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641.
Michael Bang Petersen Lene Aarøe Niels Holm Jensen Oliver Curry 《Political psychology》2014,35(6):757-773
Do politically irrelevant events influence important policy opinions? Previous research on social welfare attitudes has emphasized the role of political factors such as economic self‐interest and ideology. Here, we demonstrate that attitudes to social welfare are also influenced by short‐term fluctuations in hunger. Using theories in evolutionary psychology, we predict that hungry individuals will be greedier and take more resources from others while also attempting to induce others to share by signaling cooperative intentions and expressing support for sharing, including evolutionarily novel forms of sharing such as social welfare. We test these predictions using self‐reported hunger data as well as comparisons of subjects who participated in relevant online studies before and after eating lunch. Across four studies collected in two different welfare regimes—the United Kingdom and Denmark—we consistently find that hungry individuals act in a greedier manner but describe themselves as more cooperative and express greater support for social welfare. 相似文献
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Ståle Pallesen Olav K. Olsen Elisabeth M. Eide Benedicte Nortvedt Janne Grønli Frank Larøi 《Military psychology》2018,30(5):430-436
Much anecdotal evidence suggests that sleep deprivation not only impairs performance, but also brings about other extraordinary effects like hallucinations. However, knowledge about how sleep deprivation may trigger hallucinations is limited. To qualitatively describe hallucinatory experiences during sleep deprivation 12 male military officers from the Norwegian Armed Forces who all had experienced at least one sleep loss-induced hallucinatory experience were recruited. Data were collected and analyzed by semi-structured interviews and thematic analysis. This resulted in the identification of three distinct main themes: (1) Modalities, (2) circumstances/triggers and (3) reactions to hallucinations. Hallucinations were experienced in several modalities (visual, auditory and multi-modality), although visual hallucinations seemed to dominate. Typical reported circumstances/triggers were sleep loss, physical exhaustion, time-of-day, low calorie intake, mental exhaustion and lack of external stimuli (low sensory and social input, boring situations, and monotonous activity). Negative emotions were dominant during the hallucinatory episodes. Often some reasoning and checking on behalf of the officers were necessary to differentiate between real percepts and hallucinations. In some cases the hallucinations caused erroneous actions. Retrospectively, most officers viewed their hallucinatory experiences in light of positive emotions and several emphasized having learned something from them. The results are discussed in relation to the existing literature and suggestions for future studies are outlined. 相似文献
645.
Cecilie Møller Andreas Højlund Klaus B. Bærentsen Niels Chr. Hansen Joshua C. Skewes Peter Vuust 《Attention, perception & psychophysics》2018,80(4):999-1010
Perception is fundamentally a multisensory experience. The principle of inverse effectiveness (PoIE) states how the multisensory gain is maximal when responses to the unisensory constituents of the stimuli are weak. It is one of the basic principles underlying multisensory processing of spatiotemporally corresponding crossmodal stimuli that are well established at behavioral as well as neural levels. It is not yet clear, however, how modality-specific stimulus features influence discrimination of subtle changes in a crossmodally corresponding feature belonging to another modality. Here, we tested the hypothesis that reliance on visual cues to pitch discrimination follow the PoIE at the interindividual level (i.e., varies with varying levels of auditory-only pitch discrimination abilities). Using an oddball pitch discrimination task, we measured the effect of varying visually perceived vertical position in participants exhibiting a wide range of pitch discrimination abilities (i.e., musicians and nonmusicians). Visual cues significantly enhanced pitch discrimination as measured by the sensitivity index d’, and more so in the crossmodally congruent than incongruent condition. The magnitude of gain caused by compatible visual cues was associated with individual pitch discrimination thresholds, as predicted by the PoIE. This was not the case for the magnitude of the congruence effect, which was unrelated to individual pitch discrimination thresholds, indicating that the pitch-height association is robust to variations in auditory skills. Our findings shed light on individual differences in multisensory processing by suggesting that relevant multisensory information that crucially aids some perceivers’ performance may be of less importance to others, depending on their unisensory abilities. 相似文献
