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- Holmes, Emily A., et al.
(författare)
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Trauma films, information processing, and intrusive memory development
- 2004
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Ingår i: Journal of experimental psychology. General. - : AMER PSYCHOLOGICAL ASSOC. - 0096-3445 .- 1939-2222. ; 133:1, s. 3-22
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Tidskriftsartikel (refereegranskat)abstract
- Three experiments indexed the effect of various concurrent tasks, while watching a traumatic film, on intrusive memory development. Hypotheses were based on the dual-representation theory of Posttraumatic stress disorder (C. R. Brewin, T. Dalgleish, & S. Joseph, 1996). Nonclinical participants viewed a trauma film under various encoding conditions and recorded any spontaneous intrusive memories of the film over the following week in a diary. Changes in state dissociation, heart rate, and mood were also measured. As predicted, performing a visuospatial pattern tapping task at encoding significantly reduced the frequency of later intrusions, whereas a verbal distraction task increased them. Intrusive memories were largely unrelated to recall and recognition measures. Increases in dissociation and decreases in heart rate during the film were also associated with later intrusions.
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| 6. |
- Asutay, Erkin, 1982, et al.
(författare)
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Emotional Bias in Change Deafness in Multisource Auditory Environments
- 2014
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Ingår i: Journal of experimental psychology. General. - : American Psychological Association. - 0096-3445 .- 1939-2222. ; 143:1, s. 27-32
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Tidskriftsartikel (refereegranskat)abstract
- Theories of auditory attention suggest that humans decompose complex auditory input into individual auditory objects, which then compete for attention to dominate auditory perception. Since emotional significance of external stimuli has been argued to provide cues for sensory prioritization and allocation of attention, emotionally salient auditory objects can receive attention to dominate auditory perception. On the basis of the function of audition as an alarm system that informs the organism about its immediate surroundings, and on empirical evidence that emotion can modulate auditory perception, we argue that auditory stimuli with greater emotional saliency would dominate perception in multisource environments. To test our hypothesis, we employed a change detection task in which participants were asked to indicate whether multisource auditory scenes were identical or different. Participants were better at detecting changes at the presence of an emotionally negative environment compared to neutral environment. Further, we found that participants were better at detecting changes of emotionally negative targets compared to neutral targets. Our results demonstrate that detecting changes in auditory scenes is influenced by emotion. The findings are discussed in the light of the theories of auditory attention, emotional modulation of attention, and the adaptive function of emotion for perception.
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| 7. |
- Basieva, Irina, et al.
(författare)
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True Contextuality Beats Direct Influences in Human Decision Making
- 2019
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Ingår i: Journal of experimental psychology. General. - : American Psychological Association (APA). - 0096-3445 .- 1939-2222. ; 148:11, s. 1925-1937
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Tidskriftsartikel (refereegranskat)abstract
- In quantum physics there are well-known situations when measurements of the same property in different contexts (under different conditions) have the same probability distribution but cannot be represented by one and the same random variable. Such systems of random variables are called contextual. More generally, true contextuality is observed when different contexts force measurements of the same property (in psychology, responses to the same question) to be more dissimilar random variables than warranted by the difference of their distributions. The difference in distributions is itself a form of context-dependence but of another nature: it is attributable to direct causal influences exerted by contexts upon the random variables. The Contextuality-by-Default theory allows one to separate true contextuality from direct influences in the overall context-dependence. The Contextuality-by-Default analysis of numerous previous attempts to demonstrate contextuality in human judgments shows that all context-dependence in them can be accounted for by direct influences, with no true contextuality present. However, contextual systems in human behavior can be found. In this paper we present a series of crowd-sourcing experiments that exhibit true contextuality in simple decision making. The design of these experiments is an elaboration of one introduced in the Snow Queen experiment (Decision 5, 193-204, 2018), in which contextuality was for the first time demonstrated unequivocally.
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| 8. |
- Bergh, Robin, 1983-, et al.
