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121.
From the onset of cognitive revolution, the concept of mental imagery has been given different, many times opposing, theoretical accounts. Mental imagery appears to be a ubiquitous, yet wholly individual, easy to explain experience on the one hand, being hard to deal with scientifically on the other hand. The focus of this research is on an enactive approach to visuospatial mental imagery, inspired by Sima’s perceptual instantiation theory. We designed a hybrid computational model, composed of a forward model, an inverse model, both implemented as neural networks, and a memory/controller module, that grounds simple mental concepts, such as a triangle and a square, in perceptual actions, and is able to reimagine these objects by performing the necessary perceptual actions in a simulated humanoid robot. We tested the model on three tasks – salience-based object recognition, imagination-based object recognition and object imagination – and achieved very good results showing, as a proof of concept, that perceptual actions are a viable candidate for grounding the visuospatial mental concepts as well as the credible substrate of visuospatial mental imagery. 相似文献
122.
表象、知觉和记忆是一个整合的认知系统。由于知觉和记忆提供了表象生成的材料,因而三者共享相似的表征,并激活广泛而相似的脑区。然而在认知加工过程上三者存在一定的差异。与知觉相比,表象的编码方式更抽象、更依赖过去经验的参与且处理细节能力更弱;与记忆相比,表象更容易受无关信息的干扰。未来对三者关系的研究应关注不同来源和不同类型的表象与知觉、记忆之间的关系,以及工作记忆在三者关系中所起的作用。 相似文献
123.
Ecological Networks and Community Attachment and Support Among Recently Resettled Refugees
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Brian Soller Jessica R. Goodkind R. Neil Greene Christopher R. Browning Cece Shantzek 《American journal of community psychology》2018,61(3-4):332-343
Interventions aimed at enhancing mental health are increasingly centered around promoting community attachment and support. However, few have examined and tested the specific ecological factors that give rise to these key community processes. Drawing from insights from the ecological network perspective, we tested whether spatial and social overlap in routine activity settings (e.g., work, school, childcare) with fellow ethnic community members is associated with individuals’ attachment to their ethnic communities and access to social resources embedded in their communities. Data on routine activity locations drawn from the Refugee Well‐Being Project (based in a city in the Southwestern United States) were used to reconstruct the ecological networks of recently resettled refugee communities, which were two‐mode networks that comprise individuals and their routine activity locations. Results indicated that respondents’ community attachment and support increased with their ecological network extensity—which taps the extent to which respondents share routine activity locations with other community members. Our study highlights a key ecological process that potentially enhances individuals’ ethnic community attachment that extends beyond residential neighborhoods. 相似文献
124.
Perceptions of Housing and Shelter among People with Histories of Unstable Housing in three Cities in Canada: A Qualitative Study
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125.
Tobias Teismann Thomas Forkmann Julia Brailovskaia Paula Siegmann Heide Glaesmer Jürgen Margraf 《International Journal of Clinical and Health Psychology》2018,18(1):1-7
Background/Objective: Depression and suicide ideation regularly occur together. Yet, little is known about factors that buffer individuals against the development of suicide ideation. The present study investigated, whether positive mental health buffers the association between depression and suicide ideation in a longitudinal study design. Methods: A total of 207 German students (70.3% female; age: M = 26.04, SD = 5.33) were assessed at a baseline evaluation and again twelve months later. Data were collected using self-report questionnaires. Linear hierarchical regression analysis was used to analyze the data. Positive mental health was considered to moderate the impact of depression on suicide ideation – controlling for age and gender. Results: Positive mental health was shown to moderate the impact of depression on suicide ideation: in those students who reported higher levels of positive mental health, depression severity showed no association with suicide ideation over time. Conclusion: Positive mental health seems to confer resilience and should be taken into account, when assessing individuals for suicide risk. 相似文献
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Y. Le Corff E. Yergeau C. Proulx-Bourque M. Busque-Carrier A. Roy-Charland A. Levesque J. Tivendell K. Forget 《Psychologie Fran?aise》2018,63(3):269-275
The aim of the present study was to evaluate the equivalence of the French-Canadian version of the Adult Self-Report (ASR; Achenbach & Rescorla, 2003) to its original English (USA) version. Both the original English version and the newly translated French-Canadian version were administered to 251 bilingual students from four Canadian provinces (Manitoba, New-Brunswick, Ontario, and Quebec), with a one to two weeks interval. Correlations varying from 0.72 to 0.87 indicated a high degree of correspondence between the scales of the two versions. Cohen's d calculated using Morris and DeShon's (2002) formula for within-subjects designs indicate that differences between mean scores varied from near-zero (d = 0.01) to small (d = 0.19), and suggest that they are not clinically significant. Ordinal alpha coefficients for the scales of the French-Canadian version varied from 0.66 to 0.96 but are inferior to those of the English version in seven of the eleven scales. Globally, results indicate that the equivalence of the French-Canadian version to the original English version of the ASR is sufficient to recommend its use. 相似文献
130.
《Scandinavian journal of psychology》2018,59(2):177-185
Many health care professionals have to make morally difficult decisions during acute, stressful situations. The aim was to explore the applicability of an existing qualitatively developed model of individual reactions among professional first responders following such situations using a quantitative approach. According to the model, the interaction of antecedent individual and contextual characteristics affect the immediate emotional reactions to acute, stressful events involving a moral dilemma. Continuous coping efforts and the quality of social support will also affect the long‐term positive and negative reactions to the event. The participants (n = 204, about 50% response rate) represented three Swedish health care professions stationed at a university hospital and a regional hospital: Physicians (n = 50), nurses (n = 94) and “others” (n =60, mainly social welfare officers and assistant nurses). Except for the personality dimension emotional stability which was measured using an established instrument, all measurement scales were operationalizations of codes and categories from the qualitative study (ten scales altogether). Four multiple regression analyses were performed with long‐term positive and negative reactions in everyday acute and morally extremely taxing situations respectively as dependent variables. The outcome showed that long‐term positive reactions covaried with much use of the coping strategies Emotional distancing and Constructive emotional confrontation and a perception of a well‐functioning Formal social support. Regarding long‐term negative reactions, higher age and little use of Emotional distancing accounted for much of the variance. Immediate emotional reactions also contributed significantly. Conclusion: the results largely supported the model concepts and their assumed relationships. 相似文献