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The responsiveness of mothers to their infants has been found to make an important contribution to children's development. Mothers' cognitive ability, emotional state, and life stresses may influence their responsiveness, as may the medical condition of their infants. The patterns of influence may vary between groups of children with different biological risk conditions and should be examined carefully to determine intervention points for different groups. Forty mothers and their 3-month-old (corrected age) infants with intraventricular hemorrhage (IVH) were observed in free play. Mothers' depressive symptoms, cognitive skills, and the degree of infants' IVH were assessed and expected to be influences on mothers' responsiveness. Results indicated that mothers' depressive symptoms and cognitive skills were associated with their responsiveness, but that depressive symptoms were the stronger predictor. Post hoc analyses suggested that socioeconomic status and depressive symptoms may have related effects on mothers' behavior. 相似文献
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McLeod P Reed N Dienes Z 《Journal of experimental psychology. Human perception and performance》2002,28(6):1499-1501
According to linear optic trajectory (LOT) theory, fielders use the direction of curvature of theoptic trajectory to control the way they run to intercept the ball. Data presented by D. M. Shaffer and M. K. McBeath (2002) as support for LOT theory show that the optic trajectory of balls that will fall behind the fielder provide the cue that LOT theory predicts would send the fielder running forward, not backward. In this article, the authors show that watching these balls would provide the fielder with the cue that the optic acceleration cancellation (OAC) theory of interception predicts would send the fielder running backward. It appears that the fielders studied by Shaffer and McBeath were following the cue predicted by OAC theory, not that predicted by LOT theory. 相似文献
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Bertram D. Cohen 《Group》2002,26(3):189-204
The group self, an individual's self-perception as a member of a group, is distinguished from the group's self, a personification of the group as a person with a self. The perceived group's self of an opposing other group is often a repository for attributes group members are not ready to recognize in their own group's self. Theoretically, the need for an adversarial other to hold one's own group's unwanted attributes—and thus to complete one's own group's self—contributes, however unconsciously, to the apparent intractability of intergroup disputes. In dealing with these issues, I compare intergroup conflict resolution (ICR) groups with therapy groups, on the one hand, and advocacy groups on the other. All of this sets the stage for a presentation of two ICR projects and their analysis in group-developmental terms. 相似文献
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Recall is typically better for emotional than for neutral stimuli. This enhancement is believed to rely on limbic regions. Memory is also better for neutral stimuli embedded in an emotional context. The neural substrate supporting this effect has not been thoroughly investigated but may include frontal lobe, as well as limbic circuits. Alzheimer's disease (AD) results in atrophy of limbic structures, whereas normal aging relatively spares limbic regions but affects prefrontal areas. The authors hypothesized that AD would reduce all enhancement effects, whereas aging would disproportionately affect enhancement based on emotional context. The results confirmed the authors' hypotheses: Young and older adults, but not AD patients, showed better memory for emotional versus neutral pictures and words. Older adults and AD patients showed no benefit from emotional context, whereas young adults remembered more items embedded in an emotional versus neutral context. 相似文献
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Gawronski B 《Experimental psychology》2002,49(3):171-180
Drawing on recent criticism of the Implicit Association Test (IAT), the present study tested the convergent and discriminant validity of two prejudice-related IATs to corresponding explicit prejudice measures in a German student sample (N = 61). Confirming convergent validity, (a) an IAT designed to assess negative associations related to Turkish people was significantly related to the explicit endorsement of prejudiced beliefs about Turkish people, and (b) an IAT designed to assess negative associations related to East Asians was significantly related to explicit prejudice against East Asians. Moreover, confirming discriminant validity, (c) the Asian IAT was unrelated to the explicit endorsement of prejudiced beliefs about Turkish people, and (d) the Turkish IAT was unrelated to explicit prejudice against Asian people. These results further corroborate the assumption that the IAT is a valid method to assess the strength of evaluative associations in the domain of prejudice and stereotypes. 相似文献
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Pollatsek A Hyönä J Bertram R 《Journal of experimental psychology. Human perception and performance》2000,26(2):820-833
The processing of transparent Finnish compound words was investigated in 2 experiments in which eye movements were recorded while sentences were read silently. The frequency of the second constituent had a large influence (95 ms) on gaze duration on the target words, but its influence was relatively late in processing: A clear effect only occurred on the probability of a third fixation. The frequency of the whole compound word had a similar influence on gaze duration (82 ms) and influenced eye movements at least as rapidly as did the frequency of the second constituent. These results, together with an earlier finding that the frequency of the first constituent affected the first fixation duration, indicate that the identification of these compound words involves parallel processing of both morphological constituents and whole-word representations. 相似文献
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Bertram R Schreuder R Baayen RH 《Journal of experimental psychology. Learning, memory, and cognition》2000,26(2):489-511
This article is concerned with the way in which the balance of storage-storing and processing words through full-form representations-and computation-storing and processing words through morpheme-based representations-in lexical processing in the visual modality is affected by the following 3 factors: word formation type (roughly, inflection vs. derivation), productivity, and affixal homonymy. Experimental results for 5 different Dutch suffixes, combined with previous results obtained for 4 comparable Finnish suffixes (R. Bertram, M. Laine, & K. Karvinen, 1999) and 2 Dutch suffixes (R. H. Baayen, T. Dijkstra, & R. Schreuder, 1997), show that none of these factors in isolation is a reliable cross-linguistic predictor of the balance of storage and computation. The authors offer a general framework that outlines how morphological processing is influenced by the interaction of word formation type, productivity, and affixal homonymy. 相似文献