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371.
Natural concepts in a juvenile gorilla (gorilla gorilla gorilla) at three levels of abstraction
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The extent to which nonhumans are able to form conceptual versus perceptual discriminations remains a matter of debate. Among the great apes, only chimpanzees have been tested for conceptual understanding, defined as the ability to form discriminations not based solely on simple perceptual features of stimuli, and to transfer this learning to novel stimuli. In the present investigation, a young captive female gorilla was trained at three levels of abstraction (concrete, intermediate, and abstract) involving sets of photographs representing natural categories (e.g., orangutans vs. humans, primates vs. nonprimate animals, animals vs. foods). Within each level of abstraction, when the gorilla had learned to discriminate positive from negative exemplars in one set of photographs, a novel set was introduced. Transfer was defined in terms of high accuracy during the first two sessions with the new stimuli. The gorilla acquired discriminations at all three levels of abstraction but showed unambiguous transfer only with the concrete and abstract stimulus sets. Detailed analyses of response patterns revealed little evidence of control by simple stimulus features. Acquisition and transfer involving abstract stimulus sets suggest a conceptual basis for gorilla categorization. The gorilla's relatively poor performance with intermediate-level discriminations parallels findings with pigeons, and suggests a need to reconsider the role of perceptual information in discriminations thought to indicate conceptual behavior in nonhumans. 相似文献
372.
373.
MacDonald TK Fong GT Zanna MP Martineau AM 《Journal of personality and social psychology》2000,78(4):605-619
We tested 2 competing theories about the effects of alcohol on intentions to engage in risky behavior. Disinhibition predicts that intoxicated people will exhibit risky behavior regardless of environmental cues, whereas alcohol myopia (C. M. Steele & R. A. Josephs, 1990) predicts that intoxicated people will be more or less likely to exhibit risky behavior, depending on the cues provided. In 4 studies, we found an interaction between intoxication and cue type. When impelling cues were present, intoxicated people reported greater intentions to have unprotected sex than did sober people. When subtle inhibiting cues were present, intoxicated and sober people reported equally cautious intentions (Studies 1-3). When strong inhibiting cues were present, intoxicated people reported more prudent intentions than did sober people (Study 4). We suggest that alcohol myopia provides a more comprehensive account of the effects of alcohol than does disinhibition. 相似文献
374.
375.
Agnes Abuom 《The Ecumenical review》2023,75(1):40-49
This is the text of the address on 31 August 2022 of the moderator of the central committee of the World Council of Churches (WCC) to the WCC's 11th Assembly, which took place in Karlsruhe, Germany, from 31 August to 8 September 2022. 相似文献
376.
Teaching and Generalizing Pretend Play in Children with Autism Using Video Modeling and Matrix Training
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Children with autism spectrum disorder often lack play skills. Video modeling has been effective in producing play; however, this play is often lacking in novelty. The purpose of the present study was to combine video modeling and matrix training to teach children with autism to engage in sequences of play with 30 vocalizations and 40 actions. Matrix training was used in an attempt to enhance generalization, specifically in recombining elements of play across play scenarios. Three participants were trained on three play scenarios for three play sets and materials using video modeling. Play scenarios were arranged in a 3‐dimensional matrix, which also depicted the possible recombined sequences that could emerge. Probes were then conducted to determine whether different combinations of play would occur. Results for all participants showed that after training on three video modeling play scenarios, learned vocalizations and actions were recombined across previously unlearned combinations of play sets and materials. Results also showed that after video modeling began, novel play that was not seen in baseline sessions emerged for all participants. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
377.
Hayley J. MacDonald 《Journal of motor behavior》2015,47(1):29-45
ABSTRACT. Parkinson's disease (Pd) is the second most prevalent degenerative neurological condition worldwide. Improving and sustaining quality of life is an important goal for Parkinson's patients. Key areas of focus to achieve this goal include earlier diagnosis and individualized treatment. In this review the authors discuss impulse control in Pd and examine how measures of impulse control from a response inhibition task may provide clinically useful information (a) within an objective test battery to aid earlier diagnosis of Pd and (b) in postdiagnostic Pd, to better identify individuals at risk of developing impulse control disorders with dopaminergic medication. 相似文献
378.
The focus of attention seems to be a static element within working memory when verbal information is serially presented, unless additional time is available for processing or active maintenance. Experiment 1 manipulated the reward associated with early and medial list positions in a probe recognition paradigm and found evidence that these nonterminal list positions could be retrieved faster and more accurately if participants were appropriately motivated—without additional time for processing or active maintenance. Experiment 2 used articulatory suppression and demonstrated that the underlying maintenance mechanism cannot be attributed to rehearsal, leaving attentional refreshing as the more likely mechanism. These findings suggest that the focus of attention within working memory can flexibly maintain nonterminal early and medial list representations at the expense of other list representations even when there is not additional time for processing or active maintenance. Maintenance seems to be accomplished through an attentional refreshing mechanism. 相似文献
379.
Jeanette A. Lawrence Agnes E. Dodds 《Integrative psychological & behavioral science》2018,52(1):67-76
Resistance is all around us in contemporary life. It is an everyday phenomenon of personal and cultural life, as the Chaudhary et al. (2017) volume establishes with theoretical analyses and empirical examples from diverse cultural contexts. Resistance functions in the dynamics of person-by-culture encounters when one party takes an opposing position. With the purpose of working towards a unified approach to resistance, the authors in this volume lay down the foundations for a psychology of resistance as an everyday phenomenon. As a basis for analyzing the role of resistance in the dialectical processes of change, the volume presents resistance as: personal and social, oppositional, intentional and future-oriented, transformational and developmental. We see different positions opening up a debate about whether resistance is a particular, intentional and oppositional phenomenon, or is the basic process of all dialectical transformational change. Further resistance to either position is consistent with moving forward in the development of a psychology of resistance. 相似文献
380.
This study investigates the impact of dissociative phenomena and depression on the efficacy of prolonged exposure treatment in 71 patients with posttraumatic stress disorder (PTSD). Diagnoses, comorbidity, pretreatment depressive symptoms, PTSD symptom severity, and dissociative phenomena (trait dissociation, numbing, and depersonalization) were assessed at pretreatment using semi-structured interviews and questionnaires. In a pretreatment behavioral exposure test, patients were imaginally exposed to (part of) their trauma memory for 9 min, during which subjective fear was assessed. At posttreatment and 6 months follow-up PTSD, depressive and dissociative symptoms were again assessed in the completers (n = 60). Pretreatment levels of dissociative and depressive symptoms were similar in dropouts and completers and none of the dissociative phenomena nor depression predicted improvement. Against expectations, dissociative phenomena and depression were associated with enhanced rather than impeded fear activation during the behavioral exposure test. However, these effects disappeared after controlling for initial PTSD severity. Hence, rather than supporting contraindication, the current results imply that patients presenting with even severe dissociative or depressive symptoms may profit similarly from exposure treatment as do patients with minimal dissociative or depressive symptoms. 相似文献