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121.
The disruption of latent inhibition within the schizophrenia spectrum has often been interpreted either as a result of increased attentional distractibility (attentional account) or as a result of deficient interference of past associations (associative account). The aim of the present investigation was to test competing predictions, as derived from the above theoretical accounts. In a visual search paradigm of latent inhibition, accuracy was examined as a function of prior experience with the target, and psychometrically defined schizotypy. In Experiment 1 (N=60), no context change was introduced. In accord with past evidence, latent inhibition was found to be intact in low-, but disrupted in high-schizotypy scorers, a result predicted both by attentional and associative accounts. In Experiment 2 (N=60), a context change was introduced. As predicted by past evidence, latent inhibition was disrupted in low-schizotypy scorers. However, latent inhibition was found to be intact in high-schizotypy scorers, a finding accommodated by attentional, but not associative accounts. Theoretical implications and alternative interpretations are also considered. 相似文献
122.
For youth to benefit from many of the developmental opportunities provided by organized programs, they need to not only attend but become psychologically engaged in program activities. This research was aimed at formulating empirically based grounded theory on the processes through which this engagement develops. Longitudinal interviews were conducted with 100 ethnically diverse youth (ages 14–21) in 10 urban and rural arts and leadership programs. Qualitative analysis focused on narrative accounts from the 44 youth who reported experiencing a positive turning point in their motivation or engagement. For 38 of these youth, this change process involved forming a personal connection. Similar to processes suggested by self-determination theory (Ryan & Deci, 2000), forming a personal connection involved youth's progressive integration of personal goals with the goals of program activities. Youth reported developing a connection to 3 personal goals that linked the self with the activity: learning for the future, developing competence, and pursuing a purpose. The role of purpose for many youth suggests that motivational change can be driven by goals that transcend self-needs. These findings suggest that youth need not enter programs intrinsically engaged--motivation can be fostered--and that programs should be creative in helping youth explore ways to form authentic connections to program activities. 相似文献
123.
Alex Reed 《Journal of Family Therapy》2010,32(4):432-435
Presenting dialogical approaches to therapy calls for training approaches that are themselves participatory and dialogical. The use of chance operations is one way of enhancing an interactive and co‐constructive learning process. 相似文献
124.
This article describes a single session aimed at helping participants on a family therapy foundation course to move from a position of anxiety and discomfort about completing a written assignment to a position of safe uncertainty. Evaluation from the perspectives of course participants, course facilitators and assignment markers has shown participants engaging more enthusiastically with the writing of the assignment and expressing less anxiety about the process. 相似文献
125.
126.
Robert W. Isenhower Michael J. Richardson Claudia Carello Reuben M. Baron Kerry L. Marsh 《Psychonomic bulletin & review》2010,17(3):342-347
Understanding the physical and interpersonal constraints that afford cooperation during real-world tasks requires consideration
of the fit between the environment and task-relevant dimensions of coactors and the coactors’ fit with each other. In the
present study, we examined how cooperation can emerge during ongoing interaction using the simple task of two actors’ moving
long wooden planks. The system dynamics showed hysteresis: A past-action mode persisted when both solo and joint actions were
possible. Moreover, pairs whose arm spans were both short, both long, or mismatched made action-mode transitions at similar
points, when scaled by a relational measure. The relational measure of plank length to arm span was dictated by the pair member
with the shorter arm span, who, thus, had a greater need to cooperate during the task. The results suggest that understanding
affordances for cooperation requires giving more consideration to constraints imposed by the fit between coactors’ action
capabilities. 相似文献
127.
