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51.
探究源自环境的恢复体验(如,放松、平静等)对居住者地方依恋(包括地方依赖和地方认同两个维度)的预测作用,并分析其中的内在过程与情境条件。采用问卷研究法(N=410),结果发现:(1)恢复体验能显著正向预测个体地方依恋;(2)环境偏好在恢复体验与地方依恋之间起完全中介作用;(3)居住时长调节环境偏好与地方依恋(主要是地方认同)之间的关系。研究将有助于探寻环境心理学视角下的压力管理与城市管理协同路径。 相似文献
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Ivanenko YP Dominici N Daprati E Nico D Cappellini G Lacquaniti F 《Human movement science》2011,30(2):341-351
The concept of body schema has been introduced and widely discussed in the literature to explain various clinical observations and distortions in the body and space representation. Here we address the role of body schema related information in multi-joint limb motion. The processing of proprioceptive information may differ significantly in static and dynamic conditions since in the latter case the control system may employ specific dynamic rules and constraints. Accordingly, the perception of movement, e.g., estimation of step length and walking distance, may rely on a priori knowledge about intrinsic dynamics of limb segment motion and inherent relationships between gait parameters and body proportions. The findings are discussed in the general framework of space and body movement representation and suggest the existence of a dynamic locomotor body schema used for controlling step length and path estimation. 相似文献
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所谓长度效应指随着加工长度的变化, 时距加工机制在认知或神经层面会表现出不一致。近20年来, 关于时距加工是否会出现长度效应存在共同机制假设和差异机制假设两种观点。共同机制假设主张不同长度的时距加工认知或神经机制相同, 且该机制可被标量计时模型解释; 而差异机制假设主张不同长度时距加工的认知或神经机制存在差异, 2~3s、1s、1/2s及1/3s等是区别不同机制的分界位置。文章还指出四个值得思考的问题, 即已获证据的可靠性问题、判定标准的多元化问题、分界位置的确定性问题及理论模型的适用性问题。 相似文献
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SENSITIVITY OF CONDITIONAL-DISCRIMINATION PERFORMANCE TO WITHIN-SESSION VARIATION OF REINFORCER FREQUENCY
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The present experiment developed a methodology for assessing sensitivity of conditional-discrimination performance to within-session variation of reinforcer frequency. Four pigeons responded under a multiple schedule of matching-to-sample components in which the ratio of reinforcers for correct S1 and S2 responses was varied across components within session. Initially, five components, each arranging a different reinforcer-frequency ratio (from 19 to 91), were presented randomly within a session. Under this condition, sensitivity to reinforcer frequency was low. Sensitivity failed to improve after extended exposure to this condition, and under a condition in which only three reinforcer-frequency ratios were varied within session. In a later condition, three reinforcer-frequency ratios were varied within session, but the reinforcer-frequency ratio in effect was differentially signaled within each component. Under this condition, values of sensitivity were similar to those traditionally obtained when reinforcer-frequency ratios for correct responses are varied across conditions. The effects of signaled vs. unsignaled reinforcer-frequency ratios were replicated in two subsequent conditions. The present procedure could provide a practical alternative to parametric variation of reinforcer frequency across conditions and may be useful in characterizing the effects of a variety of manipulations on steady-state sensitivity to reinforcer frequency. 相似文献
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Open versus closed economies: performance of domestic hens under fixed ratio schedules 总被引:2,自引:0,他引:2
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Domestic hens responded under fixed-ratio schedules of food (wheat) reinforcement under several experimental conditions. Part 1 (open economy) investigated performance on fixed-ratio schedules over both multisession steady-state conditions and daily changes of the schedule, with hens maintained at 80% of free-feeding weights by extraexperimental feeding. In Parts 2 and 3 (closed economy and short sessions) sessions were 40 min long, and the hens' weights were allowed to vary (Part 2) or sessions were conducted only when the hens were at approximately 80% of free-feeding weights (Part 3). In Part 4 (closed economy and long sessions) sessions were 24 hr long and the fixed-ratio requirement was changed either daily or after 7 consecutive days. In general, the daily changes of fixed-ratio requirement in the open economy and short-session closed economy gave much the same result as the steady-state open-economy sessions. Overall response and reinforcer rates decreased with increasing fixed-ratio requirement (except at the shortest fixed ratios). Running response rates decreased, and postreinforcement pauses generally increased. In contrast, overall response rates in the long-session closed economy generally increased with the fixed-ratio requirement. Session length is suggested as a cause of the differences between the short- and long-session closed-economy results. 相似文献