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231.
In a yes/no identification task using touch alone, subjects indicated whether an object belonged to a named category. Previously, we found that subjects explored in two stages—first grasping and lifting the object, then executing further exploratory procedures (Lederman & Klatzky, 1990b). We proposed that Stage 1 (grasp/lift) was sufficient to extract coarse information about multiple object properties, whereas Stage 2 was directed toward precise information about particularly diagnostic properties. the current study, subjects were initially constrained to grasping and lifting, after which they could explore further. Accuracy was above chance after Stage 1, confirming our assumption that the grasp/lift combination was broadly useful. Stage 2 increased accuracy and confidence. It primarily elicited exploratory procedures associated with object geometry, but exploration was also influenced by diagnostic object properties. 相似文献
232.
Roberta L. Slavin 《Journal of Contemporary Psychotherapy》1999,29(1):75-83
This article will address the development and expression of rage between a four-year old girl and her parents as well as its manifestation in a therapy session. Intrapsychic and interpersonal causes of rage will be postulated for the child and the parents. The mutual experience of rage, which is shared and contributed to by the child and the parents, will be examined. Attention will also be given to the transferential aspects of the patient's rage and the countertransferential aspects of the therapist's rage reactions. Finally, strategies for neutralizing rage will be discussed. 相似文献
233.
Burckle Michelle A. Ryckman Richard M. Gold Joel A. Thornton Bill Audesse Roberta J. 《Sex roles》1999,40(11-12):853-870
The primary focus in this study was anexamination of the differential contributions of twodifferent forms of competitive attitude to disorderedeating in a nonclinical sample of Caucasian universitywomen. The results showed that it is not competitionper se that is a primary contributor to eatingdisorders, but rather a particular form of competitiveattitude. Specifically, hypercompetitiveness was related strongly to eating disorder symptoms, butpersonal development competitiveness was unrelated. Asecond purpose considered the relationship ofcontext-specific measures of achievement to eatingdisorder symptoms. Disordered eating was associatedpositively with the need to achieve in appearance, butnot to a need to achieve in academics and career.Discussion centered on the potential usefulness of these findings in the treatment of women who areeating disordered. It also argued for changes in asocialization process which often leads to thedevelopment of hypercompetitive attitudes and anovervaluing of beauty in American women. 相似文献
234.
Career development practitioners understand that the value of career and employment services extends beyond attachment to the labor market. However, “soft” outcomes such as increased self‐efficacy and improved ability to manage transitions are difficult to measure. Convincing funders and policy makers of the significance of such outcomes may be challenging; consequently, important interventions may not be mandated or funded. In this article, the importance of effective program evaluation is highlighted, limitations of current evaluation models are identified, and a draft evaluation framework that facilitates tracking long‐term impacts of career and employment services is applied to critique a government‐commissioned summative evaluation report. 相似文献
235.
Roberta L. Klatzky 《Perspectives on Psychological Science》2009,4(5):522-530
ABSTRACT— The applicability of basic research in psychological science is obvious to those in the field, but too often underappreciated outside of it. In this article, I suggest some reasons for that gap, including confusion between the relevance of psychological science and its actual application, which can lead to hype; the interdisciplinary nature of applied science, which can obscure the credit due to the field; and the considerable difficulty of moving basic research into application, including the potential for resistance to the products we deliver. I suggest that our own students constitute a relatively underutilized audience for demonstrating that psychological science has been critical to applications, and I describe an applied cognitive science course that is intended to make the case to them. 相似文献
236.
The self‐conscious emotions (e.g., embarrassment, guilt, pride, shame) are a special class of emotions that critically involve the self, including the capacity to form stable self‐representations and to evaluate oneself relative to internal and external standards. In this article, we summarize five areas of recent research on self‐conscious emotions: (a) the cognitive elicitors, or causal appraisals, that generate them; (b) their non‐verbal expressions; (c) the underlying neural processes; (d) the degree to which their experience and expression varies across cultures; and (e) the measures that have been developed to assess them. In each section, we provide recommendations for future research directions. 相似文献
237.
The present investigation combined a classical conditioning paradigm with a head–shake response (HSR) habituation task in order to evaluate the importance of dorsal hippocampal neural plasticity to spontaneous recovery. In the first experiment animals exhibited rapid HSR habituation (air stimulus to the ear) and an 85% level of spontaneous recovery following a 24 h inter-session interval. The addition of a brief tone prior to the air stimulus produced a similar pattern of habituation during the first session, but the level of spontaneous recovery was reduced (44%) during Session II. In a second experiment dorsal hippocampal lesioned rats placed on this tone/HSR paradigm responded with an 87% level of spontaneous recovery during Session II; while neocortex lesioned control rats indicated significantly reduced levels of spontaneous recovery (55%). In a third experiment bilateral injections of a general MMP inhibitor, FN-439, into the dorsal hippocampus resulted in high levels of spontaneous recovery (81%); while control rats injected with artificial cerebrospinal fluid displayed a significant attenuation of spontaneous recovery (45%). Finally, animals bilaterally injected with a specific MMP-3 inhibitor into the dorsal hippocampus indicated very similar results to those obtained following FN-439 injection. These findings indicate that animals prepared with dorsal hippocampal lesions, or injections with an MMP inhibitor, revealed an impaired association between the tone and air stimulus thus maximum spontaneous recovery was present 24 h later. Thus, it appears that the dorsal hippocampus influences habituation by conserving responses and reducing spontaneous recovery when a temporally contingent signaling cue is present. 相似文献
238.
