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In long-term, open-ended psychotherapy groups in which there are inevitable, yet potentially disruptive changes in membership, therapeutic group culture can become particularly important in sustaining a group's sense of cohesion. This article focuses on how transitional phenomena, as defined by D. W. Winnicott, and representational play serve as vehicles for establishing therapeutic group culture in a preadolescent girls' group. Applications of both transitional phenomena and therapeutic group culture to group stage development, as outlined by Garland, Jones, and Kolodny (1970), will also be explored. 相似文献
167.
R A Abrams R S Dobkin M K Helfrich 《Journal of experimental psychology. Human perception and performance》1992,18(4):922-933
Experiments are reported in which the target for a saccadic eye movement was displaced during the saccade. Subjects adapted to the displacement by altering the amplitudes of subsequent saccades to compensate for it. Analysis of kinematic details of the saccade trajectories revealed that the adaptation did not arise from a simple remapping of perceived target locations. Instead, the adaptation appeared to be accomplished by a change in the gain of the saccadic system. The gain change arose primarily from a change in the magnitude of the force pulse for the saccade, not a change in the duration of the pulse. These results have implications for the mechanisms that underlie saccades in normal situations. In particular, people can separately adjust the magnitudes and durations of the force pulses used to produce saccades. 相似文献
168.
Three experiments are reported in which subjects practiced rapid aimed limb movements (arm pointing and wrist rotation) toward a visible target region. Subjects were required to minimize their movement durations while still landing in the target. The movement trajectories were examined to assess the effects of practice on separate component submovements of the limb movements. The results revealed that practice improved primarily temporal, not spatial, aspects of performance. Practice reduced the overall movement durations, but had different effects on the individual submovements. Practice allowed subjects to reduce the amount of time spent performing final corrective submovements, but actually increased slightly the time needed to produce the initial ballistic submovement. The results suggest that practice in the present task primarily enhanced the ability to use feedback information, but there was also some evidence of changes in the ballistic, preprogrammed portion of the movements. The results demonstrate that analysis of submovements can reveal important details of the underlying motor control processes. 相似文献
169.
The Contemplation Ladder: validation of a measure of readiness to consider smoking cessation 总被引:27,自引:0,他引:27
Presents evidence for the validity of the Contemplation Ladder, a measure of readiness to consider smoking cessation. Analyses of data collected from more than 400 smokers at two worksites before and during a 10-month intervention indicate that Ladder scores were significantly associated with reported intention to quit, number of previous quit attempts, perceived co-worker encouragement to quit, and socioeconomic status. Ladder scores predicted subsequent participation in programs designed to educate workers about their smoking habit and its contingent risks. The Ladder did not predict biochemically validated abstinence of 24 hr or more. To assess its ability to distinguish between groups known a priori to differ in readiness, we administered the Ladder to 36 participants in a clinic-based smoking cessation program. As predicted, clinic patients scored significantly higher than the workers on the Ladder. The importance of distinguishing between smokers at the lowest stages of readiness to quit is discussed. 相似文献
170.
New perceptual objects are known to capture attention. We show that such attentional capture is similar to that produced by peripheral luminance changes, as opposed to symbolic central cues, in that it produces inhibition of return. Two experiments employed equiluminant texture changes that attracted attention, producing an initial attentional benefit (in detection and discrimination) followed by inhibition of return. However, when the display was altered so that the texture change did not define a new object, no facilitation or inhibition was observed. The results bolster recent claims of the importance of new perceptual objects and extend our understanding of the effect of such objects on attention. 相似文献