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Highlights
● Attentional bias, which includes selective allocation of attention resources to some specific aspects of the stimulus, is a cognitive process that helps more to explain and predict suicidal behaviors. Suicide Stroop Test is a modified version of the emotional Stroop test that measures the degree of the interference created by strict processing to support pioneer responses to a stimulus with a given emotion (Cisler, Bacon, & Williams, 2009).
● According to the results obtained from the analyses, the interactive effect of the group, and the Stroop type on the attentional bias is not significant based on none of the scoring methods for the two categories. However, based on the reaction time scoring method, the group’s effect is substantial on attentional bias in both dual and triple categories.
● The results indicated that attentional bias analysis, based on the interference effect, does not provide a significant difference between the three groups. Thus it cannot play any significant role in predicting the groups. However, when reaction time is used as the criterion, all three groups of emotional words (suicide, positive and negative) produce a significant difference between the groups.
● It seems that the assessment of attentional bias, using emotional Stroop with respect to suicide-related topics, is not a function of the clinical situation, and other factors, such as the scoring method, are involved. So further extensive investigations should be conducted in this area.
Plain Language Summary
The present research, as the first study in Iran, uses suicide Stroop to predict suicidal behaviors. It aims to analyze the predictability of suicide attempts based on attentional bias in a clinical population (suicidal and non-suicidal) and nonclinical one. The main objective of the present research was to assess and compare the predictive role of attentional bias in suicidal clinical, suicidal non-clinical, and non-clinical patients. Attentional bias, which includes selective allocation of attention resources to some specific aspects of the stimulus, is a cognitive process that helps more to explain and predict suicidal behaviors. In a suicidal person, a semi-conscious and semi-attention bias used to record such stimuli according to the schemas’ content might make the stimuli conquer the person’s attention. Thus, the information related to the stimuli might be processed and selectively encoded in the memory, and this is when the reliable data will be ignored. The results indicated that attentional bias analysis, based on the interference effect, does not provide a significant difference between the three groups. Thus it cannot play any significant role in predicting the groups. However, when reaction time is used as the criterion, all three groups of emotional words (suicide, positive and negative) produce a significant difference between the groups. In the present research, clinical and non-clinical populations studied in suicide Stroop with respect to interference did have a considerable difference. However, they were different in terms of reaction time. Hence, it seems that the assessment of attentional bias, using emotional Stroop with respect to suicide-related topics, is not a function of the clinical situation, and other factors, such as the scoring method, are involved. So, further extensive investigations should be conducted in this area.