Temperament and character profiles of group-based suicide cases

Background: Personality and character traits may be a key predisposing factor to consider in the life course of people who are vulnerable to suicide. Aims: The aim of this study is first to explore the possible presence of different subgroups of suicide decedents based on developmental profiles of adversity, and secondly to examine the association of personality and […]

Temperament and character profile of college students who have suicidal ideas or have attempted suicide.

Highlights • To determine the relationship between suicidal risk and TCI dimensions. • The suicide attempt group displayed high levels of novelty seeking and persistence. • Self-directedness has a partial mediating effect between depression and suicide. • Self-directedness was found to reduce the effect of depressive mood on suicide risk.

Suicide Among Animals: a Review of Evidence

In this review, evidence on suicidal behaviours among animals is analyzed to discover analogies with human suicidal behaviour. Literature was retrieved by exploring Medline/PubMed and PsycINFO databases & through manual literatuare searches. Few empirical investigations have been carried out on this topic. Nevertheless, sparse evidence supports some resemblance between the self-endangering behaviour observed in the […]

Understanding Suicidal Behaviour: the Suicidal Process Approach to Research, Treatment and Prevention

This edited book has the following chapters: the suicidal process & related concepts; the epidemiology of the suicidal process; stress & suicidal behaviours; the biological interface between psychotraumatic experiences & affective dysregulation; psychological aspects; personality constellations & suicidal behaviour; ethology; towards a psychobiological model; suicide risk assessment & the suicidal-process approach; the suicidal process & […]

Animal Behaviour and Suicide

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Quest for Evolutionary Meaning in the Persistence of Suicide

This article explores the suggestion of some scientists that the persistence of suicide at fairly high rates across most cultures suggests an underlying evolutionary component, a possible Darwinian rationale for an an act that often seems irrational. Scientists propose the tendency toward suicide could be a concomitant of a trait or a group of traits […]

Etiology, Gender and Suicidal Behavior

Published in “The Suicidal Process: Challenges for Treatment and Prevention”

Impulsivity: a Discussion of Clinical and Experimental Findings

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Can a Louse Commit Suicide?: Letter Across the Pacific

The author considers the definition of suicide, emphasizing the roles of intent & self-awareness. He also addresses the question of self-injurious behavior in animals, & relates findings to the possibility that affective distress may be a driving force in human self-injury & suicide. (7 refs)

Suicide Types: Indirect Suicide (IN: Macmillan Encyclopedia of Death and Dying, vol.2: L-Z, ed. by R Kastenbaum)

The author of this entry reviews a range of indirect suicidal behaviors in which death results gradually rather than immediately, & in which the degree of intentionality is less obvious than in an overt suicide attempt. Psychological interpretations of such actions are explored, & the presence of indirect suicidal behaviors in non-human species is discussed. […]

An Ethological Perspective on Suicidal Behavior

In this article, suicidal behavior is viewed from an ethological perspective, first as an innate releasing mechanism & then as a fixed action pattern. Finally, the concept of conservation-withdrawal is suggested as a possible mediator between the experience of external stressors & suicidal behavior. The implications of this analysis are discussed. (28 refs)

Effects of Prenatal Alcohol Exposure on Social Behavior in Humans and Other Species

This article presents research relating to the effects of prenatal alcohol exposure across the lifespan of humans & other species. The review presented suggests that exposure to alcohol during the prenatal stage can affect the social behavior of individuals during all stages of life. Studies included demonstrate deficits in attachment behavior, state regulation, social skills, […]

Brood Reduction in Birds: Selection for Fratricide, Infanticide and Suicide?

Kin selection & inclusive fitness concepts are used to formulate a general theory accounting for the phenomenon of brood reduction in birds. The theory shows that as starvation mortality increases, selection favours first fratricide, then fratricide plus infanticide, & finally fratricide, infanticide & suicide (by the nestling with the shortest life expectancy). The theory is […]

Violence and Suicidality: Perspectives in Clinical and Psychobiological Research

This book describes some of the advances in the psychobiological understanding of the behavioural dimensions of suicide & violence. Part 1 examines clinical issues, including assessment & liability. Part 2 reviews ethological issues & includes a chapter on psychosocial correlates of suicide risk. Part 3 discusses clinical neurochemical aspects with a chapter on monoamines & […]

Evolutionary Limits to Self-Preservation

This article uses a simple mathematical formula: reproductive potential plus the productive value of continued existence. In theory, this quantity should represent the desire for self-preservation. In asocial species, the value varies from zero up. In a highly social species like humans, however, a negative value can be obtained, with a low reproductive potential & […]

The Apparent Anomaly of Self-Destructive Behavior (IN: Suicide and Self-Damaging Behavior: a Sociobiological Perspective)

The author asserts that almost all behaviour displayed by oranisms is oriented toward the maintenance or advancement of biological fitness, yet self-destructive behaviour acts directly against this. Humans are virtually the only species which are overtly self-destructive. The author argues that suicide is a result of a reduced biological fitness relative to others in the […]

Self-Destructiveness in Other Species (IN: Suicide and Self-Damaging Behavior: a Sociobiological Perspective)

This chapter discusses animal behaviour which is directly oriented toward or conducive to death. The author asserts self-destruction of a direct & unequivocal nature seems to only occur in the human species. The only time when animals appear to be self-destructive (without a secondary reason, like reproductive motivations) is when in captivity or other unnatural […]

Toward an Expansion of Research Paradigms (IN: Suicide and Self-Damaging Behavior: a Sociobiological Perspective)

This chapter synthesizes biological approaches to self-damaging behavior and suggests focuses for future research. Commonalities within the forms of self-damaging behavior include chronic coping difficulty, novel environments & the predominance of the behavior among males. Suggested focuses for future research include: learning VS innate determination, biological fitness, the role of ecological novelty & technology in […]

Can a Mouse Commit Suicide? (IN: Essays in Self-destruction, ed. by E S Shneidman)

Suicide requires intent, & intent implies the ability to make a choice, or the ability to make a discrimination. In this research, the author tests the theory that an animal can discriminate between life & death, as a preliminary step toward experimentation that could induce lower animals to kill themselves. This in turn could lead […]

Suicide Among Civilized and Primitive Races

Dr. Zilboorg feels that suicidal impulses among modern man are connected in some way to the whole history of suicide, which is a phenomenon of man’s natural behavior. He states that the earliest suicides among emerging cultures were requests to be killed, which have now evolved into the practice of self-murder. This comprehensive study contains […]

The Activity Spectra of Antidepressives and Their Indications, With Particular Reference to Antisuicidal Prophylaxis

The author outlines the stages in the evolution of suicidal impulses, pointing out that depressive states rank among the most frequent causes of suicide, with up to 50% of recorded suicides having had a history of depression. He further states that choice of drug is governed by symptomatology presented. Several groups of antidepressant drugs are […]

Early Social Influences on Suicidal Behaviour

The author claims that specific events in the early social environment contribute to a vulnerability for suicidal behavior, and further, that similar events in later life trigger these early memories & produce self-destructive behavior. Adam also states that suicide attempters & those who complete suicide are different but overlapping groups, the same individuals but at […]

Extrapyramidal Signs Following Zimelidine Overdose

A 35-yr-old woman with depression attempted suicide by taking an overdose of zimelidine (5 g), which was confirmed by zimelidine & norzimelidine plasma levels. Physical examination & repeat EKGs performed 2,6,9, & 12 hours later showed no alteration in her level of consciousness & only a slight increase in QT duration. Further symptoms are discussed. […]