Mindset theory suggests that a deliberative mindset entails openness to information in one's environment, whereas an implemental mindset entails filtering of information. We hypothesized that this open- versus closed-mindedness influences individuals' breadth of visual attention. In Studies 1 and 2, we induced an implemental or deliberative mindset, and measured breadth of attention using participants' length estimates of x-winged Müller-Lyer figures. Both studies demonstrate a narrower breadth of attention in the implemental mindset than in the deliberative mindset. In Study 3, we manipulated participants' mindsets and measured the breadth of attention by tracking eye movements during scene perception. Implemental mindset participants focused on foreground objects, whereas deliberative mindset participants attended more evenly to the entire scene. Our findings imply that deliberative versus implemental mindsets already operate at the level of visual attention.
This research focuses on the attentional processes that underlie buying impulsiveness. It was hypothesized that impulsive buyers are more likely than nonimpulsive buyers to get distracted by products that are unrelated to their shopping goal. The study applied a 2 (buying impulsiveness low vs. high) Â 2 (shopping vs. nonshopping context) Â 2 (product vs. nonsemantic distractors) mixed design. Participants' attention allocation was measured via eye tracking during a visual distraction paradigm. The results support the distraction hypothesis. Impulsive buyers allocated less attention to a focal product than nonimpulsive buyers. The effect was context-specific and emerged only when the task was framed as a shopping situation. The results show that distraction is not limited to attractive products and suggest that it is driven by a general attentional openness for products in shopping situations.
Objective
Across various axis-1 disorders, the severity of dissociative symptoms is significantly related to a history of childhood traumatization. Thus, the question arises if coping with childhood trauma leads to neural adaptations that enhance the frequency of dissociative processing during adulthood. The aim of the two reported studies therefore was to identify and replicate gray matter alterations associated with dissociation.
Methods and Results
In a first study, whole-brain MRI data were acquired for 22 female in-patients with trauma-spectrum disorders and a history of severe childhood trauma. Voxel-based morphometry (VBM) was carried out to test for significant correlations between dissociation (depersonalization/derealization) severity and gray matter volume. Dissociation severity was positively associated with volume in the left angular gyrus. This result was diagnosis-invariant. The replication study involved 26 female in-patients with trauma-spectrum disorders and 25 healthy controls. No significant association between dissociation severity and brain volume in a left angular gyrus region of interest located at the peak identified in study 1 was identified and no significant group difference in this region could be established.
Conclusion
The angular gyrus has previously been implicated in the processing of agency and vestibular integration as well as dissociative processing. The current attempt at a direct replication of brain volume alterations however, failed. The data thus only partially support the notion that dissociative processing is associated
trans
-diagnostically with structural brain alterations in the left angular gyrus and independent replication in a larger patient sample is essential.
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