Cognitive Biase in Illness Anxiety Disorder: Attentional Bias, Interpretation Bias, and Memory Bias

Authors
Ferdowsi University of Mashhad
Abstract
Cognitive biases are influential factors in explaining illness anxiety disorder, and understanding the existing biases in this disorder can contribute to more effective treatments. This study was conducted to examine the biases of attention, interpretation, and memory in individuals with and without illness anxiety disorder. The sample consisted of 142 participants who voluntarily participated in the research from across the country. In this study, differences in information processing between the two groups were assessed using the Health Anxiety Questionnaire, Beck Depression Inventory, and computer-based tasks measuring attention bias, interpretation, and memory. The data obtained from the research were analyzed using independent t-tests and analysis of covariance (ANCOVA) with the statistical software SPSS 26.The results showed that individuals with illness anxiety disorder had a greater tendency to focus on threatening cues compared to those without the disorder and interpreted ambiguous health-related information more negatively. However, no significant differences were observed between the two groups regarding positive interpretation bias. Additionally, individuals with illness anxiety recalled disease-related information more effectively. The findings indicate that individuals with illness anxiety display biases in attention, negative interpretation, and memory concerning health-related information. This research emphasizes the importance of identifying and targeting these biases in psychological treatments and suggests employing intervention methods such as cognitive bias modification to directly affect these biases due to their role in the formation and persistence of illness anxiety.
Keywords

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