Suicide risk and the spaceflight environment: A scoping review

According to the World Health Organization (WHO) report in 2016, around 800,000 of individuals have committed suicide. Moreover, suicide is the second cause of unnatural death in people between 15 and 29 years. This paper reviews state of the art on the literature concerning the use of machine learning methods for suicide detection on social networks. Consequently, the objectives, data collection techniques, development process and the validation metrics used for suicide detection on social networks are analyzed. The authors conducted a scoping review using the methodology proposed by Arksey and O’Malley et al. and the PRISMA protocol was adopted to select the relevant studies. This scoping review aims to identify the machine learning techniques used to predict suicide risk based on information posted on social networks. The databases used are PubMed, Science Direct, IEEE Xplore and Web of Science. In total, 50% of the included studies (8/16) report explicitly the use of data mining techniques for feature extraction, feature detection or entity identification. The most commonly reported method was the Linguistic Inquiry and Word Count (4/8, 50%), followed by Latent Dirichlet Analysis, Latent Semantic Analysis, and Word2vec (2/8, 25%). Non-negative Matrix Factorization and Principal Component Analysis were used only in one of the included studies (12.5%). In total, 3 out of 8 research papers (37.5%) combined more than one of those techniques. Supported Vector Machine was implemented in 10 out of the 16 included studies (62.5%). Finally, 75% of the analyzed studies implement machine learning-based models using Python.Supplementary InformationThe online version contains supplementary material available at 10.1007/s10916-020-01669-5.

To perform scoping review of the existing literature available specific to child and adolescent mental health in Tanzania. An extensive literature search of PubMed, Scopus, MEDLINE and EMBASE was undertaken to identify studies that focussed specifically on mental illness in children and young people in Tanzania. This included neurological and functional disorders, affective disorders, psychosis, epidemiological, intervention and treatment-based studies. Qualitative analysis of the studies was then undertaken to assess what is currently known about the subject and how reliable this information is and to identify areas for further research. Of 23 studies were included in the final synthesis, which could be broadly split into studies focussing on the prevalence and incidence of child and adolescent mental illness, hypothesised causes and correlations, identified treatments and interventions and qualitative studies of human experience. There is a dearth of published research regarding child and adolescent mental health in Tanzania. Although some high-quality studies allow us good insight into the epidemiology of mental illness, interventional studies are often small and low-power, and significant correlational relationships are yet to be drawn. There is significant scope for further child and adolescent mental health research in Tanzania.

Child maltreatment affects millions of children internationally every year. Development is negatively impacted by maltreatment increasing the likelihood of maladaptive behaviours. Associations between child maltreatment and suicidal behaviour and suicide in young people has been established. However, there is a research gap in understanding effective ways to respond to and intervene with suicidal behaviour in young people who have experienced child maltreatment. A scoping review was conducted in accordance with the Joanna Briggs Institute methodology to investigate interventions that may be effective in preventing and reducing suicidal behaviours in young people who have experienced child maltreatment. Inclusion criteria were studies: (a) of children and young people who engage in suicidal behaviour and have experienced child maltreatment; (b) published in English during the time period 2000–2020; and (c) focused on responses and interventions to prevent or address suicidal behaviour. Across 37 studies, several intervention targets were identified through reflexive thematic analysis including cultivation of self-compassion, gratitude and future orientation, alleviation of depression, anxiety and post-traumatic stress disorder (PTSD) symptoms and psychological distress and addressing cognitive errors and negative views of the self. Screening and clear assessment of suicidal risk by health professionals and child welfare professionals was endorsed across studies. Several evidence-based treatments were proposed to support intervening with this client group, although only Emotional Intelligence Therapy (EIT) was empirically tested with this population. Utilisation of safe systems that the child or young person is in may be beneficial in addressing and reducing suicidal behaviour, such as inclusion of families, peers and the implementation of school-based interventions strategies. Future research is needed to empirically test and assess the effectiveness of interventions.

Background People with cancer are at a higher risk of suicide than the general population. Access to means of suicide is an important volitional risk factor, that if targeted at a population level can reduce incidence of suicide deaths. People with cancer are often prescribed multiple medications that have a high case fatality when taken in overdose and therefore have increased access to specific means of high lethality self-harm. The aim of this review is to examine the methods of suicide used by people with cancer, the study designs used to explore these and what, if any, comparisons have been made to the general population. Methods This scoping review will follow JBI scoping review methodology guidelines and be reported according to PRISMA-ScR checklist; a systematic search will be conducted of Embase (Elsevier), CINAHL Plus (EBSCO), PsycINFO (EBSCO), PsychARTICLES(EBSCO), and PubMed (NCBI) databases and grey literature sources. A data collection tool will be specifically designed and piloted independently by two reviewers. Findings will be presented descriptively, graphically, and narratively. Results The results of this review will identify the breadth of evidence in relation to methods of suicide used by people with cancer, explore how different methods are defined and categorised, how the topic has been studied, and ascertain if a systematic review is possible.