Relational Aggression in Mothers and Children: Links with Psychological Control and Child Adjustment
Tiffany J. Reed Sara E. Goldstein Amanda Sheffield Morris Angela W. Keyes 《Sex roles》2008,59(1-2):39-48
This study assesses associations between mothers’ use of relational aggression with their peers and psychological control with their children, and child adjustment in a sample of fifty U.S. mothers of elementary and middle school children. Mothers completed surveys assessing their relational aggression and psychological control. Teachers completed surveys assessing children’s externalizing behavior, internalizing symptoms, and relational aggression. Results suggest that mothers who are relationally aggressive with their peers are more likely to be psychologically controlling with their children. Results also showed that relational aggression predicted adjustment problems in youth. Relational aggression was associated with externalizing problems among boys and girls, and with internalizing problems among boys. Few gender differences in mean levels of maternal or child behaviors emerged. 相似文献
128.
Beall PM Moody EJ McIntosh DN Hepburn SL Reed CL 《Journal of experimental child psychology》2008,101(3):206-223
Typical adults mimic facial expressions within 1000 ms, but adults with autism spectrum disorder (ASD) do not. These rapid facial reactions (RFRs) are associated with the development of social-emotional abilities. Such interpersonal matching may be caused by motor mirroring or emotional responses. Using facial electromyography (EMG), this study evaluated mechanisms underlying RFRs during childhood and examined possible impairment in children with ASD. Experiment 1 found RFRs to happy and angry faces (not fear faces) in 15 typically developing children from 7 to 12 years of age. RFRs of fear (not anger) in response to angry faces indicated an emotional mechanism. In 11 children (8-13 years of age) with ASD, Experiment 2 found undifferentiated RFRs to fear expressions and no consistent RFRs to happy or angry faces. However, as children with ASD aged, matching RFRs to happy faces increased significantly, suggesting the development of processes underlying matching RFRs during this period in ASD. 相似文献
129.
Textbooks in learning and behavior commonly describe performance on fixed-ratio schedules as “break and run,” indicating that after reinforcement subjects typically pause and then respond quickly to the next reinforcement. Performance on variable-ratio schedules, on the other hand, is described as steady and fast, with few long pauses. Beginning with Ferster and Skinner''s magnum opus, Schedules of Reinforcement (1957), the literature on pausing under ratio schedules has identified the influences on pausing of numerous important variables, in particular ratio size and reinforcement magnitude. As a result, some previously held assumptions have been called into question. For example, research has shown that the length of the pause is controlled not only by the preceding ratio, as Ferster and Skinner and others had assumed (and as implied by the phrase postreinforcement pause), but by the upcoming ratio as well. Similarly, despite the commonly held belief that ratio pausing is unique to the fixed-ratio schedule, there is evidence that pausing also occurs under variable-ratio schedules. If such widely held beliefs are incorrect, then what about other assumptions? This article selectively examines the literature on pausing under ratio schedules over the past 50 years and concludes that although there may indeed be some common patterns, there are also inconsistencies that await future resolution. Several accounts of pausing under ratio schedules are discussed along with the implications of the literature for human performances, most notably the behaviors termed procrastination. 相似文献
130.
Scientific attention to cultural considerations in child neuropsychological assessment has not developed parallel to the focus these issues have received in adult and elderly neuropsychological assessment. There are limited data on the presence, magnitude, etiology, and implications of culture-related differences in cognitive test performance among children. This preliminary report reviews the available empirical literature on the current state of multicultural neuropsychological assessment in children. The review identified articles by searching PubMed and PsycINFO databases, and the tables of contents of Developmental Neuropsychology and Child Neuropsychology from 2003-2008. Of the 1,834 abstracts reviewed, ten papers met inclusion criteria for the review. Five studies were completed in America; four of these compared performance between ethnic groups while the fifth examined neighborhood level poverty indicators exclusively within African-American children. Of the five international studies, all established local normative data and/or were exploratory investigations of neuropsychological functions in specific cultural groups, including Taiwanese infants, South African youth, and bilingual British children. Taken together, the results yield important clinical and research data that begin to inform many of the complex and fascinating mechanisms by which ethnic identity and culture impact cognitive development and the neuropsychological assessment of children. A critique of the existing literature and directions for future research are provided. 相似文献