Associations between attention and threat in dental settings

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Abstract
Dental fear still causes health risks and high costs for health insurances due to the common avoidance of dental visits by dentally fearful patients. Selective attention may be a potential trigger of dental fear. The aim of the present studies was to investigate the influence of threatening dental stimuli in image combinations on the performance in a visual search task. In three studies, we compared the influence of dental stimuli with pictures of weapons or accidents and different distractors, i.e., cutlery, animals, landscapes. In the first two studies, participants had to decide if a target is available in a 3 × 3 matrix or not. In the third experiment, participants had to decide if a threatening or a neutral stimulus was the target. In all three studies we could replicate the finding that there is a threat-superiority-effect as well as a disengagement-effect for dental stimuli in visual search tasks. Dental stimuli were not only detected faster than deciding that no dental stimulus is available with different distractors, but dental stimuli also decreased search performance within the 3 × 3 matrices when presented as distractors. This is the first paper that demonstrates that dental stimuli that are associated with a negative threatening valence attract attention very quickly in the context of non-threatening stimuli. Future studies should investigate if a distraction from these threatening stimuli or a habituation to these threatening stimuli could reduce dental fear.
Funding Information
  • Medical University of Graz

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