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51.
Marilyn Lewis Lanza Rn DNSc CS Helene Satz PsyD. James Stone Herbert L. Kayne Ph.D. 《Group》1995,19(4):195-219
The purpose of this research was to determine if psychodynamic group psychotherapy decreases the occurrence of physical assault by male group members. The design of the study was a randomized clinical trial. Patients assigned to the control group received the customary clinical care. Patients assigned to the Group Therapy attended a psychodynamic psychotherapy group to help them cope with their aggressive impulses. Both quantitative and qualitative measures were used. Group members showed decreased expression of anger at followup, increased effort to control anger at followup, and decline in aggressive behavior. Control subjects demonstrated no change in level of angry feelings, increased expression of anger at follow-up, decrease in effort to control anger at follow-up, and no change in aggressive behavior. A model for conducting a psychodynamic psychotherapy group for assaultive men was developed which describes process and content aspects as well as leader interventions by group phase. 相似文献
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An integrated model of cognitive control in task switching 总被引:2,自引:0,他引:2
A model of cognitive control in task switching is developed in which controlled performance depends on the system maintaining access to a code in episodic memory representing the most recently cued task. The main constraint on access to the current task code is proactive interference from old task codes. This interference and the mechanisms that contend with it reproduce a wide range of behavioral phenomena when simulated, including well-known task-switching effects, such as latency and error switch costs, and effects on which other theories are silent, such as with-run slowing and within-run error increase. The model generalizes across multiple task-switching procedures, suggesting that episodic task codes play an important role in keeping the cognitive system focused under a variety of performance constraints. 相似文献
55.
The compound-cue model of cognitive control in task switching explains switch cost in terms of a switch of task cues rather than of a switch of tasks. The present study asked whether the model generalizes to Lag 2 repetition cost (also known as backward inhibition), a related effect in which the switch from B to A in ABA task sequences is costlier than is the same switch in CBA task sequences. The model suggests that Lag 2 repetition cost should be absent from A'BA task sequences, in which A' and A are different cues for the same task. The cost is robust on such sequences, which suggests that cue-independent, task-specific representations are necessary for explaining task-switching performance and that the compound-cue model has limited explanatory power. 相似文献
56.
Interruption of a complex cognitive task can entail, for the “interruptee,” a sense of having to recover afterward. We examined
this recovery process by measuring the timecourse of responses following an interruption, sampling over 13,000 interruptions
to obtain stable data. Response times dropped in a smooth curvilinear pattern for the first 10 responses (15 sec or so) of
postinterruption performance. We explain this pattern in terms of the cognitive system retrieving a displaced mental context
from memory incrementally, with each retrieved element adding to the set of primes facilitating the next retrieval. The model
explains a learning effect in our data in which the timecourse of recovery changes over blocks, and is generally consistent
with current representational theories of expertise. 相似文献
57.
No Evidence That Sleep Deprivation Effects and the Vigilance Decrement Are Functionally Equivalent: Comment on Veksler and Gunzelmann (2017) 下载免费PDF全文
Erik M. Altmann 《Cognitive Science》2018,42(2):708-711
Veksler and Gunzelmann (2017) make an extraordinary claim, which is that sleep deprivation effects and the vigilance decrement are functionally equivalent. Extraordinary claims require extraordinary evidence, which is missing from Veksler and Gunzelmann's study. Their behavioral data offer only weak theoretical constraint, and to the extent their modeling exercise supports any position, it is that these two performance impairments involve functionally distinct underlying mechanisms. 相似文献
58.
Nils F. Toepfer Uwe Altmann Anne K. Risch Gabriele Wilz 《The journal of positive psychology》2016,11(2):124-134
This study tested the hypothesis that benefits of positive and expressive writing accrue when the intervention matches or activates the participant’s personal resources. Students were randomly assigned to keep a newly developed resource diary (RD, n = 114), which asked the participants to write about positive experiences and personal resources, or an expressive writing diary (ED, n = 114), which asked the participants to engage with negative emotional experiences, at home on three consecutive days per week for four weeks. Participants keeping the RD perceived significantly more social support and reported a significantly better mood at post-test than participants keeping the ED. Compared to a control group (n = 81) treatment effects of both writing interventions were higher for participants with lower pre-test values of well-being and brooding as well as for participants who wrote in an ‘atmosphere of activated resources.’ It is suggested that research should move away from testing deficit-compensating hypotheses towards a stronger resource orientation. 相似文献
59.
Few investigations have examined directly the psychosocial functioning of depressed children. In the present study, 20 depressed and 20 nondepressed fourth-and fifth-grade children were observed in free play during their recess period at school, and their self-perceptions were assessed in subsequent individual sessions. The 10 boys and 10 girls in each group were selected according to their scores on both the Child Depression Inventory and the Peer Nomination Inventory of Depression. Analyses conducted on the eight categories of behavioral observations revealed significant differences between the social behavior of the depressed and the nondepressed children. Although the depressed children made more overtures for social contact than did the nondepressed children and were approached by other children more frequently, they spent more time alone and engaged in a higher frequency of negative interactions with their peers. Consistent with these results, the depressed children's responses to the Self-Perception Profile for Children indicated that they experienced themselves as less socially competent in general, as well as less competent across several specific domains of functioning. These findings are discussed as they relate to developmental processes, theories of adult depression, and recent studies on socially isolated children, and directions for future research in this area are offered.This research was supported in part by Grants MA-8574 from the Medical Research Council of Canada and OMHF No. 923-85/87 from the Ontario Mental health Foundation to the second author. 相似文献
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Altmann GT 《Trends in cognitive sciences》1998,2(4):146-152
As listeners and readers, we rarely notice the ambiguities that pervade our everyday language. When we hear the proverb `Time flies like an arrow' we might ponder its meaning, but not the fact that there are almost 100 grammatically permissible interpretations of this short sentence. On occasion, however, we do notice sentential ambiguity: headlines, such as `Two Sisters Reunited After 18 Years in Checkout Counter', are amusing because they so consistently lead to the unintended interpretation (presumably, the sisters did not spend 18 years at the checkout). It is this consistent preference for one interpretation-and one grammatical structure-rather than another that has fuelled research into sentence processing for more than 20 years. Until relatively recently, the dominant belief had been that these preferences arise from general principles that underlie our use of grammar, with certain grammatical constructions being preferred over others. There has now accrued, however, a considerable body of evidence demonstrating that these preferences are not absolute, but can change in particular circumstances. With this evidence have come new theories of sentence processing, some of which, at first glance, radically question the standard notions of linguistic representation, grammar and understanding. 相似文献