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241.
Subscales of the Barratt Impulsiveness Scale differentially relate to the Big Five factors of personality
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Florian Lange Adina Wagner Astrid Müller Frank Eggert 《Scandinavian journal of psychology》2017,58(3):254-259
The place of impulsiveness in multidimensional personality frameworks is still unclear. In particular, no consensus has yet been reached with regard to the relation of impulsiveness to Neuroticism and Extraversion. We aim to contribute to a clearer understanding of these relationships by accounting for the multidimensional structure of impulsiveness. In three independent studies, we related the subscales of the Barratt Impulsiveness Scale (BIS) to the Big Five factors of personality. Study 1 investigated the associations between the BIS subscales and the Big Five factors as measured by the NEO Five‐Factor Inventory (NEO‐FFI) in a student sample (N = 113). Selective positive correlations emerged between motor impulsiveness and Extraversion and between attentional impulsiveness and Neuroticism. This pattern of results was replicated in Study 2 (N = 132) using a 10‐item short version of the Big Five Inventory. In Study 3, we analyzed BIS and NEO‐FFI data obtained from a sample of patients with pathological buying (N = 68). In these patients, the relationship between motor impulsiveness and Extraversion was significantly weakened when compared to the non‐clinical samples. At the same time, the relationship between attentional impulsiveness and Neuroticism was substantially stronger in the clinical sample. Our studies highlight the utility of the BIS subscales for clarifying the relationship between impulsiveness and the Big Five personality factors. We conclude that impulsiveness might occupy multiple places in multidimensional personality frameworks, which need to be specified to improve the interpretability of impulsiveness scales. 相似文献
242.
Inducing Thought Processes: Bringing Process Measures and Cognitive Processes Closer Together
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Michael Schulte‐Mecklenbeck Anton Kühberger Benjamin Gagl Florian Hutzler 《决策行为杂志》2017,30(5):1001-1013
The challenge in inferring cognitive processes from observational data is to correctly align overt behavior with its covert cognitive process. To improve our understanding of this overt–covert mapping in the domain of decision making, we collected eye‐movement data during decisions between gamble‐problems. Participants were either free to choose or instructed to use a specific choice strategy (maximizing expected value or a choice heuristic). We found large differences in looking patterns between free and instructed choices. Looking patterns provided no support for the common assumption that attention is equally distributed between outcomes and probabilities, even when participants were instructed to maximize expected value. Eye‐movement data are to some extent ambiguous with respect to underlying cognitive processes. Copyright © 2017 John Wiley & Sons, Ltd. 相似文献
243.
Participants were German dyslexic readers (13-year-olds) who-compared to English dyslexic readers-suffer mainly from slow laborious reading and less from reading errors. The eye movements of eleven dyslexic boys and age-matched controls were recorded during reading of text passages and pseudoword lists. For both text and pseudoword reading, the dyslexic readers exhibited more and much longer fixations, but relatively few regressions. Increased length of words and pseudowords led to a greater increase in number of fixations for dyslexic than normal readers. Comparisons across studies suggest that the present German dyslexic eye movement findings differ from English-based findings by a lower frequency of regressions (presumably due to the higher regularity of German) and from Italian findings by longer fixation duration (presumably due to the greater syllabic complexity of German). 相似文献
244.
Tversky (1972) has proposed a family of models for paired-comparison data that generalize the Bradley—Terry—Luce (BTL) model
and can, therefore, apply to a diversity of situations in which the BTL model is doomed to fail. In this article, we present
a Matlab function that makes it easy to specify any of these general models (EBA, Pretree, or BTL) and to estimate their parameters.
The program eliminates the time-consuming task of constructing the likelihood function by hand for every single model. The
usage of the program is illustratedby several examples. Features of the algorithm are outlined. The purpose of this article
is to facilitate the use of probabilistic choice models in the analysis of data resulting from paired comparisons. 相似文献
245.
This article examines the relationship between interpersonal ego identity formation and congruence of self-attributed and implicit affiliation motives. A TAT-type picture-story test, the Personality Research Form, and the Extended Objective Measure of Ego Identity Status were administered to 177 participants to assess data on affiliation motivation and interpersonal identity formation. According to a scoring system developed by Winter, the picture stories were coded for need for Affiliation. Analyses revealed that motive congruence is significantly associated with participants' level of identity achievement and identity foreclosure in the interpersonal domain. Such a relationship could not be identified for identity diffusion and moratorium. 相似文献
246.
