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Related Experiment Video

Updated: Jun 18, 2026

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Published on: November 30, 2015

Sequential Pathways to Suicidal Ideation: Refining the IMV Model in a Trauma-Exposed Iranian Sample.

Ali Fakhari, Shahram Mohammadkhani, Mehdi Akbari

Archives of Suicide Research : Official Journal of the International Academy for Suicide Research

|June 16, 2026

Summary

Childhood trauma (CT) increases suicidal ideation (SI) through attachment difficulties and entrapment. A sequential model, where CT leads to attachment issues, then entrapment, and finally SI, best explains this link in adults.

Keywords:

Attachment difficulties IMV model Iran childhood trauma collectivist context entrapment suicidal ideation

Related Experiment Videos

Last Updated: Jun 18, 2026

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Rapid Fractionation and Isolation of Whole Blood Components in Samples Obtained from a Community-based Setting

Published on: November 30, 2015

Area of Science:

Psychology
Psychiatry
Public Health

Background:

Childhood trauma (CT) is a significant risk factor for suicidal ideation (SI).
Understanding the psychological mechanisms linking CT to SI is crucial for developing effective interventions, especially in collectivist societies with rising suicide rates.
The integrated motivational-volitional (IMV) framework offers a model to explore these complex relationships.

Purpose of the Study:

To examine the sequential and parallel mediational roles of attachment difficulties (ATT) and entrapment (ENT) in the association between CT and SI within the IMV framework.
To investigate the predictive power of emotional abuse and neglect on SI.
To explore the moderating effects of gender and previous suicide attempt history on the CT-SI pathway.

Main Methods:

Structural equation modeling (SEM) and multi-group SEM (MGSEM) were employed.
Data were collected from 694 trauma-exposed adults in Tehran, Iran.
The study analyzed sequential (CT → ATT → ENT → SI) and parallel (CT → ATT → SI; CT → ENT → SI) mediational models.

Main Results:

The sequential model demonstrated a significantly better fit compared to the parallel model.
The sequential model explained 44.5% of the variance in SI and 68.3% of the variance in ENT.
Emotional abuse and neglect were identified as the strongest predictors within the model. Gender and prior suicide attempt history moderated the pathway.

Conclusions:

Findings provide cross-sectional support for the IMV framework, highlighting the sequential mediating roles of attachment difficulties and entrapment in the CT-SI relationship.
Interpersonal factors, specifically attachment difficulties and entrapment, are key psychological mechanisms linking childhood trauma to suicidal ideation.
The results offer valuable insights for developing targeted interventions for trauma-exposed individuals in Iran and similar cultural contexts.