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121.
Benjamin R. Kunz Leah Wouters Daniel Smith William B. Thompson Sarah H. Creem-Regehr 《Attention, perception & psychophysics》2009,71(6):1284-1293
In immersive virtual environments, judgments of perceived egocentric distance are significantly underestimated, as compared with accurate performance in the real world. Two experiments assessed the influence of graphics quality on two distinct estimates of distance, a visually directed walking task and verbal reports. Experiment 1 demonstrated a similar underestimation of distances walked to previously viewed targets in both low- and high-quality virtual classrooms. In Experiment 2, participants’ verbal judgments underestimated target distances in both graphics quality environments but were more accurate in the high-quality environment, consistent with the subjective impression that high-quality environments seem larger. Contrary to previous results, we suggest that quality of graphics does influence judgments of distance, but only for verbal reports. This behavioral dissociation has implications beyond the context of virtual environments and may reflect a differential use of cues and context for verbal reports and visually directed walking. 相似文献
122.
Stephen L. Chew Leah S. Larkey Sigfrid D. Soli Joe Blount James J. Jenkins 《Memory & cognition》1982,10(5):413-423
Music presents information both sequentially, in the form of musical phrases, and simultaneously, in the form of chord structure. The ability to abstract musical structure presented sequentially and simultaneously was investigated using modified versions of the Bransford and Franks’ (1971) paradigm. Listeners heard subsets of musical ideas. The abstraction hypothesis predicted (1) false recognition of novel instances of the abstracted musical idea, (2) confidence of “recognition” should increase as recognition items approximate the complete musical idea, (3) correct rejection of “noncases,” which deviate from the acquired musical structure. Experiment 1 investigated sequential abstraction by using four-phrase folk melodies as musical ideas. Predictions 1 and 3 were confirmed, but the false recognition rate decreased as the number of phrases increased. Listeners were sensitive to improper combinations of phrases and to novel melodies different from melodies presented during acquisition. Experiment 2 investigated simultaneous abstraction using four-voice Bach chorales as musical ideas. Listeners spontaneously integrated choral subsets into holistic musical ideas. Musically trained listeners were better than naive listeners at identifying noncases. 相似文献
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124.
Unconscious Unease and Self-Handicapping: Behavioral Consequences of Individual Differences in Implicit and Explicit Self-Esteem 总被引:9,自引:0,他引:9
In contrast to measures of explicit self-esteem, which assess introspectively accessible self-evaluations, measures of implicit self-esteem assess the valence of unconscious, introspectively inaccessible associations to the self. This experiment is the first to document a relationship between individual differences in implicit self-esteem and social behavior. Participants completed either a self-relevant or a self-irrelevant interview, and were then rated bythe interviewer on their anxiety. When the interview was self-relevant, apparent anxiety was greater for participants low in implicit self-esteem than for participants high in self-esteem; implicit self-esteem did not predict anxiety when the interview was self-irrelevant. Explicit self-esteem did not predict apparent anxiety in either interview, but did predict participants' explicit self-judgments of anxiety. Self-handicapping about interview performance was greater for participants low in both explicit and implicit self-esteem than for those high in these measures. The experiment provides direct evidence that effects of implicit and explicit self-esteem may be dissociated. 相似文献
125.
Research on aging and face recognition has shown age-related differences that are reflected most clearly in false-alarm errors. Elderly subjects exceed young adults in false recognitions that new faces are "old." To determine if this difference between young and elderly subjects might differ for young versus elderly faces, an experiment was conducted in which half of the young and elderly subjects studied and recognized young and middle-aged faces, and the remainder studied and recognized middle-aged and elderly faces. Replicating prior research, age-related deficits in recognition accuracy (d') were reduced with older faces, and this effect generalized from measures of face recognition to measures of face-picture recognition. However, the age-related increase in false recognitions of faces was not affected by face age. 相似文献
126.
Elderly persons exceed young adults in false recognitions of new faces. One account claims there are age-related deficits in memory for context of encounter with faces. Because of these deficits, elderly persons frequently recognize faces on the basis of perceived familiarity (i.e., resemblance to face representations in memory), which is high for some new faces. To test this context-recollection hypothesis, we had young adult and elderly subjects judge whether faces: (1) had been seen previously in a test (though no face was repeated), and (2) were subjectively familiar (though no face was famous). The elderly exceeded the young subjects in seen-before judgements (false recognitions), and only the elderly showed a positive correlation between false recognitions and subjective familiarity. In Experiment 2, this finding was extended from false recognitions to correct recognitions, supporting the view that elderly persons, compared to young adults, rely more on resemblance in recognizing faces. 相似文献
127.
Studies of age differences in face recognition have shown age-related increases in false-alarm errors: elderly persons exceed young adults in judging new faces to be old. To distinguish among theoretical accounts of this finding, we compared young and elderly subjects in two recognition tasks: (1) that of judging whether faces were recent or nonrecent, and (2) that of judging whether faces were famous or nonfamous. The major independent variable was prior presentation of faces-including nonrecent and nonfamous foils-1 week before the test. False recent judgments in response to nonrecent faces and false famous judgments in response to nonfamous faces were higher among the elderly. Moreover, these age-related differences in false-alarm rates were larger for faces viewed 1 week previously than for entirely new faces. The findings suggest that, compared to young adults, older individuals rely relatively more on perceived familiarity, and relatively less on recollection of context, in making recognition decisions. 相似文献
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129.
Dual process theories account for age-related changes in memory by proposing that old age is associated with deficits in recollection together with invariance in familiarity. The authors evaluated this proposal in recognition by examining recollection and familiarity estimates in young and older adults across 3 process estimation methods: inclusion/exclusion, remember/know, and receiver operating characteristics (ROC). Consistent with a previous literature review (Light, Prull, LaVoie, & Healy, 2000), the authors found age invariance in familiarity when process estimates were derived from the inclusion/exclusion method, but the authors found age differences favoring the young when familiarity estimates were derived from the remember/know and ROC methods. Recollection estimates were lower for older adults in all 3 methods. Recollection and familiarity had variable relationships with frontal- and temporal-lobe measures of neuropsychological functioning in older adults, depending on which method was used to generate process estimates. These data suggest that although recollection deficits appear to be the rule in aging, not all estimates of familiarity show age invariance. 相似文献
130.
In the present study, we examined the joint effects of aging, repetition, and response deadline in a plurality discrimination task. Young and older adults studied lists of unrelated singular and plural nouns, with half presented once (weak items) and half presented five times (strong items). Test lists contained old (same) nouns, plurality-reversed nouns (changed lures), and unstudied nouns (new lures), and the participants were asked to respond old only to same items. In Experiment 1, the participants were tested with both short and long deadlines. In Experiment 2, the tests were unpaced. In both experiments, repetition increased hit rates for young and older adults. Young adults tested with a long deadline or no deadline showed invariant (Experiment 1) or reduced (Experiment 2) false alarms to changed lures when the nouns were studied more often. Young adults tested with a short deadline and older adults tested with both long and short deadlines had increased false alarm rates for strong changed lures; without time pressure to respond, older adults did not have a significant increase in false alarms for changed lures. Implications of these results for theories of cognitive aging are explored. 相似文献