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961.
Mueller A Mueller U Albert P Mertens C Silbermann A Mitchell JE de Zwaan M 《Behaviour research and therapy》2007,45(11):2754-2763
Previous research has indicated that many compulsive buyers also suffer from compulsive hoarding. The present work specifically examined hoarding in a compulsive buying sample. Sixty-six treatment-seeking compulsive buyers were assessed prior to entering a group therapy for compulsive buying using the Compulsive Buying Scale (CBS), the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS)-Shopping Version, the Compulsive Acquisition Scale (CAS), the German-CBS, the Saving Inventory-Revised (SI-R), the Maudsley Obsessive Compulsive Inventory (MOCI), the Barratt Impulsiveness Scale (BIS-11), and the Structured Clinical Interview for DSM-IV Axis I (SCID). Inclusion criteria were current problems with compulsive buying according to the proposed diagnostic criteria for compulsive buying by McElroy, Keck, Pope, Smith, and Strakowski [(1994). Compulsive buying: A report of 20 cases. Journal of Clinical Psychiatry, 55, 242-248]. Our results support the assumption that many but not all compulsive buyers suffer from compulsive hoarding. A significant association between the SI-R and the compulsive buying measures CBS, Y-BOCS-SV, German-CBS, and the CAS-Buy subscale was found, which is mostly caused by the SI-R subscale acquisition. The SI-R subscales clutter and difficulty discarding were more closely associated with the CAS-Free subscale and with obsessive-compulsive symptoms. Hoarding compulsive buyers reported more severe buying symptoms and obsessive-compulsive symptoms and presented with a higher psychiatric co-morbidity, especially any current affective, anxiety and eating disorder. Specific therapeutic interventions for compulsive buyers who also report compulsive hoarding appear indicated. 相似文献
962.
Tiffanie Dujardin Yann Etienne Claire Contentin Christian Bernard Pierre Largy Daniel Mellier Robert Lalonde Mohamed Rebaï 《Brain and cognition》2011
Adults with phonological dyslexia and controls performed a lexical decision task while ERPs were recorded in the occipitotemporal pathway. Based on N170 durations, two subgroups were formed: dysl1 showing longer N170 durations and dysl2 showing normal N170 durations. While the dysl1 subgroup had poorer accuracy for infrequent words and pseudo-words, the dysl2 group responded more slowly than controls to pseudo-words. N170 amplitudes were larger in the left hemisphere for controls irrespective of items. In the dysl1 subgroup, N170 amplitudes were larger in the left hemisphere than the right for words but not for pseudo-words, a sign of hemispheric compensation, while in the dysl2 subgroup signs of bilateralization were observed. Moreover, in the dysl1 subgroup, P100 amplitudes were smaller than controls. These results indicate different behavioral profiles of dyslexics with different patterns of P100 and N170 components. The ERP changes may be due to different behavioral strategies employed by each subgroup, logographic in dysl2 and phonological in dysl1. 相似文献
963.
964.
In the visual world paradigm as used in psycholinguistics, eye gaze (i.e. visual orienting) is measured in order to draw conclusions about linguistic processing. However, current theories are underspecified with respect to how visual attention is guided on the basis of linguistic representations. In the visual search paradigm as used within the area of visual attention research, investigators have become more and more interested in how visual orienting is affected by higher order representations, such as those involved in memory and language. Within this area more specific models of orienting on the basis of visual information exist, but they need to be extended with mechanisms that allow for language-mediated orienting. In the present paper we review the evidence from these two different – but highly related – research areas. We arrive at a model in which working memory serves as the nexus in which long-term visual as well as linguistic representations (i.e. types) are bound to specific locations (i.e. tokens or indices). The model predicts that the interaction between language and visual attention is subject to a number of conditions, such as the presence of the guiding representation in working memory, capacity limitations, and cognitive control mechanisms. 相似文献
965.
Stefan Schulz‐Hardt Frank Vogelgesang Felix Pfeiffer Andreas Mojzisch Birgit Thurow‐Kröning 《决策行为杂志》2010,23(4):404-420
Entrapment occurs if people persist with losing courses of action. In two experiments, we show how elaborating social feedback (i.e., premature praise or forewarning regarding the chosen course of action) can have paradoxical effects on entrapment. The participants acted as head of a translation department and had to choose one out of four possible translation strategies for their employees. After choosing, they read four arguments (presumably written by former participants) which were either all in favor of the strategy chosen, all against it, or mixed. Half of the participants only read these arguments, whereas the other half elaborated on them by providing written comments (Experiment 1). The results showed that elaborating on other persons' arguments led to stronger entrapment, independently of whether the arguments were positive or negative. This pattern was due to biased argument processing: Whereas confirming thoughts were generated for positive arguments, negative arguments were refuted. Experiment 2 confirmed that this biased argument processing caused subsequent entrapment. These results indicate that elaborating any type of argument can lead to heightened entrapment and, hence, forewarning can backfire. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
966.
"Semantic priming" refers to the phenomenon that people react faster to target words preceded by semantically related rather than semantically unrelated words. We wondered whether momentary mind sets modulate semantic priming for natural versus artifactual categories. We interspersed a category priming task with a second task that required participants to react to either the perceptual or action features of simple geometric shapes. Focusing on perceptual features enhanced semantic priming effects for natural categories, whereas focusing on action features enhanced semantic priming effects for artifactual categories. In fact, significant priming effects emerged only for those categories thought to rely on the features activated by the second task. This result suggests that (a) priming effects depend on momentary mind set and (b) features can be weighted flexibly in concept representations; it is also further evidence for sensory-functional accounts of concept and category representation. 相似文献
967.
968.
969.
Participation is an important factor in team success. We propose a new metric of participation equality that provides an unbiased
estimate across groups of different sizes and across those that change size over time. Using 11 h of transcribed utterances
from informal, fluid, colocated workgroup meetings, we compared the associations of this metric with coded equality of participation
and standard deviation. While coded participation and our metric had similar patterns of findings, standard deviation had
a somewhat different pattern, suggesting that it might lead to incorrect assessments with fluid teams. Exploratory analyses
suggest that, as compared with mixed-age/status groups, groups of younger faculty had more equal participation and that the
presence of negative affect words was associated with more dominated participation. Future research can take advantage of
this new metric to further theory on team processes in both face-to-face and distributed settings. 相似文献
970.
The main goal of this work is to determine whether a computer mouse can be used as a low-cost device for the acquisition of
two-dimensional human movement velocity signals in the context of psychophysical studies and biomedical applications. A comprehensive
overview of the related literature is presented, and the problem of characterizing mouse movement acquisition is analyzed
and discussed. Then, the quality of velocity signals acquired with this kind of device is measured on horizontal oscillatory
movements by comparing the mouse data to the signals acquired simultaneously by a video motion tracking system and a digitizing
tablet. A synthesis of the information gathered in this work indicates that the computer mouse can be used for the reliable
acquisition of biosignals in the context of human movement studies, particularly for many applications dealing with the velocity
of the end effector of the upper limb. This paper concludes by discussing the possibilities and limitations of such use. 相似文献