Clustering Semantic Spaces of Suicide Notes and Newsgroups Articles

Historically, suicide risk assessment has relied on question-&-answer tools. These tools, built on psychometric advances, are widely used because of availability. Yet there is no known tool based on biologic & cognitive evidence. This absence often causes a vexing clinical problem for clinicians who question the value of the result as time passes. This paper […]

Understanding Suicide: why we Don’t and how we Might

This book highlights theoretical & methdological challenges in suicidology. The contributions that each of the major disciplines have made are discussed & an overview of research & theories in some typical areas is provided. Drawing from this, specific recommendations are made as to what can be done in the future to advance knowledge of suicide […]

Patterns of Intimate Partner Homicide Suicide in Later Life: Strategies for Prevention

This research used content analysis to analyze 225 murder suicide events among dyads with at least one member 60 years or older. Data were collected from newspaper articles, television news transcripts, police reports, & obituaries published between 1999-2005. Findings suggest the most danger setting was the home & the majority of perpetrators were men. Firearms […]

Pickwick’s Interpolated Tales and the Examination of Suicide: the Science of an Ending

This article examines the influence that the suicide of Robert Seymour, an illustrator, had upon Charles Dickens & the development of “The Pickwick Papers”. {35 notes)

Analyses of Suicidal Deaths With Shotguns in Istanbul, 1998-2007

This study examined firearm suicides in Istanbul, occuring during 1998-2007. 36,971 autopsy reports were retrospectively reviewed. 73 suicides by shotgun were evaluated. 46 victims were male & 27 were female. Most victims were between 16-20 years. The majority of suicides occurred in the home & a suicide note was recovered in 7 cases. Ethyl alcohol […]

Suicide Note Classification Using Natural Language Processing: a Content Analysis

This paper presents the authors’ second attempt to determine the role of computational algorithms in understanding a suicidal patient’s thoughts as represented by suicide notes. It was hypothesized that machine learning algorithms can categorize suicide notes as well as mental health professionals & psychiatric trainees do. 33 notes from suicide victims were matched to 33 […]

Edwin S. Shneidman on Suicide

Edwin S. Shneidman was a father of contemporary suicidology & his work reflected an intensive study of suicide. His contributions are some of the essential studies in the field. The works can be divided into 5 parts: definitional & theoretical; suicide notes; administrative & programmatic; clinical & community; & psychological & postvention. This paper explicates […]

Suicidal Threats: Reading Between the Lines of O. J. Simpson’s Suicide Note (In: Suicide and Law Enforcement, edited by D C Sheehan & J I Warren)

With new understanding of the mind’s potential, it is possible now to examine forensic documents such as ransom notes or suicide letters for unconscious communication to determine true motivation & intent. For example, O. J. Simpson’s alleged suicide letter offers a sterling opportunity to apply this new appreciation of the human mind to determine his […]

The Interpersonal Nature of Suicide: a Qualitative Investigation of Suicide Notes

This research investigated broad interpersonal themes related to suicide as revealed through suicides notes. This study was a qualitative investigation of suicide notes written by 138 individuals who died by suicide. Grounded theory analysis revealed 7 interpersonal themes: instructions; positive relationships; explanations; relationship reconciliation/maintenance; concern for others; negative relationships; & acknowledging end of relationship. These […]

Differences in Characteristics Between Suicide Victims who Left Notes or not

To examines whether suicide victims who wrote notes differ from those who did not, the authors investigated the characteristics of a sample of more than 5000 Japanese suicides using multiple logistic regression analysis. The mean incidence of note writers was 30.1%. Note writers had the following characteristics: higher proportion of females, those living alone, & […]

An Inquiry Into Relationship Suicides and Reciprocity

The authors propose a reciprocity-based theory to explain suicides associated with relationship problems. Employing a content analysis of suicide notes, the theory was tested. Evidence was found of exploitation, exploiter guilt, retaliation, & retreat as motives for relationship-based suicide. Reciprocity-based note writers were more likely to have used alcohol or drugs in the hours prior […]

A Comparison of Suicide Note Writers With Suicides who did not Leave Notes

Using 10 years of cases from Summit County, Ohio, suicide victims who left notes were compared with those who did not leave notes. The 2 groups were compared on 40 variables including sociodemographic characteristics, reported affect before death, precipitating events, physical & mental health status & care, & method of suicide. The only differences found […]

Suicide Notes in Hong Kong in 2000

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Assessment of Depression and Suicidal Actions: Agreement Between Suicide Attempters and Informant Reports

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Motives for Suicide in Adolescents: a Preliminary Study

In a sample of suicide notes from 34 adolescents, ages 14-18 years, younger adolescents reported more social isolation from their families than did the older adolescents. Male adolescents less often reported feelings of isolation from family members than did female adolescents. (1 ref.)

Content Analysis of Suicide Notes as a Test of the Motivational Component of the Existential-Constructivist Model of Suicide

A sample of 40 suicide notes were analyzed for motivational content in relation to an existential-constructivist theory of suicide. Results generally supported the 4 theoretical categories of somatic, relational, spiritual, & psychological motivations, with 39 notes having content that could be classified according to these categories. Psychological motivations were found to be the most prevalent, […]

Documenting the Quick and the Dead: a Study of Suicide Case Files in a Coroner’s Office

This paper argues that social identities can, to a certain extent, be constructed post-mortem & in the absence of a living body. The authors make this case with reference to a sociological autopsy study of a hundred suicide case files in a coroner’s office in a medium-sized British city. The research draws on ethnographic approaches […]

Suicide Notes From Mexico and the United States: a Thematic Analysis

This study investigated suicide notes drawn from Mexico & the United States as these countries share geographical proximity, but markedly different cultures & suicide rates. A theoretical conceptual analysis of 102 suicide notes, matched for age & gender, was undertaken based on a thematic model of suicide developed by Leenaars across countries. The inter-judge reliability […]

Using Natural Language Processing to Classify Suicide Notes

Human Language Technology Conference, 2008, Columbus, Ohio

The Suicide Note: What can be Done in the Light of its Implications

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Elderly Suicide: a 10-Year Retrospective Study

All cases referred to the Medical Examiner’s Office at the Medical University of South Carolina from 1988-1997 were reviewed. There were 78 cases of suicide in victims 65 years & older. The ages of these victims ranged from 65 to 94 years. Men comprised 85% of cases, & whites, 94%. The male-to-female & white-to-black ratios […]

‘Round-Table’ Ethical Debate: is a Suicide Note an Authoritative ‘Living Will’

Living wills are often considered by physicians who are faced with a dying patient. Although popular with the general public, problems of authenticity & authority remain. There is little consensus on what spectrum of instruments constitutes a binding advance directive in real life. In this article, a panel of experts consider whether a suicide note […]

Incidence of Note-Leaving Remains Constant Despite Increasing Suicide Rates

It was hypothesized there was a significant relation between suicide rate & note-leaving rate & that the incidence of note-leaving was increased during a prolonged economic recession. During 1981-2001 in Kobe, Japan there were 5161 suicides. For each year, annual suicide rates & note-leaving rates were calculated. In spite of the prolonged economic slump, the […]