Test-retest reliability of value-driven attentional capture.
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abstract
Attention is biased toward learned predictors of reward. The degree to which attention is automatically drawn to arbitrary reward cues has been linked to a variety of psychopathologies, including drug dependence, HIV-risk behaviors, depressive symptoms, and attention deficit/hyperactivity disorder. In the context of addiction specifically, attentional biases toward drug cues have been related to drug craving and treatment outcomes. Given the potential role of value-based attention in psychopathology, the ability to quantify the magnitude of such bias before and after a treatment intervention in order to assess treatment-related changes in attention allocation would be desirable. However, the test-retest reliability of value-driven attentional capture by arbitrary reward cues has not been established. In the present study, we show that an oculomotor measure of value-driven attentional capture produces highly robust test-retest reliability for a behavioral assessment, whereas the response time (RT) measure more commonly used in the attentional bias literature does not. Our findings provide methodological support for the ability to obtain a reliable measure of susceptibility to value-driven attentional capture at multiple points in time, and they highlight a limitation of RT-based measures that should inform the use of attentional-bias tasks as an assessment tool.
