone to experiencing cognitive fatigue, this topic has received little research attention to date. In this study, authors compared the effect of a cognitively fatiguing task on the subsequent cognitive performance of action video game players and NG control participants.
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Source: Campbell, M. J., Cregan, S. C., Joyce, J. M., et al. (2024). Comparing the Cognitive Performance of Action Video Game Players and Age-Matched Controls Following a Cognitively Fatiguing Task: A Stage 2 Registered Report. Br. J. Psychol. 2024; 115(3): 363-385. Published: August, 2024. DOI: 10.1111/bjop.12692.
Worldwide Incidence of Suicides in Prison
Prison services worldwide, and particularly in Europe, should prioritise suicide prevention. Assessment and management of suicide risk in female individuals living in prison need particular attention due to excess mortality relative to community-based populations.
Summary
A Systematic Review With Meta-Regression Analyses
[Posted 3/Jun/2024]
AUDIENCE: Psychiatry, Ob/gyn
KEY FINDINGS: Prison services worldwide, and particularly in Europe, should prioritise suicide prevention. Assessment and management of suicide risk in female individuals living in prison need particular attention due to excess mortality relative to community-based populations. Interpretation of synthesised data needs to be done with caution due to high heterogeneity between jurisdictions.
BACKGROUND: Suicide is a leading cause of death during imprisonment. This systematic review aimed to synthesise available evidence of prison suicide incidence worldwide.
DETAILS: Authors systematically searched the scientific literature, data repositories, and prison system reports, supplemented by correspondence with prison administrations. Authors included reports on people living in prison but excluded studies in preselected groups (by age or offence type). Absolute numbers and incidence rates of suicide mortality per 100,000 person-years by sex and country were extracted from 2000 to 2021. IQRs were used to describe the suicide incidence in different world regions. Incidence rate ratios comparing suicides of people living in prison with age-standardised general populations were calculated. Authors conducted meta-regression analyses on national-level and prison-level factors to examine heterogeneity. Authors included three scientific studies, 124 official reports, and 11 datasets from email correspondence. Between 2000 and 2021, there were 29,711 reported suicides during 91.2 million person-years of imprisonment in 82 jurisdictions worldwide (sex-specific data available for 13,289 individuals: 12,544 [94.4%] male and 745 [5.6%] female individuals). There were large variations between countries, with most studies reporting suicide rates in the range of 24-89 per 100,000 person-years in both sexes (22-86 in male individuals and 25-107 in female individuals). In meta-regression analyses, Europe (vs other regions), high-income countries (vs low-income and middle-income countries), and countries with lower incarceration rates (vs those with higher incarceration rates) had higher suicide rates. Incidence rate ratios between people who are incarcerated and age-standardised general populations in the same jurisdictions were typically in the range of 1.9-6.0 in male and 10.4-32.4 in female individuals.
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Source: Mundt, A. P., Cifuentes-Gramajo, P. A., Baranyi, G. et al. (2024). Worldwide Incidence of Suicides in Prison: A Systematic Review With Meta-Regression Analyses. The Lancet. 2024; Published: May 29, 2024. DOI: 10.1016/S2215-0366(24)00134-2.
GPi-DBS-Induced Brain Metabolic Activation in Cervical Dystonia
GPi-DBS increases metabolic activity at the stimulation site and sensorimotor network. The clinical benefit and adverse effects are mediated by modulation of specific networks.
KEY FINDINGS: GPi-DBS increases metabolic activity at the stimulation site and sensorimotor network. The clinical benefit and adverse effects are mediated by modulation of specific networks.
BACKGROUND: Deep brain stimulation (DBS) of the globus pallidus interna (GPi) is a highly efficacious treatment for cervical dystonia, but its mechanism of action is not fully understood. Here, we investigate the brain metabolic effects of GPi-DBS in cervical dystonia.
