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301.
Rosenfarb IS Bellack AS Aziz N Kratz KM Sayers S 《Journal of abnormal psychology》2004,113(1):109-115
This study examined family interactions associated with a failure to stabilize in schizophrenia. Fifty-eight patient and parent dyads completed a problem-solving task soon after an acute episode. Stabilization was assessed over the following 6 months. African American patients' self-initiated discussions of substance use and increased anxiety during the interaction were associated with a failure to stabilize. Nonstabilization in White patients was associated with high levels of both the patients' odd thinking and the parents' criticism. White patients who were depressed during the interaction were also less likely to stabilize. Findings suggest that family relationships may play in important role in determining whether patients stabilize after an acute episode. Results also point to the importance of cultural factors in predicting patient stabilization. 相似文献
302.
Calef RS Choban MC Glenney KR Calef RA Mace EM Cummings TD 《Psychological reports》2004,94(2):683-686
During preshift, one experimental group of rats was given a large magnitude of food reward following a traversal of a straight alley and during a goalbox placement, while the other experimental group was given a small reward during goalbox placement and a large reward following a run. During postshift, all experimental groups were given a small reward of food following a traversal down the runway and during a goalbox placement. A control group was maintained on small reward during placements and following a traversal throughout the study. Only the group who received preshift large reward during placement and following a runway response ran slower to small reward during postshift than the control group maintained on small reward (negative contrast effect). 相似文献
303.
A Comparison of Phonological Awareness Skills in Early French Immersion and English Children 总被引:1,自引:0,他引:1
Tingley PA Dore KA Lopez A Parsons H Campbell E Bird EK Cleave P 《Journal of psycholinguistic research》2004,33(3):263-287
This 2-year study examined the effects of early second language exposure on phonological awareness skills. Syllable, onset-rime and phoneme awareness skills of 72 anglophone children attending English or French immersion programs in primary and grade 1 were investigated. Three-way mixed ANOVAS revealed the following effects and interactions. In terms of grade effect, grade 1 students performed significantly better than primary students on phoneme and onset-rime tasks. A stimulus language effect was observed for the three levels of phonological awareness. All children performed better on English tasks than on French ones. Interaction effects of stimulus language by program were revealed for phoneme as well as syllable tasks. Posthoc analyses revealed that French students performed better on English phoneme and syllable tasks than on French, while English students performed better than French immersion students on French syllable tasks. Correlational analyses revealed significant relationships between reading and phoneme and onset-rime phonological awareness tasks regardless of program of instruction (English, French immersion) or language of reading test (English, French). Syllable awareness was only significantly correlated with the French non-word reading task for the French immersion students. 相似文献
304.
Over the last decade, there has been an interest in the impact of visual illusions on the control of action. Much of this work has been motivated by Milner and Goodale's two visual system model of visual processing. This model is based on a hypothesized dissociation between cognitive judgments and the visual control of action. It holds that action is immune to the visual context that provides the basis for the illusion-induced bias associated with cognitive judgments. Recently, Glover has challenged this position and has suggested that movement planning, but not movement execution is susceptible to visual illusions. Research from our lab is inconsistent with both models of visual-motor processing. With respect to the planning and control model, kinematic evidence shows that the impact of an illusion on manual aiming increases as the limb approaches the target. For the Ebbinghaus illusion, this involved a decrease in the time after peak velocity to accommodate the 'perceived' size of the target. For the Müller-Lyer illusion, the influence of the figure's tails increased from peak velocity to the end of the movement. Although our findings contradict a strong version of the two visual systems hypothesis, we did find dissociations between perception and action in another experiment. In this Müller-Lyer study, perceptual decisions were influenced by misjudgment of extent, while action was influenced by misjudgment of target position. Overall, our findings are consistent with the idea that it is often necessary to use visual context to make adjustments to ongoing movements. 相似文献
305.
