Implementation of the diffusion model on dot-probe task performance in children with behavioral inhibition

Area of Science:

• Cognitive psychology
• Neuroscience
• Child development

Background:

• Attentional bias to threat is linked to behavioral inhibition and anxiety.
• The dot-probe task is a common measure but has reliability issues.
• Sequential sampling models offer a potential way to improve cognitive task analysis.

Purpose of the Study:

• To evaluate if sequential sampling models enhance the dot-probe task's reliability and validity.
• To examine the association between attentional bias, neural signals, and behavioral inhibition in children.
• To assess test-retest reliability and cueing effects using a diffusion model approach.

Main Methods:

• 120 children (9-12 years) completed the dot-probe task twice.
• Event-related potentials (ERPs) were recorded during the second task administration.
• Performance data were analyzed using traditional methods and a sequential sampling (diffusion) model.

Main Results:

• Neither traditional nor diffusion model measures correlated with behavioral inhibition.
• No associations were found between performance measures and N1, P2, or N2 ERP amplitudes.
• Test-retest reliability for attentional bias scores was poor across both measurement approaches.

Conclusions:

• The dot-probe task demonstrates inadequate reliability and validity for assessing attentional bias.
• Sequential sampling models did not improve the dot-probe task's psychometric properties.
• Findings support moving away from the dot-probe task as a sole measure of attentional bias.