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221.
222.
We examined whether manipulating the imagined consequences of falling would influence the perception of height, distance, and size. In experiment 1, height and size perception were measured when participants stood at a short height (0.89 m) or a medium height (1.91 m) above either an empty pool or a pool filled with a bed of nails. Participants who viewed the bed of nails and imagined falling into it estimated both the height as taller and the size of the bed of nails as larger than participants who imagined falling into an empty pool. In a second experiment, participants overestimated the horizontal ground distance to and across the bed of nails after being told to imagine jumping over it. Overall, these experiments suggest that costs associated with imagined actions can influence the perception of both vertical and horizontal extents that are not inherently dangerous. 相似文献
223.
Tad T. Brunyé Eliza K. Walters Tali Ditman Stephanie A. Gagnon Caroline R. Mahoney Holly A. Taylor 《Cognitive Science》2012,36(8):1449-1467
The present studies examined whether implied tactile properties during language comprehension influence subsequent direct tactile perception, and the specificity of any such effects. Participants read sentences that implicitly conveyed information regarding tactile properties (e.g., Grace tried on a pair of thick corduroy pants while shopping) that were either related or unrelated to fabrics and varied in implied texture (smooth, medium, rough). After reading each sentence, participants then performed an unrelated rating task during which they felt and rated the texture of a presented fabric. Results demonstrated that the texture properties implied in sentences influence direct tactile perception. Specifically, after reading about a smooth or rough texture, subsequent fabric ratings became notably smoother or rougher, respectively. However, we also show that there was some specificity to these effects: Fabric‐related sentences elicited more specific and interactive effects on subsequent ratings. Together, we demonstrate that under certain circumstances, language comprehension can prime tactile representations and affect direct tactile perception. Results are discussed with regard to the nature and scope of multimodal mental simulation during reading. 相似文献
224.
This study examined the role of sympathetic nerves in the control of cerebral hemodynamics during air-jet stress. In adult male Sprague-Dawley rats, blood flow velocity (pulsed Doppler) was measured in both internal carotid arteries 1 week after excision of one superior cervical ganglion. Blood pressure (BP) and carotid blood flows (CBFs) were simultaneously recorded during exposure to air-jet stress. In 5 out of 13 rats, stress was applied after β(2)-adrenoceptor blockade with ICI 118551 (0.4 mg/kg, then 0.2 mg/kg/h, i.v). Stress evoked an immediate rise in BP, CBFs, and vascular conductances. Vasodilatation was much larger on the denervated side than on the intact side (mean ± SEM: 78 ± 7 versus 19 ± 4%; P < 0.02) and lasted about 10 s. Thereafter, blood flows returned to or near normal and showed parallel variations while BP remained elevated. There was, therefore, a net vasoconstriction on both sides. In ICI 118551-treated rats, the initial vasodilatation was not significantly reduced on the denervated side (64 ± 4%), but the subsequent vasoconstriction was enhanced (P < 0.05) on both sides. In conclusion, air-jet stress evokes an immediate, short-lasting vasodilatation through a mechanism unrelated to β(2)-adrenoceptor stimulation. Sympathetic nerves powerfully limit this phenomenon, and thus contribute to protect the cerebral circulation from stress-induced BP surges. 相似文献
225.
Mindfulness meditation describes a set of different mental techniques to train attention and awareness. Trait mindfulness and extended mindfulness interventions can benefit self-control. The present study investigated the short-term consequences of mindfulness meditation under conditions of limited self-control resources. Specifically, we hypothesized that a brief period of mindfulness meditation would counteract the deleterious effect that the exertion of self-control has on subsequent self-control performance. Participants who had been depleted of self-control resources by an emotion suppression task showed decrements in self-control performance as compared to participants who had not suppressed emotions. However, participants who had meditated after emotion suppression performed equally well on the subsequent self-control task as participants who had not exerted self-control previously. This finding suggests that a brief period of mindfulness meditation may serve as a quick and efficient strategy to foster self-control under conditions of low resources. 相似文献
226.
