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91.
The central nucleus of the amygdala is essential for acquiring and expressing conditional fear after overtraining
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Zimmerman JM Rabinak CA McLachlan IG Maren S 《Learning & memory (Cold Spring Harbor, N.Y.)》2007,14(9):634-644
The basolateral complex of the amygdala (BLA) is critical for the acquisition and expression of Pavlovian fear conditioning in rats. Nonetheless, rats with neurotoxic BLA lesions can acquire conditional fear after overtraining (75 trials). The capacity of rats with BLA lesions to acquire fear memory may be mediated by the central nucleus of the amygdala (CEA). To examine this issue, we examined the influence of neurotoxic CEA lesions or reversible inactivation of the CEA on the acquisition and expression of conditional freezing after overtraining in rats. Rats with pretraining CEA lesions (whether alone or in combination with BLA lesions) did not acquire conditional freezing to either the conditioning context or an auditory conditional stimulus after extensive overtraining. Similarly, post-training lesions of the CEA or BLA prevented the expression of overtrained fear. Lastly, muscimol infusions into the CEA prevented both the acquisition and the expression of overtrained fear, demonstrating that the effects of CEA lesions are not likely due to the destruction of en passant axons. These results suggest that the CEA is essential for conditional freezing after Pavlovian fear conditioning. Moreover, overtraining may engage a compensatory fear conditioning circuit involving the CEA in animals with damage to the BLA. 相似文献
92.
Trait Anger and Axis I Disorders: Implications for REBT 总被引:2,自引:2,他引:0
Wilson McDermut J. Ryan Fuller Raymond DiGiuseppe Iwona Chelminski Mark Zimmerman 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2009,27(2):121-135
Anger has a prominent role in basic theories of emotion. And while many psychiatric disorders can be conceived of as emotional
disorders (e.g., depressive disorders, anxiety disorders), there are no disorders for which anger is the cardinal feature.
We analyzed diagnostic data on 1,687 (as later) psychiatric outpatients and looked at the co-occurrence of high trait anger
(as assessed by criterion 8 of Borderline Personality Disorder) and Axis I disorders, and Borderline and Antisocial Personality
Disorders. The purpose was to examine whether dysfunctional anger met criteria necessary to be considered a valid diagnostic
category. Results showed that high trait anger was not fully accounted for by any particular Axis I diagnosis, or any set
of Axis I diagnoses, or by the combination of Axis I diagnoses and Borderline and Antisocial PDs. Trait anger also accounted
for significant amounts of unique variance in several indicators of psychiatric impairment and psychosocial functioning. We
describe the anger disorder diagnoses of Eckhardt and Deffenbacher (Anger disorders: Definition, diagnosis and treatment.
Taylor & Francis, Bristol, PA, 1995), and discuss the implications of those diagnoses for the practice of REBT and CBT.
相似文献
Wilson McDermutEmail: |
93.
Toni Rønnow-Rasmussen 《Philosophia》2009,37(2):227-243
The distinction between the agent-relative and the agent-neutral plays a prominent role in recent attempts to taxonomize normative theories. Its importance extends to most areas in practical philosophy, though. Despite its popularity, the distinction remains difficult to get a good grip on. In part this has to do with the fact that there is no consensus concerning the sort of objects to which we should apply the distinction. Thomas Nagel distinguishes between agent-neutral and agent-relative values, reasons, and principles; Derek Parfit focuses on normative theories (and the aims they provide to agents), David McNaughton and Piers Rawling focus on rules and reasons, Skorupski on predicates, and there are other suggestions too. Some writers suspect that we fundamentally talk about one and the same distinction. This work is about practical reasons for action rather than theoretical reasons for belief. Moreover, focus is on whether reasons do or do not essentially refer to particular agents. A challenge that undermines the dichotomy in this sense is posed. After having rejected different attempts to defend the distinction, it is argued that there is a possible defence that sets out from Jonathan Dancy’s recent distinction between enablers and favourers. 相似文献
94.
