Katherine R Marks1, Erika Pike1, William W Stoops2, Craig R Rush3. 1. University of Kentucky, College of Arts and Sciences, Department of Psychology, 110 Kastle Hall, Lexington, KY 40506-0044, USA; University of Kentucky, College of Medicine, Department of Behavioral Science, 140 Medical Behavioral Science Building, Lexington, KY 40536-0086, USA. 2. University of Kentucky, College of Arts and Sciences, Department of Psychology, 110 Kastle Hall, Lexington, KY 40506-0044, USA; University of Kentucky, College of Medicine, Department of Behavioral Science, 140 Medical Behavioral Science Building, Lexington, KY 40536-0086, USA; University of Kentucky, College of Medicine, Department of Psychiatry, 245 Fountain Court, Lexington, KY 40509, USA. 3. University of Kentucky, College of Arts and Sciences, Department of Psychology, 110 Kastle Hall, Lexington, KY 40506-0044, USA; University of Kentucky, College of Medicine, Department of Behavioral Science, 140 Medical Behavioral Science Building, Lexington, KY 40536-0086, USA; University of Kentucky, College of Medicine, Department of Psychiatry, 245 Fountain Court, Lexington, KY 40509, USA. Electronic address: crush2@email.uky.edu.
Abstract
BACKGROUND: Stimuli associated with cocaine use capture attention. Evidence suggests that fixation time measured on the visual probe task is a valid measure of cocaine cue attentional bias. The aim of this experiment was to demonstrate the test-retest reliability of cocaine cue attentional bias as measured by fixation time during the visual probe task. METHODS: In a within-subject, repeated-measures design, thirty-six non-treatment seeking cocaine-using adults completed a visual probe task with eye tracking. RESULTS: Participants displayed an attentional bias to cocaine-related images as measured by fixation time across two occasions (F (1, 35) = 56.5, p < 0.0001). A Pearson correlation indicated significant test-retest reliability for this effect (r = 0.51, p = 0.001). Response time failed to detect an attentional bias and test-retest reliability was low (r = 0.24, p = 0.16). CONCLUSION: Fixation time during the visual probe task is a reliable measure of cocaine cue attentional bias in cocaine-using adults across time.
BACKGROUND: Stimuli associated with cocaine use capture attention. Evidence suggests that fixation time measured on the visual probe task is a valid measure of cocaine cue attentional bias. The aim of this experiment was to demonstrate the test-retest reliability of cocaine cue attentional bias as measured by fixation time during the visual probe task. METHODS: In a within-subject, repeated-measures design, thirty-six non-treatment seeking cocaine-using adults completed a visual probe task with eye tracking. RESULTS:Participants displayed an attentional bias to cocaine-related images as measured by fixation time across two occasions (F (1, 35) = 56.5, p < 0.0001). A Pearson correlation indicated significant test-retest reliability for this effect (r = 0.51, p = 0.001). Response time failed to detect an attentional bias and test-retest reliability was low (r = 0.24, p = 0.16). CONCLUSION: Fixation time during the visual probe task is a reliable measure of cocaine cue attentional bias in cocaine-using adults across time.
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