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21.
López SR Nelson Hipke K Polo AJ Jenkins JH Karno M Vaughn C Snyder KS 《Journal of abnormal psychology》2004,113(3):428-439
The authors examined the role of family factors and the course of schizophrenia by carrying out additional assessments and analyses in 2 previously published studies of Mexican American and Anglo American patients and families. The authors found partial support for an attributional model of relapse for families who are low in emotional overinvolvement. Attributions of control, criticism, and warmth together marginally predicted relapse. The data also indicated that for Mexican Americans, family warmth is a significant protective factor, whereas for Anglo Americans, family criticism is a significant risk factor. These findings suggest that the sociocultural context shapes the pathways by which family processes are related to the course of illness. Moreover, the warmth findings suggest that families may contribute to preventing relapse. 相似文献
22.
Inhibition of return to occluded objects 总被引:2,自引:0,他引:2
Since many visual objects are vulnerable to occlusion, an active process that tracks objects behind occluders confers considerable ecological validity to the visual system. We studied this possibility by testing whether inhibition of return can be observed with occluded objects. In our experiments, two moving objects disappeared or reappeared behind occluders while a cue and a probe were presented. Contrary to the results of a previous study (Tipper, Weaver, Jerreat, & Burak, 1994), responses were consistently delayed for the cued object that was occluded when it was cued (Experiment 1), when it was probed (Experiment 2), or both (Experiment 3). These results suggest that attention can select occluded objects that are out of view. Our findings are in line with prior studies that have demonstrated similar perceptual/attentional effects for occluded objects, as well as for visible objects. 相似文献
23.
The visual environment is extremely rich and complex, producing information overload for the visual system. But the environment also embodies structure in the form of redundancies and regularities that may serve to reduce complexity. How do perceivers internalize this complex informational structure? We present new evidence of visual learning that illustrates how observers learn how objects and events covary in the visual world. This information serves to guide visual processes such as object recognition and search. Our first experiment demonstrates that search and object recognition are facilitated by learned associations (covariation) between novel visual shapes. Our second experiment shows that regularities in dynamic visual environments can also be learned to guide search behavior. In both experiments, learning occurred incidentally and the memory representations were implicit. These experiments show how top-down visual knowledge, acquired through implicit learning, constrains what to expect and guides where to attend and look. 相似文献
24.
The ability to learn and form long-term memory (LTM) can enhance an animal's fitness, for example, by allowing them to remember predators, food sources or conspecific interactions. Here we use the pond snail, Lymnaea stagnalis, to assess whether variability between natural populations (i.e., strains) in memory forming capabilities correlates with electrophysiological properties at the level of a single neuron, RPeD1. RPeD1 is a necessary site of LTM formation of aerial respiratory behaviour following operant conditioning. We used strains from two small, separate permanent ponds (TC1 and TC2). A comparison of the two populations showed that the TC1 strain had enhanced memory forming capabilities. Further, the behavioural phenotype of enhanced memory strain was explained, in part, by differences in the electrophysiology of RPeD1. Compared to RPeD1 from the naive TC2 strain, RPeD1 from the TC1 strain has both a decreased resistance and decreased excitability. Moreover, 24h after a single 0.5h training session, those membrane properties, as well as the firing and bursting rate, decrease further in the TC1 strain but not in the TC2 strain. The initial differences in RPeD1 properties in the TC1 strain coupled with their ability to further change these properties with a single training session suggests that RPeD1 neurons from the TC1 strain are "primed" to rapidly form memory. 相似文献
25.
397 students arriving to take an exam in a junior level Principles of Management course were clearly warned on several occasions to keep cell phones outside the testing area or receive a failing test grade if the policy was violated. Just before the examination was administered, with all students sitting in their assigned seats, the professor made a final announcement that anyone still in possession of a cell phone would have one last opportunity to come forward and place it in a box at the front of the testing room. After eight students accepted this final "opportunity," the professor produced a hand-held metal detector, demonstrated how it could detect cell phones placed inside clothing, and informed the class that random screening of students would be conducted as they handed in their examinations. He then added that, as a special favor, he would allow a two-minute amnesty period during which any student could bring a cell phone to the front of the room for storage during the test. 38 students responded by turning in cell phones they had retained in direct violation of course policy. Implications of this cell phone dishonesty for creating viable business ethics and the role of perceived entitlement in shaping the behavior of these future business leaders were discussed. 相似文献
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28.
Marvin B. Scott 《Inquiry (Oslo, Norway)》2013,56(1-4):205-214
Functional analysis is the major theoretical perspective of contemporary sociology. Although many fruitful studies of social structure have resulted from the application of this perspective, it has been notably sterile in coping with questions of social change. Two major shortcomings of the functionalist view of change are here examined. The first type of shortcoming might be called ‘evolutionary hangovers’. Under this heading we may include ‘functional ahistoricism’ and a ‘commitment to progress’. The second major shortcoming refers to weaknesses of functional theory per se — namely, a confusion of causal analysis with functional analysis, a lack of a theory of deviance, and an over‐emphasis on stable equilibrium models. 相似文献
29.
Marvin W. Kahn 《Journal of personality assessment》2013,95(4):44-47
Reality adherence measured by Mayman's system of Rorschach form level scoring was applied to the protocols of 43 individuals all of whom were pleading insanity to a charge of murder. Reality adherence level correlated significantly with judgment of legal sanity, contributed importantly to a factor analysis dimension of reality functioning, and was extensively related to measures of primary process thought and impulse. Reality adherence further was related to intellectual functioning and areas of past history. These results suggest that Mayman's reality adherence measure has substantial validity and is importantly related to other personality variables. 相似文献
30.
Marvin W. Acklin 《Journal of personality assessment》2013,95(1-2):67-77
Children referred for psychoeducational assessment of learning disabilities (LDs) commonly receive the Rorschach test. Yet little is known about the impact of LD on Rorschach response patterns. This study investigated Rorschach response patterns in two groups of 9- to 12-year-old children (n = 41) classified by their respective intellectual abilities. Another group of 9- to 12-year-olds (n = 143) served as a nonclinical comparison group. Rorschach variables indicative of personality dimensions failed to discriminate between the two LD groups. Compared to the nonclinical group, the LD group exhibited several Rorschach characteristics—including problems in perceptual accuracy, inefficient visual scanning and problem-soving strategies, and avoidance of affect-laden stimuli—having implications for successful socioemotional adaptation. 相似文献