Climate change is a major threat to human health and has direct and indirect impacts on the human psyche. To assess the state of knowledge on the impact of climate change on mental health in Germany, a scoping review was conducted for the focus topics extreme weather events, temperature increase, intra-psychological processing, sociological aspects, and resilience factors. Ten studies met the inclusion criteria of the searches in the databases Academic Search Complete, CINAHL, PubPsych, PubMed, and PsychInfo. The majority of the studies looked at correlative relationships in a cross-sectional design. There are indications of an accumulation of psychiatric disorders after extreme weather events; in addition, the risk of suicide increases with higher temperatures and it appears there is an increase in aggressive behaviour. The majority of people surveyed in Germany report concerns about the consequences of climate change, although these currently rarely lead to clinically significant impairments in mental health. Overall, the evidence for Germany must be classified as insufficient. In addition to the absolute priority of climate protection (mitigation) by reducing emissions, there is a particular need for additional research with a focus on vulnerable groups and possibilities for prevention and adaptation.

PurposeAmong Asian-American/Pacific Islander, Hispanic/Latinx, and Black youth, the US born have higher risk of suicidal thoughts and behaviors (attempts and death-by-suicide) than first-generation migrants. Research has focused on the role of acculturation, defined as the sociocultural and psychological adaptations from navigating multiple cultural environments.MethodsUsing content analysis, we conducted a scoping review on acculturation-related experiences and suicide-related risk in Asian-American/Pacific Islander, Hispanic/Latinx, and Black youth (henceforth described as “ethnoracially minoritized adolescents”), identifying 27 empirical articles in 2005–2022.ResultsFindings were mixed: 19 articles found a positive association between acculturation and higher risk for suicide ideation and attempts, namely when assessed as acculturative stress; 3 articles a negative association; and 5 articles no association. Most of the research, however, was cross-sectional, largely focused on Hispanic/Latinx youth, relied on demographic variables or acculturation-related constructs as proxies for acculturation, used single-item assessments for suicide risk, and employed non-random sampling strategies. Although few articles discussed the role of gender, none discussed the intersections of race, sexual orientation, or other social identities on acculturation.ConclusionWithout a more developmental approach and systematic application of an intersectional research framework that accounts for racialized experiences, the mechanisms by which acculturation may influence the risk of suicidal thoughts and behavior remain unclear, resulting in a dearth of culturally responsive suicide-prevention strategies among migrant and ethnoracially minoritized youth.

Aims Suicide among healthcare professionals is a growing concern. Despite evidence of high psychological distress in dental practice, suicide in dentists remains underexplored. This scoping review systematically examined the literature on suicide and suicidal ideation among dentists, including prevalence, risk factors, and temporal trends.Methods Searches of PubMed, Scopus, Web of Science, and Dentistry and Oral Sciences Source identified English-language studies reporting suicide, suicidal ideation, or related mental-health risks in dental professionals. Duplicates were removed; titles/abstracts and full texts were screened against predefined criteria. Data were extracted and thematically analysed.Results Fourteen studies met the inclusion criteria and were mostly retrospective or observational studies. Findings on suicide rates were mixed: three studies reported elevated risk among dentists versus the general population, while two found no difference or declining trends. Reported risk factors included occupational stress, access to lethal means, substance misuse, mental-health stigma, sex, and age.Conclusions Suicide in dentistry is multifactorial. Reducing stigma, strengthening surveillance, and implementing targeted supports and interventions are needed to safeguard dentists' wellbeing.

IntroductionThe existing literature demonstrates that international students face a variety of stressors and barriers that can heighten the risk of suicide. However, up to now, no research has sought to...

A scoping review of functional near-infrared spectroscopy biomarkers in late-life depression: Depressive symptoms, cognitive functioning, and social functioning

In 2008, the World Health Organization launched the Mental Health Gap Action Program (mhGAP) to scale up mental health care in non-specialized health care settings. Studies have demonstrated the benefits of mhGAP implementation while highlighting the need for better contextual adaptation and ongoing support. The challenge of integrating mental health into primary care is particularly noticeable in fragile and conflict-affected settings, where the need for such services is greater and health systems are often disrupted. A literature search was conducted on PubMed, PsycINFO, Scopus, and Web of Science to identify relevant peer-reviewed studies addressing the effectiveness of mhGAP in fragile and conflict-affected settings. Information was collected on study characteristics and design, impact of mhGAP, and main operational challenges. After full-text review, 10 articles met the inclusion criteria, reporting the impact of mhGAP on primary care personnel, on service user outcomes and in health systems. Studies reported post-training improvements in knowledge, mainly on epilepsy and psychosis. However, gaps remained in skills related to conducting mental state examinations, assessing suicide risk, and strengthening psychosocial support. The evidence was inconclusive regarding the impact of mhGAP on improving access to mental health care at the primary level. Several implementation challenges were identified, including an overemphasis on short-term knowledge transfer and the lack of structured supervision following mhGAP training.