DETAILS: Eleven patients with GPi-DBS underwent brain 18F-fluorodeoxyglucose positron emission tomography imaging during stimulation on and off. Changes in regional brain glucose metabolism were investigated at the active contact location and across the whole brain. Changes in motor symptom severity were quantified using the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS), executive function using trail making test (TMT) and parkinsonism using Unified Parkinson's Disease Rating Scale (UPDRS). The mean (SD) best therapeutic response to DBS during the treatment was 81 (22)%. The TWSTRS score was 3.2 (3.9) points lower DBS on compared with off (p=0.02). At the stimulation site, stimulation was associated with increased metabolism, which correlated with DBS stimulation amplitude (r=0.70, p=0.03) but not with changes in motor symptom severity (p>0.9). In the whole brain analysis, stimulation increased metabolism in the GPi, subthalamic nucleus, putamen, primary sensorimotor cortex (PFDR0.05). Acute improvement in TWSTRS correlated with metabolic activation in the sensorimotor cortex and overall treatment response in the supplementary motor area. Worsening of TMT-B score was associated with activation of the anterior cingulate cortex and parkinsonism with activation in the putamen.
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Source: Honkanen E. A., Rönkä J., Pekkonen E., et al. (2024). GPi-DBS-Induced Brain Metabolic Activation in Cervical Dystonia. Journal of Neurology, Neurosurgery & Psychiatry. 2024; 95(4): 300-308. Published: April, 2024. DOI: 10.1136/jnnp-2023-331668.
Exploring the Interrelationships Between Physical Function, Functional Exercise Capacity, and Exercise Self-Efficacy in Persons Living with HIV
While physical activity can mitigate the metabolic effects of HIV disease and HIV medications, many HIV-infected persons report low levels of physical activity.
KEY FINDINGS: Making Time for Exercise Self-efficacy was more significant than Resisting Relapse for both physical function and functional exercise capacity. Interventions to promote achievement of physical activity need to use multiple measurement strategies.
BACKGROUND: Objective of this study is to determine if there were differences between the subjective and objective assessments of physical activity while controlling for sociodemographic, anthropometric, and clinical characteristics. A total of 810 participants across eight sites located in three countries. Both univariate and multivariant analyses were used.
DETAILS: Subjective instruments were the two subscales of Self-efficacy for Exercise Behaviors Scale: Making Time for Exercise and Resisting Relapse and Patient-Reported Outcomes Measurement Information System, which measured physical function. The objective measure of functional exercise capacity was the 6-minute Walk. Physical function was significantly associated with Making Time for Exercise (β = 1.76, p = .039) but not with Resisting Relapse (β = 1.16, p = .168). Age (β = -1.88, p = .001), being employed (β = 16.19, p < .001) and race (βs = 13.84–31.98, p < .001), hip–waist ratio (β = -2.18, p < .001), and comorbidities (β = 7.31, p < .001) were significant predictors of physical functioning. The model predicting physical function accounted for a large amount of variance (adjusted R2 = .938). The patterns of results predicting functional exercise capacity were similar. Making Time for Exercise self-efficacy scores significantly predicted functional exercise capacity (β = 0.14, p = .029), and Resisting Relapse scores again did not (β = -0.10, p = .120). Among the covariates, age (β = -0.16, p < .001), gender (β = -0.43, p < .001), education (β = 0.08, p = .026), and hip–waist ratio (β = 0.09, p = .034) were significant. This model did not account for much of the overall variance in the data (adjusted R2 = .081). We found a modest significant relationship between physical function and functional exercise capacity (r = 0.27).
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Source: Nokes, K. M., Sokhela, D. G., Orton, P, M., et al. (2024). Exploring the Interrelationships Between Physical Function, Functional Exercise Capacity, and Exercise Self-Efficacy in Persons Living with HIV. XXXXXXXX. 2024; 33(2-3): 165-175. Published: March, 2024. DOI: 10.1177/10547738241231626.
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