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741.
Visual perception in adult humans is thought to be tuned to represent the statistical regularities of natural scenes. For example, in adults, visual sensitivity to different hues shows an asymmetry which coincides with the statistical regularities of colour in the natural world. Infants are sensitive to statistical regularities in social and linguistic stimuli, but whether or not infants’ visual systems are tuned to natural scene statistics is currently unclear. We measured colour discrimination in infants to investigate whether or not the visual system can represent chromatic scene statistics in very early life. Our results reveal the earliest association between vision and natural scene statistics that has yet been found: even as young as 4 months of age, colour vision is aligned with the distributions of colours in natural scenes.
Research Highlights
- We find infants’ colour sensitivity is aligned with the distribution of colours in the natural world, as it is in adults.
- At just 4 months, infants’ visual systems are tailored to extract and represent the statistical regularities of the natural world.
- This points to a drive for the human brain to represent statistical regularities even at a young age.
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This research used an individual differences approach to test Eagly and Wood's (1999) claim that sex differences in the characteristics that people prefer in mates reflect the tendency for men and women to occupy different social roles in a society. The study related the extent to which participants endorsed the traditional female gender role to their preferences for their future mate's traits and age relative to their own age. In general, the sex–differentiated preferences that are consistent with the traditional division of labor were more pronounced, especially in male participants, to the extent that they endorsed the traditional female role. 相似文献
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Ken Resnicow Alice Jackson Dhana Blissett Terry Wang Frances McCarty Simone Rahotep Santhi Periasamy 《Health psychology》2005,24(4):339-348
Healthy Body Healthy Spirit was a multicomponent intervention to increase fruit and vegetable (F & V) consumption and physical activity (PA) delivered through Black churches. Sixteen churches were randomly assigned to 3 intervention conditions. At baseline, 1,056 individuals were recruited across the 16 churches, of which 906 (86%) were assessed at 1-year follow-up. Group 1 received standard educational materials, Group 2 received culturally targeted self-help nutrition and PA materials, and Group 3 received the same intervention as did Group 2 as well as 4 telephone counseling calls based on motivational interviewing (MI) delivered over the course of 1 year. At 1-year follow-up, Groups 2 and 3 showed significant changes in both F & V intake and PA. Changes were somewhat larger for F & V. For F & V, but not PA, there was a clear additive effect for the MI intervention. 相似文献
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Christina Hatgis Michael E. Addis Aaron D. Krasnow Inna Zaslavsky Khazan Karen L. Jacob Sandra Chiancola Dawn Dubois Alice Litter Peter Moran Jeffrey Scherz 《Applied and Preventive Psychology》2001,10(1):37-49
Psychotherapy researchers are increasingly engaged in collaborations with clinical practitioners and mental health administrators. Each party brings its own perspectives, values, and agendas to bear in these encounters. Viable research—practice collaborations depend on understanding and negotiating some of the tensions in these relationships. In this article, we discuss the contexts that prevail for various participants in a psychotherapy dissemination study as well as the values, goals, costs, and benefits related to research participation. This article is a collaboration among the researchers, mental health administrators, therapists, and clients involved in an ongoing treatment dissemination study. Our recommendations for research—practice collaborations are based on our experiences and dialogues over the course of this study. 相似文献
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In an experiment in which male and female respondents evaluated the social category of women or men on several types of measures, analysis of respondents' attitudes toward the sexes and of the evaluative content of their beliefs established that they evaluated women more favorably than men. In addition, analysis of respondents' emotional reactions toward women and men did not yield evidence of negativity toward women at the emotional level. Nor did it appear that respondents' very positive evaluations of women masked ambivalence toward them. This research, therefore, provides strong evidence that women are evaluated quite favorably—in fact, more favorably than men. 相似文献
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Prior studies have explained the very poor recall for the features of a coin in terms of visual characteristics. Two experiments compared incidental exposure and intentional study of US coins on recall of their features. In Experiment 1, recall performance for a rarely seen Mercury dime after a 1-min study period was better than that for an unstudied penny, even when the test on the dime was delayed 1 week. In Experiment 2, participants studied the dime for 15, 30, 45, or 60 s. Recall of the dime was greater than that of the unstudied penny even with the shortest study interval. Thus, a high level of recall of a coin's features can be obtained with brief intentional study, and that level can be maintained across a long delay interval. These findings suggest that poor retention of coin features is due to incidental exposure rather than to visual characteristics. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献