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51.
52.
The detailed dynamics of action simulation was investigated using the occluder paradigm: a point light actor (PLA) was shown, then briefly occluded from view, during which period action simulation was generated. Following occlusion, the PLA reappeared, either a progression of the motion as it should be post-occlusion or temporally shifted earlier/later. Participants made judgements on whether the reappearing PLA was too early or too late to be a correct continuation (Experiments 1 and 3) or whether it was a veridical continuation or not (Experiment 2). Over three experiments we asked how action simulation is affected by motion information before, during and after occlusion. Reducing motion presented before occlusion retained the accuracy of action simulation judgements. Presenting 4 frames (67 ms) of PLA motion during the occluder duration dynamically updates or altogether regenerates the action simulation. Reducing the duration of the test motion after the occluder decreases judgement precision, which we interpret as a limitation in the process of postdictive motion judgments. Overall, this is further evidence that the action simulation process is remarkably adapted to making human motion predictions. 相似文献
53.
Processing of action words has been shown to influence the perception of the actions the words refer to. Specifically, the accuracy with which people predict the future course of actions observed in another individual seems to be affected by verbal primes. Two processes may be involved in action prediction; dynamic simulation (updating) and static matching. The present study examined this issue by testing the impact of action verb processing on action prediction performance using a masked priming paradigm. Evidence of dynamic updating was revealed after prime verbs expressing dynamic actions (e.g., 'to catch') but not those expressing static actions (e.g., 'to lean'). In contrast to previous work, the primes were masked and did not require any response at all. Hence, our results indicate that implicit action-related linguistic processing may trigger action simulation that in turn might affect action prediction (see also Liepelt, Dolk, & Prinz, Psychological Research, 2012, in this issue). 相似文献
54.
Rodney E. Realon Andrew J. Wheeler Bonnie Spring Michael Springer 《Behavioral Interventions》1986,1(3):199-212
This study evaluated a center-wide training system in a state-operated mental retardation center. Staff performance was assessed under varying conditions with collateral measures collected on resident behavior. The quality of training delivered by direct-care staff was measured following the completion of an inservice training program and when individual feedback and praise were available or a group contingency where feedback, praise, and money were available. Inservice training was not found to be sufficient to maintain staff training skills. Providing feedback and praise had mixed results in maintaining staff behavior. A group contingency using feedback, praise, and money was found to be immediately effective in improving and maintaining staff behavior. Collateral measures on student behavior were also provided that indicated that consistent, quality training by staff resulted in increased student skill acquisition. These results are discussed within the framework of conducting research in applied settings. 相似文献
55.
Four experiments were conducted to explore the correlation between syllable number and visual complexity in the acquisition of novel words. In the first experiment, adult English speakers invented nonsense words as names for random polygons differing in visual complexity. Visually simple polygons received names containing fewer syllables than visually complex polygons did. In addition, analyses of English word-object pairings indicated that a significant correlation between syllable number and visual complexity exists in the English lexicon. In Experiments 2 and 3, adult English speakers matched monosyllabic novel words more often than trisyllabic novel words with visually simple objects, whereas trisyllabic matches were more common for visually complex objects. Experiment 4 replicated these findings with children, indicating that the assumption of a correlation between word and visual complexity exists during the period of intense vocabulary growth. Although the actual correlation between syllable number and visual complexity is small, other posited constraints on word meaning are also limited in strength. However, an increasing number of small, language-specific word-meaning correlations are being uncovered. Given the documented ability of speakers to detect and use these subtle correlations, we argue that a more fruitful approach to word-meaning acquisition would forgo the search for a few broad, powerful word-meaning constraints, and we attempt to uncover individually weak, but perhaps jointly powerful word-meaning correspondences. 相似文献
56.
A D Springer 《Journal of comparative psychology (Washington, D.C. : 1983)》1975,88(2):890-903
A series of experiments was performed to probe the phenomenon of sparing of memory by electroconvulsive shock (ECS) when amnesia is assessed by autonomic indices. Differential vulnerability of memory as indexed by skeletal and autonomic responses was determined to be a function of a higher threshold to disruption for autonomically indexed memories. Autonomic responses spared by ECS were found to reflect underlying memory rather than artifact produced by nonassociative factors arising from the interaction of conditioned stimulus (CS), unconditioned stimulus (US), and ECS. Furthermore, retrograde amnesia gradients of different slopes were observed with skeletal and autonomic measures. Two interpretations of these phenomena are discussed. One hypothesis suggests that individual components of a memory are consolidated at different rates, whereas the other concerns the differentail sensitivity of various measures in assessing memory. 相似文献
57.
Donald S. Leitner Geoffrey R. Hammond Charles P. Springer Kevin M. Ingham Ann M. Mekilo Preston R. Bodison Maria T. Aranda Marla A. Shawaryn 《Attention, perception & psychophysics》1993,54(3):395-405
The present research used a startle amplitude reduction paradigm to investigate the ability of the rat’s auditory system to track rapidly changing acoustic transients. Specifically examined was the ability of brief gaps in otherwise continuous noise to reduce the amplitude of a subsequently elicited acoustic startle reflex. The duration of the gap, time between gap offsetand startle elicitation (the interstimulus interval or ISI), and rise-fall characteristics of the gap were systematically varied. Consistent with previous research, gaps reliably reduced startle amplitude. Gaps 2 msec long were reliably detected, and a 50-msec ISI resulted in the greatest amplitude reduction. Gaps presented at short ISIs produced amplitude reduction that followed a different time course than did gaps presented at longer ISIs. These results may reflect differences in the length oftime available for the processing of the stimulus and may involve two different processes. 相似文献
58.
Springer 《Journal of Happiness Studies》2000,1(4):3-4
Publishers Note
Publishers Note 相似文献59.
60.
K Springer 《Psychological review》2001,108(4):691-708
A theoretical framework for describing the role of perceptual information in early conceptual development is presented. In the main section of the article, a general operationalization of perceptual boundedness is introduced, 3 causes of this limitation are identified, the conditions under which infants and children seem to be perceptually bound are formulated, and the mechanisms by which this limitation declines are described. Traditional claims that young children are perceptually bound, as well as contemporary objections to these claims, are often based on the assumption that perceptual information is generally unveridical or insufficient. Recent doubts about this assumption are evaluated in the final section of the article. It is concluded that although realist arguments are untenable, there are limited forms of perceptual support for conceptual development. 相似文献