Arbuthnott KD 《Journal of experimental psychology. Learning, memory, and cognition》2005,31(5):1030-1042
Backward inhibition is proposed as a process of lateral inhibition that operates during response selection in task switching, reducing interference caused by the most recently abandoned task set. The effect has been observed across a wide range of contexts but is eliminated by using spatial location to cue tasks (K. D. Arbuthnott & T. S. Woodward, 2002). The present studies replicated this finding, showing that spatial cues are also associated with greater response congruity than verbal cues, consistent with the lateral inhibition model. Spatial cues may introduce greater discriminability between competing category-response rules, reducing the need for lateral inhibition. However, when participants named the task before target presentation, backward inhibition was observed with spatial cues, suggesting that verbalization increased competition between sets, despite spatial localization. 相似文献
306.
Predictions from the bounded and unbounded reciprocity hypotheses and from social identity theory (SIT) were examined in a minimal group experiment in which ingroup outcome dependence, outgroup outcome dependence, and the strength of social identity were orthogonally manipulated. Both ingroup and outgroup outcome dependence affected reward allocations. Participants made more ingroup-favoring reward allocations across all conditions. The identification manipulation produced hypothesized effects on social identification measures and marginal effects of identification on reward allocations in the no-dependence condition. Support was found for both an unbounded and bounded version of the reciprocity hypothesis and marginal support for a SIT approach to intergroup discrimination. The study highlights insufficiencies of both theoretical approaches and suggests possibilities for integration and elaboration. 相似文献
307.
Past research has found that downward counterfactual thoughts are rarely generated in response to negative life events. However, the authors suggest that under conditions in which self-enhancement motives are prominent, downward counterfactuals will be more frequent than upward counterfactuals. When motives were explicitly manipulated (Study 1), people generated more downward counterfactuals in the self-enhancement than in the self-improvement and control conditions. In Study 2, among those chronically more motivated to self-enhance (i.e., European Canadians), a manipulation of event severity led to the generation of more downward than upward counterfactuals. This finding was mediated by the desire for self-enhancement. In Study 3, cultural background and the opportunity for self-affirmation were related to the generation of downward counterfactuals in expected ways. Implications of these findings are discussed. 相似文献
308.
Adolescence is a developmental transition period during which there are profound transformations in emotional, cognitive, and behavioral systems. Despite being a time of rapid development and increasing rates of suicidality, limited research has examined possible interrelationships. Through the use of a case study, this paper illustrates the role of developmental factors in a teenage girl's experience becoming and overcoming being suicidal. The processes of cognitive development, identity formation, and autonomy-seeking are discussed within the context of her story. 相似文献
309.
In recognition of the fact that heterosexism is one of the most significant realities of adolescents' day-to-day experiences in school, this paper examines the school environment in terms of disempowering and empowering aspects. It is argued that failure to take a proactive stance to help youth with gender identity issues is a major cause of psychological problems, leading in some cases to suicide, alcohol and other drug abuse, and homelessness. 相似文献
310.
Binder KS 《Memory & cognition》2003,31(5):690-702
Models of lexical ambiguity resolution posit a role for context, but this construct has remained relatively undefined in the literature. The present study isolated two different forms of contextual constraint and examined how these sources of information might differentiate between a selective access and a reordered access model of ambiguity processing. Eye movements were monitored as participants read passages that contained either a balanced or a biased ambiguous word. The sentence containing the ambiguous word was held constant and instantiated either the subordinate meaning (Experiment 1) or the dominant meaning (Experiment 2) through the use of local context. These sentences were embedded in passages in which the topic was consistent, inconsistent, or neutral with respect to the meaning biased by the critical sentence. Experiment 1 provided evidence suggesting that the subordinate meaning of an ambiguous word was not selectively accessed even when sentence and discourse topic information biased that meaning. The data from Experiment 2 provided evidence that even the dominant meaning was not selectively accessed. These contextual sources of information were evaluated in terms of the roles they play in models of lexical ambiguity resolution. 相似文献