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Related Experiment Video

Updated: Jul 5, 2026

Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats

Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats

Published on: March 17, 2019

Suicide, misappropriation and impulsivity.

Danny Cheah¹, Gerhard Schmitt, Saxby Pridmore

¹Department of Psychological Medicine, Royal Hobart Hospital, Hobart, Tasmania, Australia.

The Australian and New Zealand Journal of Psychiatry

|May 10, 2008

Summary

A man survived a high-risk suicide attempt without a psychiatric diagnosis, demonstrating the impact of impulsivity and disgrace. This case highlights survival after using lethal means, prompting further understanding of suicide risk factors.

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Area of Science:

Psychiatry
Psychology
Suicidology

Background:

Suicidal behavior represents a significant public health concern.
Understanding factors contributing to suicide attempts is crucial for prevention.
Lethal means are often employed in completed suicides, making survival rare.

Observation:

A 22-year-old man survived a 49-meter fall from a bridge into water.
The patient had misappropriated funds and faced imminent detection.
He reported acting on a sudden impulse and attempted to alter his fall mid-air.

Findings:

No Axis I or Axis II psychiatric diagnosis was identified in the patient.
Impulsivity and the threat of disgrace were significant factors in the suicide attempt.
The patient's survival was attributed to a change of mind during the fall and adopting a diving posture.

Implications:

This case underscores that suicide attempts can occur in individuals without formal psychiatric diagnoses.
Impulsivity and situational stressors (e.g., disgrace, legal consequences) can precipitate highly lethal acts.
Further research is needed to explore the interplay of impulsivity, situational factors, and survival in suicide attempts.