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141.
Patricia A. Tun Arthur Wingfield 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(1):29-44
An experiment is reported in which young and elderly subjects listened to and recalled spoken passages that ranged from highly predictable to low in predictability, under both single-task conditions and dual-task conditions in which passages were presented concurrently with a speeded matching task. Age differences in memory for the passages were shown to vary according to both the predictability of the text, and the level of importance of information. Although the elderly recalled less than the young, they showed similar patterns of recall for major ideas. At the level of details, however, age differences were larger as passages became less predictable. Age differences in memory were not magnified by the requirement to divide attention, regardless of whether an easy or more difficult concurrent task was presented. These findings suggest that although speech-processing ability in old age shows considerable resilience to conditions of heavy load, including divided attention, age-related changes may be observed at lower levels of information. 相似文献
142.
To better understand how body image operates within the context of intimate relationships, we investigated women's responses to appearance feedback from an intimate partner. Participants (N = 192) imagined receiving feedback from their partner that was either consistent with their own appearance self-view (i.e., self-verifying), more positive (i.e., self-enhancing), or less positive (i.e., devaluing), and then provided their affective and cognitive reactions. As expected, women's perceptions of their own appearance moderated their reactions. Women with more negative self-views felt happier with enhancing feedback, but thought that it meant their partner understood them less well. They also felt less happy when they received verifying feedback, but felt more understood by their partners. Thus, women with body image dissatisfaction may find themselves stuck in the “cognitive-affective crossfire” reacting ambivalently whether their partner enhances their appearance or confirms their negative self-views. Further examination of partners’ actual feedback is needed. 相似文献
143.
Yusuke Yamani Jason S. McCarley Jeffrey R. W. Mounts Arthur F. Kramer 《Attention, perception & psychophysics》2013,75(2):229-243
A pair of experiments investigated the architecture of visual processing, parallel versus serial, across high and low levels of spatial interference in a divided attention task. Subjects made speeded judgments that required them to attend to a pair of color-cued objects among gray filler items, with the spatial proximity between the attended items varied to manipulate the strength of interference between attended items. Systems factorial analysis (Townsend & Nozawa, Journal of Mathematical Psychology 39:321-359, 1995) was used to identify processing architecture. Experiment 1, using moderately dense displays, found evidence of parallel processing whether attended objects were in low or high proximity to one another. Experiment 2, using higher-density displays, found evidence of parallel selection when attended stimuli were widely separated but serial processing when they were in high proximity. Divided visual attention can operate in parallel under conditions of low or moderate spatial interference between selected items, but strong interference engenders serial processing. 相似文献
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Previous research suggests that rats will decrease their consumption of a low-valued substance if a high-valued one will soon be available (anticipatory contrast), but will increase their rate of operant responding for a low-valued substance if a high-valued one will soon be available (positive induction). The present experiments tested whether rats would increase their operant rate of licking or lever pressing for 1% liquid-sucrose reinforcement when 32% sucrose reinforcement was upcoming in the same session. Results indicated that upcoming 32% sucrose increased rates of lever pressing for 1% sucrose, but did not produce similar increases in rates of licking. In fact, upcoming 32% sucrose significantly reduced lick rates in Experiment 2. The present results suggest that the different changes in behavior may be linked to the specific response that the subjects must engage in to obtain the reward (i.e., licking vs. lever pressing), and not to the function of the behavior (i.e., consummatory vs. operant) or to how frequently the substances are available (i.e., continuously vs. intermittently). 相似文献
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