(författare)
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The group-motivated sampler
- 2019
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Ingår i: Journal of experimental psychology. General. - : American Psychological Association. - 0096-3445 .- 1939-2222. ; 148:5, s. 845-862
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Tidskriftsartikel (refereegranskat)abstract
- Does ingroup favoritism reflect experience or some preset motivation? The latter possibility is well examined in social psychology, but models from cognitive psychology suggest that unrepresentative samples of experience can generate biases even in the absence of motivational concerns. It remains unclear, however, how motivation and initially sampled experiences interact when both influences are possible, and people encounter new groups. Extending classic arguments about motivated information gathering, we propose that people can be described as “group-motivated samplers”—marked by a tendency to primarily seek out information about one’s own group, and to attend more to information that portrays the ingroup in a positive light. Four experiments showed that information seeking almost always starts with the ingroup, and that people chose to gather more information from the ingroup compared to an outgroup. In subsequent group evaluations, people were excessively positive about ingroups giving a good initial impression. Participants were also fairly accurate, on average, about the direction and magnitude of group differences when the ingroup was de facto better, but downplayed those differences in the opposite situation. Further analyses indicated that first experiences led to biased evaluations because people failed to discount for nonrepresentative (positive) ingroup experiences, whereas interpretive biases seem responsible for evaluations based on belonging to a better/worse performing group. Taken together, while social psychologists know that people tend to portray ingroups in a flattering light, we show how people selectively incorporate early experiences to build those impressions.
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| 9. |
- Brown, Nicholas, 1960-, et al.
(författare)
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Emodiversity : Robust Predictor of Outcomes or Statistical Artifact?
- 2017
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Ingår i: Journal of experimental psychology. General. - : American Psychological Association (APA). - 0096-3445 .- 1939-2222. ; 146:9, s. 1372-1378
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Tidskriftsartikel (refereegranskat)abstract
- This article examines the concept of emodiversity, put forward by Quoidbach et al. (2014) as a novel source of information about "the health of the human emotional ecosystem" (p. 2057). Quoidbach et al. drew an analogy between emodiversity as a desirable property of a person's emotional make-up and biological diversity as a desirable property of an ecosystem. They claimed that emodiversity was an independent predictor of better mental and physical health outcomes in two large-scale studies. Here, we show that Quoidbach et al.'s construct of emodiversity suffers from several theoretical and practical deficiencies, which make these authors' use of Shannon's (1948) entropy formula to measure emodiversity highly questionable. Our reanalysis of Quoidbach et al.' s two studies shows that the apparently substantial effects that these authors reported are likely due to a failure to conduct appropriate hierarchical regression in one case and to suppression effects in the other. It appears that Quoidbach et al.' s claims about emodiversity may reduce to little more than a set of computational and statistical artifacts.
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| 10. |
- Bylund, Emanuel, et al.
(författare)
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The Whorfian Time Warp : Representing Duration Through the Language Hourglass
- 2017
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Ingår i: Journal of experimental psychology. General. - : American Psychological Association (APA). - 0096-3445 .- 1939-2222. ; 146:7, s. 911-916
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Tidskriftsartikel (refereegranskat)abstract
- How do humans construct their mental representations of the passage of time? The universalist account claims that abstract concepts like time are universal across humans. In contrast, the linguistic relativity hypothesis holds that speakers of different languages represent duration differently. The precise impact of language on duration representation is, however, unknown. Here, we show that language can have a powerful role in transforming humans' psychophysical experience of time. Contrary to the universalist account, we found language-specific interference in a duration reproduction task, where stimulus duration conflicted with its physical growth. When reproducing duration, Swedish speakers were misled by stimulus length, and Spanish speakers were misled by stimulus size/quantity. These patterns conform to preferred expressions of duration magnitude in these languages (Swedish: long/short time; Spanish: much/small time). Critically, Spanish-Swedish bilinguals performing the task in both languages showed different interference depending on language context. Such shifting behavior within the same individual reveals hitherto undocumented levels of flexibility in time representation. Finally, contrary to the linguistic relativity hypothesis, language interference was confined to difficult discriminations (i.e., when stimuli varied only subtly in duration and growth), and was eliminated when linguistic cues were removed from the task. These results reveal the malleable nature of human time representation as part of a highly adaptive information processing system.
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