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Filip Drozd Hans Bugge Bergsund Karianne Thune Hammerstrøm Marit Bergum Hansen Heidi Jacobsen 《Journal of child and family studies》2018,27(2):339-354
Adoption requires thorough preparations prior to the arrival of the child and support post-adoption among parents, to promote a positive parent–child relationship and healthy family functioning. The purpose of our study was, therefore, to systematically review the literature on pre- and post-adoption interventions for caregivers, and determine the possibility for conducting a meta-analysis. We searched 12 electronic databases and identified 7574 references that were considered for inclusion by two independent raters. Articles meeting the following criteria were retrieved in full-text; studies that examined the effects of (a) a pre- and/or post-adoption intervention, (b) against a comparator (including quasi-experimental studies), and (c) report on outcomes for parents. Finally, we included 10 studies that met our inclusion criteria and which were assessed in terms of reported intervention effects and study quality using Cochrane’s Risk of Bias tool. All studies were associated with a high risk of bias in at least one out of seven domains and unclear reporting on several domains. Eight studies examined intervention effects related to interpersonal functioning; three of which found positive effects. In addition, three studies investigated effects on parenting and stress, respectively; however, only one study demonstrated effects on parenting and none on parental stress. Overall, the study designs, interventions, and results were characterized by substantial heterogeneity, making a meta-analysis unfeasible. In conclusion, the results from the included studies in our review does not point in any particular direction. The most consistent finding across studies was the lack of studies on pre-adoption interventions, and poor design and unclear reporting. Consequently, future studies should evaluate pre-adoption interventions, and need to use more rigorous design, transparent and comprehensible reporting, as well as more homogenous interventions and methods, to move the field forward in support of adoptive parents. 相似文献
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BJøRN SÆTREVIK 《Scandinavian journal of psychology》2010,51(4):290-293
Sætrevik, B. (2010). The influence of visual information on auditory lateralization. Scandinavian Journal of Psychology. The classic McGurk study showed that presentation of one syllable in the visual modality simultaneous with a different syllable in the auditory modality creates the perception of a third, not presented syllable. The current study presented dichotic syllable pairs (one in each ear) simultaneously with video clips of a mouth pronouncing the syllables from one of the ears, or pronouncing a syllable that was not part of the dichotic pair. When asked to report the auditory stimuli, responses were shifted towards selecting the auditory stimulus from the side that matched the visual stimulus. 相似文献
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LENE FALGAARD EPLOV JANNE PETERSEN TORBEN JøRGENSEN CHRISTOFFER JOHANSEN MORTEN BIRKET‐SMITH ANN CHRISTINE LYNGBERG ERIK LYKKE MORTENSEN 《Scandinavian journal of psychology》2010,51(6):548-554
Eplov, L.F., Petersen, J., Jørgensen, T., Johansen, C., Birket‐Smith, M., Lyngberg, A. C. & Mortensen, E. L. (2010). The Mental Vulnerability Questionnaire: A psychometric evaluation. Scandinavian Journal of Psychology 51, 548–554. The Mental Vulnerability Questionnaire was originally a 22 item scale, later reduced to a 12 item scale. In population studies the 12 item scale has been a significant predictor of health and illness. The scale has not been psychometrically evaluated for more than 30 years, and the aim of the present study was both to evaluate the psychometric properties of the 22 and 12 item scales and of three new scales. The main study sample was a community sample comprising more than 6,000 men and women. In this sample the coefficients of homogeneity were all over 0.30 for the three new scales, but below 0.30 for the 12 and the 22 item scales. All five Mental Vulnerability scales had positively skewed score distributions which were associated significantly with both SCL‐90‐R symptom scores and NEO‐PI‐R personality scales (primarily Neuroticism and Extraversion). Coefficient alpha was highest for the 22 and 12 item scales, and the two scales also showed the highest long‐term stability. The three new scales reflect relatively independent dimensions of Psychosomatic Symptoms, Mental Symptoms, and Interpersonal Problems, but because of reliability problems it remains an open question whether they will prove useful as predictors of health and morbidity. 相似文献