Smoking in movies, implicit associations of smoking with the self, and intentions to smoke 总被引:2,自引:0,他引:2
We examined whether identifying with a film character who smokes increases implicit associations of the self with smoking. Undergraduate men were randomly assigned to view film clips in which the male protagonist either smoked or did not smoke. We measured subsequent levels of self-smoking associations using a reaction time task, as well as self-reported beliefs about smoking and smokers. Greater identification with the smoking protagonist predicted stronger implicit associations between the self and smoking (for both smokers and nonsmokers) and increased intention to smoke (among the smokers). Stronger implicit self-smoking associations uniquely predicted increases in smokers' intentions to smoke, over and above the effects of explicit beliefs about smoking. The results provide evidence that exposure to smoking in movies is causally related to changes in smoking-related thoughts, that identification with protagonists is an important feature of narrative influence, and that implicit measures may be useful in predicting deliberative behavior. 相似文献
239.
We have sought to elucidate the biochemical mechanisms that underlie the memory enhancing properties of the neural peptide vasopressin. Toward that goal we have investigated vasopressin induction of calcium signaling cascades, long held to be involved in long-term memory function, in neurons derived from the cerebral cortex, a brain region associated with long-term memory. Our previous studies demonstrated that in cultured cortical neurons, V1a vasopressin receptor (V1aR) activation resulted in a sustained rise in intracellular calcium concentration that was dependent on calcium influx (Son & Brinton, 1998). To investigate the mechanism of V1aR-induced calcium influx, we investigated V1aR activation of the calcium channel subtype(s) in cortical neurons cultured from Sprague-Dawley rat embryonic day 18 fetuses. The results of these analyses demonstrated that the L-type calcium channel blocker nifedipine blocked 250 nM V1 vasopressin receptor agonist (V1 agonist)-induced calcium influx. Intracellular calcium imaging analyses using fura-2AM demonstrated that blockade of L-type calcium channels prevented the 250 nM V1 agonist-induced rise in intracellular calcium concentration. These results indicate that the influx of extracellular calcium via L-type calcium channels is an essential step in the initiation of the V1 agonist-induced rise in intracellular calcium concentration. To determine the mechanism of V1aR activation of L-type calcium channels, regulatory components of the phosphatidylinositol signaling pathway were investigated. The results of these analyses demonstrated that V1 agonist-induced calcium influx was blocked by both a phospholipase C inhibitor (U-73122) and a protein kinase C inhibitor (bisindolylmaleimide I). Further analysis of V1aR activation of protein kinase C (PKC) demonstrated that V1 agonist induced PKC activity within 1 min of exposure in cultured cortical neurons. These data indicate that in cultured cortical neurons, V1aR activation regulates the influx of extracellular calcium via L-type calcium channel activation through a protein kinase-C-dependent mechanism. The results of these studies provide biochemical mechanisms by which vasopressin could enhance memory function. Those mechanisms include a complex cascade that is initiated by activation of the phosphatidylinositol pathway, activation of protein kinase C, followed by phosphorylation of L-type calcium channels to initiate the influx of extracellular calcium to activate a cascade of calcium-dependent release of intracellular calcium. 相似文献
240.
McKay MM Chasse KT Paikoff R McKinney LD Baptiste D Coleman D Madison S Bell CC 《Family process》2004,43(1):79-93
This article presents family-level results from an ongoing study examining the impact of the CHAMP (Chicago HIV prevention and Adolescent Mental health Project) Family Program, a family-based HIV preventative intervention meant to reduce the amount of time spent in situations of sexual possibility and delay initiation of sexual activity for urban youth in the 4th and 5th grades living in neighborhoods with high rates of HIV infection. The CHAMP Family Program has been developed, delivered, and overseen by a collaborative partnership, consisting of community parents, school staff, community-based agency representatives, and university-based researchers. Design of the program was informed by input from this collaborative partnership, child developmental theory of sexual risk, and empirical data gathered from the targeted community. This article presents findings that suggest CHAMP Family Program impact on family communication, family decision-making, and family-level influences hypothesized to be related to later adolescent HIV risk. Implications for future family-based HIV prevention research are discussed here. 相似文献