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191.
192.
Perceived teasing experiences in body dysmorphic disorder 总被引:1,自引:0,他引:1
Individuals with body dysmorphic disorder (BDD) are excessively concerned about imagined or slight defects in their appearance (e.g., asymmetrical facial features). Cognitive-behavioral models of BDD propose that several factors, including dysfunctional appearance-related beliefs and life experiences, such as teasing, contribute to the avoidance behaviors or rituals (e.g., mirror checking, grooming) characteristic of BDD. Previous research has demonstrated an association between perceived teasing and body dissatisfaction. In the current study, we examined whether individuals with BDD (n = 16) report to have been teased more often than do mentally healthy controls (n = 17). The group comprising individuals with BDD reported more appearance- and competency-related teasing than did control participants. This study provides preliminary evidence for the association between perceived teasing and BDD. 相似文献
193.
Genetic studies of stuttering in a founder population 总被引:2,自引:0,他引:2
Wittke-Thompson JK Ambrose N Yairi E Roe C Cook EH Ober C Cox NJ 《Journal of Fluency Disorders》2007,32(1):33-50
Genome-wide linkage and association analyses were conducted to identify genetic determinants of stuttering in a founder population in which 48 individuals affected with stuttering are connected in a single 232-person genealogy. A novel approach was devised to account for all necessary relationships to enable multipoint linkage analysis. Regions with nominal evidence for linkage were found on chromosomes 3 (P=0.013, 208.8 centiMorgans (cM)), 13 (P=0.012, 52.6 cM), and 15 (P=0.02, 100 cM). Regions with nominal evidence for association with stuttering that overlapped with a linkage signal are located on chromosomes 3 (P=0.0047, 195 cM), 9 (P=0.0067, 46.5 cM), and 13 (P=0.0055, 52.6 cM). We also conducted the first meta-analysis for stuttering using results from linkage studies in the Hutterites and The Illinois International Genetics of Stuttering Project and identified regions with nominal evidence for linkage on chromosomes 2 (P=0.013, 180-195 cM) and 5 (P=0.0051, 105-120 cM; P=0.015, 120-135 cM). None of the linkage signals detected in the Hutterite sample alone, or in the meta-analysis, meet genome-wide criteria for significance, although some of the stronger signals overlap linkage mapping signals previously reported for other speech and language disorders. EDUCATIONAL OBJECTIVES: After reading this article, the reader will be able to: (1) summarize information about the background of common disorders and methodology of genetic studies; (2) evaluate the role of genetics in stuttering; (3) discuss the value of using founder populations in genetic studies; (4) articulate the importance of combining several studies in a meta-analysis; (5) discuss the overlap of genetic signals identified in stuttering with other speech and language disorders. 相似文献
194.
The process of making meaning is a core determinant of human experience. Understanding this process, developmentally, is a vital part of integral counseling. In this article, the authors introduce the concept of ego development stages as increasingly complex and flexible systems of meaning making. An understanding of ego development stages can help counselors to assist clients in a way that recognizes that people not only come in different “types” but also differ significantly in the level of their meaning‐making capacity. 相似文献
195.
M. Todd Allen Catherine E. Myers Mark A. Gluck 《Integrative psychological & behavioral science》2001,36(1):36-61
Classical conditioning has been explained by two main types of theories that postulate different learning mechanisms. Rescorla
and Wagner (1972) put forth a theory in which conditioning is based on the ability of the US to drive learning through error
correction. Alternatively, Mackintosh (1973) put forth a theory in which the ability of the CS to be associated with the unconditioned
stimulus is modulated. We have proposed a reconciliation of these two mechanisms as working in parallel within different neural
systems: a cerebellar system for US modulation and a hippocampal system for CS modulation. We developed a computational model
of cerebellar function in eyeblink conditioning based on the error correction mechanism of the Rescorla-Wagner rule in which
learningrelated activity from the cerebellum inhibits the inferior olive, which is the US input pathway to the cerebellum
(Gluck et al., 1994). We developed a computational model of the hippocampal region that forms altered representations of conditioned
stimuli based on their behavioral outcomes (Gluck & Myers, 1993; Myers et al., 1995). Overall, computational modeling and
empirical findings support the idea that, at least in the case of eyeblink conditioning, there may be two different neural
systems: the cerebellum which mediates US-based error correction and hippocampus which alters representations of CSs. 相似文献
196.
Mark A. Gluck M. Todd Allen Catherine E. Myers Richard F. Thompson 《Neurobiology of learning and memory》2001,76(3):314-341
The authors evaluate a mapping of Rescorla and Wagner's (1972) behavioral model of classical conditioning onto the cerebellar substrates for motor reflex learning and illustrate how the limitations of the Rescorla-Wagner model are just as useful as its successes for guiding the development of new psychobiological theories of learning. They postulate that the inhibitory pathway that returns conditioned response information from the cerebellar interpositus nucleus back to the inferior olive is the neural basis for the error correction learning proposed by Rescorla and Wagner (Gluck, Myers, & Thompson, 1994; Thompson, 1986). The authors' cerebellar model expects that behavioral processes described by the Rescorla-Wagner model will be localized within the cerebellum and related brain stem structures, whereas behavioral processes beyond the scope of the Rescorla-Wagner model will depend on extracerebellar structures such as the hippocampus and related cortical regions. Simulations presented here support both implications. Several novel implications of the authors' cerebellar error-correcting model are described including a recent empirical study by Kim, Krupa, and Thompson (1998), who verified that suppressing the putative error correction pathway should interfere with the Kamin (1969) blocking effect, a behavioral manifestation of error correction learning. The authors also discuss the model's implications for understanding the limits of cerebellar contributions to associative learning and how this informs our understanding of hippocampal function in conditioning. This leads to a more integrative view of the neural substrates of conditioning in which the authors' real-time circuit-level model of the cerebellum can be viewed as a generalization of the long-term memory module of Gluck and Myers' (1993) trial-level theory of cerebellar-hippocampal interaction in motor conditioning. 相似文献
197.
Jeffrey A. Joireman Paul A. M. Van Lange Mark Van Vugt Amanda Wood Tricia Vander Leest Chris Lambert 《Journal of applied social psychology》2001,31(3):504-526
The present field study examined commuters’(N= 152) willingness to fund improvements in public transit. Consistent with Samuelson's (1993; Samuelson & Messick, 1995) multiattribute evaluation model of structural change in social dilemmas, support for the transit plan was higher when it was perceived to be (a) effective at reducing congestion and pollution, (b) personally beneficial, and (c) fair in terms of taxes and benefits. Also consistent with predictions, these relationships were moderated by individual differences in social value orientation (MClintock, 1968) and the consideration of future consequences (CFC; Strathman, Gleicher, Boninger, & Edwards, 1994). Prosocials responded more to the perceived fairness of the plan, while proselfs responded more to the plan's effectiveness in reducing congestion. Low CFCs responded more to the plan's personal benefits and effectiveness in reducing congestion, while high CFCs responded more to the plan's effectiveness in reducing pollution. 相似文献
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