Involvement of the hippocampal CA3-region in acquisition and in memory consolidation of spatial but not in object information in mice 总被引:3,自引:0,他引:3
This study investigates the implication of the hippocampal CA3-region in the different phases of learning and memory in spatial and non-spatial tasks. For that purpose, we performed focal injections of diethyldithiocarbamate (DDC) into the CA3-region of the dorsal hippocampus. The DDC chelates most of the heavy metals in the brain which blocks selectively and reversibly the synapses containing heavy metals, i.e., the mossy fibres synaptic buttons and synapses of the dendrites of pyramidal cells. The effects of temporal inactivation of the CA3-region was examined in a non-associative task, the spatial open-field, designed to estimate the ability of mice to react to spatial changes, and in the object recognition task, designed to estimate the ability of mice to identify a familiar object. The results show that DDC induced a specific impairment on learning and memory consolidation in the spatial open-field but had no effect on recall in this task. In the object recognition task, DDC did not induce any impairment in the different phases of learning and memory. These data demonstrate that the hippocampal CA3-region is specifically implicated in spatial information processing and seems to be involved not only in acquisition but also in consolidation of spatial information. 相似文献
247.
Post-training intrahippocampal injection of synthetic poly-alpha-2,8-sialic acid-neural cell adhesion molecule mimetic peptide improves spatial long-term performance in mice
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Florian C Foltz J Norreel JC Rougon G Roullet P 《Learning & memory (Cold Spring Harbor, N.Y.)》2006,13(3):335-341
Several data have shown that the neural cell adhesion molecule (NCAM) is necessary for long-term memory formation and might play a role in the structural reorganization of synapses. The NCAM, encoded by a single gene, is represented by several isoforms that differ with regard to their content of alpha-2,8-linked sialic acid residues (PSA) on their extracellular domain. The carbohydrate PSA is known to promote plasticity, and PSA-NCAM isoforms remain expressed in the CA3 region of the adult hippocampus. In the present study, we investigated the effect on spatial memory consolidation of a PSA gain of function by injecting a PSA mimetic peptide (termed pr2) into the dorsal hippocampus. Mice were subjected to massed training in the spatial version of the water maze. Five hours after the last training session, experimental mice received an injection of pr2, whereas control mice received PBS or reverse peptide injections in the hippocampal CA3 region. Memory retention was tested at different time intervals: 24 h, 1 wk, and 4 wk. The results showed that the post-training infusion of pr2 peptide significantly increases spatial performance whenever it was assessed after the training phase. By contrast, administration of the control reverse peptide did not affect retention performance. These findings provide evidence that (1) PSA-NCAM is involved in memory consolidation processes in the CA3 hippocampal region, and (2) PSA mimetic peptides can facilitate the formation of long-term spatial memory when injected during the memory consolidation phase. 相似文献
248.
The present study investigated the nature of the inhibitory syllable frequency effect, recently reported for normal readers, in a German-speaking dyslexic patient. The reading impairment was characterized as a severe deficit in naming single letters or words in the presence of spared lexical processing of visual word forms. Three visual lexical decision experiments were conducted with the dyslexic patient, an unimpaired control person matched to the patient and a control group: Experiment 1 manipulated the frequency of words and word-initial syllables and demonstrated systematic effects of both factors in normal readers and in the dyslexic patient. The syllable frequency effect was replicated in a second experiment with a more strictly controlled stimulus set. Experiment 3 confirmed the patient's deficit in activating phonological forms from written words by demonstrating that a pseudohomophone effect as observed in the unimpaired control participants was absent in the dyslexic patient. 相似文献
249.
Most models of object recognition and mental rotation are based on the matching of an object's 2-D view with representations of the object stored in memory. They propose that a time-consuming normalization process compensates for any difference in viewpoint between the 2-D percept and the stored representation. Our experiment shows that such normalization is less time consuming when it has to compensate for disorientations around the vertical than around the horizontal axis of rotation. By decoupling the different possible reference frames, we demonstrate that this anisotropy of the normalization process is defined not with respect to the retinal frame of reference, but, rather, according to the gravitational or the visuocontextual frame of reference. Our results suggest that the visual system may call upon both the gravitational vertical and the visuocontext to serve as the frame of reference with respect to which 3-D objects are gauged in internal object transformations. 相似文献
250.
Five studies examined the contribution of attachment style to mortality salience effects. In Study 1, mortality salience led to more severe judgments of transgressions only among anxious-ambivalent and avoidant persons but not among secure persons. In addition, whereas anxious-ambivalent persons showed immediate and delayed increases in severity judgments, avoidant persons showed this response only after a delay period. In Study 2, anxious-ambivalent persons showed immediate and delayed increases in death-thought accessibility after death reminders. Avoidant and secure persons showed this effect only after a delay period. Study 3 revealed that worldview defense in response to mortality salience reduced death-thought accessibility only among avoidant persons. Studies 4-5 revealed that mortality salience led to an increase in the sense of symbolic immortality as well as in the desire of intimacy only among secure persons, but not among avoidant and anxious-ambivalent persons. 相似文献