Guillaume Martinent Matilda Naisseh Claude Ferrand Julien E. Bois Christophe Hautier 《Psychology of sport and exercise》2013,14(5):719-727
ObjectivesThe purpose of the present study was to develop and psychometrically evaluate a new measure of parental perceptions grounded in the Eccles' parental socialization framework: the Parents' Perceptions of Physical Activity Importance and their Children's Ability Questionnaire (PPPAICAQ).DesignCross-sectional with self-reported questionnaires.MethodThe total sample comprised 1100 parents of children (6–11 years old) and was randomly divided in third (one calibration and two validation samples). Data were analyzed with reliability, confirmatory factor analyses (CFA), multi-group CFAs as well as with correlational analyses.ResultsResults of the initial confirmatory factor analyses (CFAs) of the 2-factor 12-item model on the calibration sample resulted in a poor fit to the data. Re-estimation of the PPPAICAQ resulted in the deletion of 4 initial items. The 2-factor 8-item model revealed a good fit to the data for the three samples. Results of two multiple-group CFAs showed that the final model was partially invariant across the father and mother as well as the boy and girl samples. The patterns of relationships between parents' motivation, parents' support and the PPPAICAQ subscales provided evidence for the criterion-related validity of the PPPAICAQ.ConclusionThis study provided support for the reliability and validity of the PPPAICAQ. The PPPAICAQ is an instrument that will be useful for theoretically-driven research on parental socialization influence on children’ PA. 相似文献
227.
Klaus Fiedler Claude Messner Matthias Bluemke 《European Review of Social Psychology》2013,24(1):74-147
The Implicit Association Test (IAT) had already gained the status of a prominent assessment procedure before its psychometric properties and underlying task structure were understood. The present critique addresses five major problems that arise when the IAT is used for diagnostic inferences: (1) the asymmetry of causal and diagnostic inferences; (2) the viability of the underlying association model; (3) the lack of a testable model underlying IAT-based inferences; (4) the difficulties of interpreting difference scores; and (5) the susceptibility of the IAT to deliberate faking and strategic processing. Based on a theoretical reflection of these issues, and a comprehensive survey of published IAT studies, it is concluded that a number of uncontrolled factors can produce (or reduce) significant IAT scores independently of the personality attribute that is supposed to be captured by the IAT procedure. 相似文献
228.
Émilie Sandrin Claude Fernet Clément Depint-Rouault Monique Leloup Dominique Portenard 《Anxiety, stress, and coping》2013,26(5):568-580
ABSTRACTBackground and Objectives: Although workaholism has been associated with job performance, the mechanisms that explain this relationship remain unclear. In this study, we investigated the conditional indirect effects of workaholism on performance via emotional exhaustion, across low and high levels of supervisor recognition.Methods: We conducted an empirical cross-sectional study using a sample of 1028 volunteer firefighters who completed a self-report questionnaire assessing workaholism, emotional exhaustion, work performance, and supervisor recognition.Results: Tests of latent interactions were performed using the latent moderated structural equation modeling approach. Consistent with our predictions, results revealed that the negative indirect effects of workaholism on performance, through emotional exhaustion, were stronger when supervisor recognition was low.Conclusions: Theorical contributions and perspectives, as well as implications for practice are discussed. 相似文献
229.
Abstract (Hilgard, E. R., &; Marquis, D. G. Conditioning and Learning. New York: Appleton-Century, 1940. Pp. 429.) 相似文献
230.
Raymond H. Baillargeon Alexandre Morisset Kate Keenan Claude L. Normand Suganthiny Jeyaganth Michel Boivin 《The Journal of genetic psychology》2013,174(3):221-251
Researchers know relatively little about the normative development of children's behaviors aimed at alleviating distress or discomfort in others. In this article, the authors aim to describe the continuity and discontinuity in the degree to which young children in the general population are reported to exhibit specific prosocial behaviors. Data came from the Québec Longitudinal Study of Child Development. Consistent with Hay's model of prosocial development, the results show that there were about as many children who stopped exhibiting prosocial behaviors between 29 and 41 months of age as there were children who started doing so during this period. Further, gender differences (girls > boys) in prosocial behaviors are either emerging or at least increasing in magnitude, with girls being more likely to start and boys being more likely to stop exhibiting these behaviors between 29 and 41 months of age. Consistent with the early-onset hypothesis, children who exhibit prosocial behaviors at 17 months of age are less likely to stop exhibiting the same behaviors between 29 and 41 months of age. Otherwise, if they did not exhibit prosocial behaviors at 29 months of age, they are also more likely to start doing so in the following year. 相似文献