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201.
Hand-movement profiles in a tactual—tactual matching task: Effects of spatial factors and laterality
Joël Fagot Agnès Lacreuse Jacques Vauclair 《Attention, perception & psychophysics》1994,56(3):347-355
We examined the effect of spatial factors and hemispheric lateralization upon hand-scanning strategies in 14 right-handed men tested in a tactual—tactual matching task. The experiment involved comparisons (judgments of same or different) between two objects sequentially touched by the fingertips of the left or right hand. Stimuli were made of smoothly joined cubes whose junctions were not haptically discernible. Exploratory strategies were inferred from the durations and locations of hand contacts with any of the cubes composing the stimuli. Accuracy was greater when the same stimulus was touched twice by the same hand than when different hands were used to feel it. With regard to strategies, both hands touched the upper parts of the object longer than the lower parts. Subjects also inspected more portions of the objects ipsilateral to the hand used. Overall differences in time spent touching cubes were greater for the right hand than for the left hand, showing that touch times were less evenly distributed on object parts for the former than for the latter. In this study, the process of information gathering by touch appears to be determined by the intertwining integration of contextual factors (e.g., stimulus position in space), biomechanical constraints on hand movements, and such cognitive factors as hemispheric differences on the ability to encode spatial pattern information. 相似文献
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203.
Three experiments are reported in which rapid sequential visual presentation of sentences-RSVP-was used to determine some perceptual processes in sentence perception. It was found that adjectives, when they are actually or potentially modifiers of a noun, are far less likely to be reported than any other part of the sentence. On the other hand, adjectives which are attribute adjectives are as likely to be reported as any other part of the sentence. Conclusions are drawn concerning sentence perception in general.This research was supported by the National Institute of Mental Health, Grant RO1-MH1-4709-05 to J. Mehler. 相似文献
204.
Gisèle Fischer Servi 《Studia Logica》1977,36(3):141-149
A definition of the concept of Intuitionist Modal Analogue is presented and motivated through the existence of a theorem preserving translation fromMIPC (see [2]) to a bimodalS
4–S5 calculus.Allatum est die 9 Septembris 1975 相似文献
205.
Traffic congestion, perceived control, and psychophysiological stress among urban bus drivers 总被引:2,自引:0,他引:2
The operation of public transit vehicles in urban centers is a highly stressful job. There has been, however, little detailed analysis of what specific characteristics of the psychosocial or physical job environmental of public transit operators contribute to the high levels of job stress associated with this occupation. In the present study, we show a high degree of association between exposure to peak traffic conditions and on-the-job elevations of urinary catecholamines. These significant relations remain after incorporating various controls for possible selection factors (e.g., job seniority) and health-relevant parameters (e.g., age, smoking). Furthermore, we show that reductions in perceived control on the job partially account for the linkages between traffic congestion and psychophysiological stress. 相似文献
206.
The initiation of gait from a standing posture by 6 subjects, who took controlled-length steps, was analyzed. Using an inverted pendulum model, we found that the duration of gait initiation was independent of gait velocity. This finding suggests that subjects' biomechanical constants are the determining factors for initiating movement. Both the instantaneous velocity of the center of gravity at the end of the first step (resulting in the propulsive forces measured on the ground) and the steady-state velocity (resulting in the step length and frequency) varied with step length, whereas step frequency did not. But step frequency and progression velocity were linked, for step frequency always increased in parallel with increased progression velocity. We interpret the correlation between velocity and frequency variations to be a peripheral expression of the posturodynamic control of the step parameters by the progression forces. 相似文献
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208.
Morgan Elena Usai van der Meer Audrey Vulchanova Mila Blasi Damián E. Baggio Giosuè 《Psychonomic bulletin & review》2020,27(3):441-464
Psychonomic Bulletin & Review - According to traditional linguistic theories, the construction of complex meanings relies firmly on syntactic structure-building operations. Recently, however,... 相似文献
209.
We have limited knowledge as to whether the phenomenological differences between episodic memories, counterfactuals, and future projections show the same pattern across age groups and diverse samples. Here we compared the characteristics of these mental events, reported by younger and older participants in a Turkish (Study 1) and in an American sample (Study 2). In both studies, memories contained more sensory-perceptual-spatial details, were easier to bring to mind, and more specific. Future projections were the most positive, whereas counterfactuals were the least emotionally intense. In Study 1, older participants rated the events more positively and experienced them with more perceptual detail, whereas younger participants reported the future to be more voluntarily rehearsed, important, and central. These age differences did not replicate in Study 2. Overall, phenomenological differences between the events are robust and replicate across diverse samples. However, age differences are more sensitive to cultural or individual differences. 相似文献
210.
The purpose was to adapt a brief tool, the Physical Self Inventory-Version b, for the assessment of physical self in adults. The inventory is a refined version of the previously validated version, which was derived from the Physical Self Inventory (25 items). This French validation of the Physical Self-Perception Profile of Fox and Corbin includes a global self-esteem scale. As in the earlier version the current one has 6 single items to assess dimensions of global self-esteem, physical selfworth, sport competence, physical condition, attractive body, and physical strength. Rating is performed on a visual analog scale. Items in the new inventory were stated in the first person and in more general terms to be acceptable to a wider range of subjects. An item of measurement error was added. Analysis of responses of 185 men and 148 women to the new version supported the hierarchical structure. Significant correlations between the scores and constructs like masculinity, neuroticism, and depression indicated external validity. The new inventory showed acceptable psychometric properties for use in idiographic studies. 相似文献