The present research examined emotions as predictors of opposition to policies and actions of one's country that are perceived to be illegitimate. Two studies investigated the political implications of American (Study 1) and British (Study 2) citizens' anger, guilt, and shame responses to perceived harm caused by their countries' occupation of Iraq. In both studies, a manipulation of pervasive threat to the country's image increased participants' shame but not guilt. The emotions predicted political action intentions to advocate distinct opposition strategies. Shame predicted action intentions to advocate withdrawal from Iraq. Anger predicted action intentions to advocate compensation to Iraq, confrontation of agents responsible, and withdrawal from Iraq. Anger directed at different targets (ingroup, ingroup representative, and outgroup representative) predicted action intentions to support distinct strategies (Study 2). Guilt did not independently predict any political action intentions. Implications for the study of political action and emotions in intergroup contexts are discussed. 相似文献
95.
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97.
David Zimmerman 《Philosophical Studies》1994,73(2-3):209-223
98.
Pamela K. Adelmann Toni C. Antonucci Susan E. Crohan Lerita M. Coleman 《Sex roles》1989,20(3-4):173-189
Whether the empty-nest experience has positive or negative consequences for women's well-being at midlife may depend on their historical cohort membership and employment status. In this study, it was posited that the empty nest was likely to be a negative experience among the particular cohort of women (Cohort II) who reached adulthood during the period of strong societal emphasis on women's maternal role known as the feminine mystique, would be experienced positively among the earlier cohort (Cohort I) who as young adults were encouraged to enter the labor force during World War II. Analyses of covariance tested the relationships among empty-nest status, cohort membership, and employment status, and three measures of psychological well-being, adjusted for age, education, and marital status. The results of this study show that cohort and employment each have important independent associations with women's well-being at midlife, but that the experience of the empty nest depends on these two factors, especially cohort experiences.The authors wish to thank Joseph Veroff, Elizabeth Douvan, and Richard Kulka for the use of the data from The Study of Modern Living, and Joseph Veroff for comments on an earlier version of this paper. 相似文献
99.
Illness representations and matching labels with symptoms 总被引:4,自引:0,他引:4
Three studies are reported that show that health-relevant information (e.g., blood pressure [BP] or symptoms) initiates an active cognitive search process that results in the construction of an illness representation. Study 1 showed that informing subjects that their BP was elevated affected two attributes of illness representation: identity (label and symptoms), and time line or expected chronology of the health threat. Subjects given a high-BP reading reported symptoms commonly associated with high BP, especially if they attributed the high-BP reading to stress. Study 2 showed that the active search process uses causal information (a third attribute of representations) to give meaning to symptoms. Specifically, subjects used environmental cues to interpret whether familiar, unfamiliar, and ambiguous symptoms were due to illness or to stress. In Study 3 we showed that the constructive process, initiated by a high-BP reading, is directed by prior beliefs about the time line for developing high BP and by the presence of external cues about the stressfulness of the subject's daily life. Subjects who believed BP was labile and that they were under high daily stress or who believed BP was stable and that they were under low daily stress reported more symptoms. The significance of these findings for understanding how people process diagnostic labels and symptom information involved in the construction of illness representations is discussed. 相似文献
100.
Gregory Fowler Eric T. Juengst Burke K. Zimmerman 《Theoretical medicine and bioethics》1989,10(2):151-165
Although the ability to perform gene therapy in human germ-line cells is still hypothetical, the rate of progress in molecular and cell biology suggests that it will only be a matter of time before reliable clinical techniques will be within reach. Three sets of arguments are commonly advanced against developing those techniques, respectively pointing to the clinical risks, social dangers and better alternatives. In this paper we analyze those arguments from the perspective of the client-centered ethos that traditionally governs practice in medical genetics. This perspective clarifies the merits of these arguments for geneticists, and suggests useful new directions for the professional discussion of germ-line gene therapy. It suggests, for example, that the much discussed prospect of germ-line therapy in human pre-embryos may always be more problematic for medical genetics than adult germ-line interventions, even though the latter faces greater technical difficulties. 相似文献