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391.
Bailey DJ Tetzlaff JE Cook JM He X Helmstetter FJ 《Neurobiology of learning and memory》2002,78(1):1-10
Benzodiazepine pharmacology has led to greater insight into the neural mechanisms underlying learning and anxiety. The synthesis of new compounds capable of modulating responses produced by these receptors has been made possible by the development of an isoform model of the GABA(A)/benzodiazepine receptor complex. In the current experiment, rats were pretreated with several concentrations of the novel ligand RY024 (an alpha 5 beta 2 gamma 2 -selective benzodiazepine receptor inverse agonist) in the hippocampus and were trained in a Pavlovian fear conditioning paradigm. RY024 independently produced fear-related behavior prior to training and, at the highest concentration, decreased the strength of conditioning observed 24 h after training. These data provide further evidence for the involvement of hippocampal GABA(A)/benzodiazepine receptors in learning and anxiety. 相似文献
392.
Several recent studies with rats (Sprague-Dawley strain) have documented that an odor previously paired with shock potentiates the acoustic startle response, a phenomenon referred to as conditioned odor potentiation of startle (OPS). A surprising finding in these studies was that OPS did not extinguish even though the odor was present throughout the 25-min test session. Therefore, the present study more fully examined extinction of OPS. The results of Experiment 1, which employed both within-subject and between-group comparisons, showed that extinction of OPS occurred in adult rats only after several days of testing. Experiment 2 used the between-group procedure and found similar results with 23-day-old rats, the youngest age that exhibits the OPS effect. Experiment 2 also showed that giving rats 15 odor-shock pairings at 16 days of age, an age where they acquire the odor-shock association but cannot express it via OPS, does not increase subsequent resistance to extinction following odor-shock pairings at 23 days of age. Taken together, the results of this study show that (1) although OPS is somewhat resistant to extinction, it does extinguish with repeated tests and (2) suggests that there are no age differences in the rate of extinction of OPS. 相似文献
393.
Numerous measures have been employed in the last 17 years to assess theory of mind (ToM). The literature reports marked variability in the age at which children succeed on these measures. To account for this variability, researchers have provided explanations ranging from cognitive shifts and voids to the inability to understand the language of the tasks or to social/pragmatic considerations, all of which tell us little if anything about the internal mechanism underlying ToM. The main purpose of this paper is to provide a comprehensive theoretical account of children's success and the discrepancies found across different ToM tasks. We test the hypothesis that children's understanding of ToM is sensitive to the basic elements of language, that is, to whether the language is indexical or symbolic. Support for this account was found in the analysis of selected test protocols in four published studies of ToM, and new data collected from 53 children (4--6 years) which showed that a higher percentage of children succeeded on tasks with a high ratio of indexical to symbolic references than on tasks with a high ratio of symbolic to indexical references. There was also a main effect of age with older children succeeding at higher rates on both tasks than younger children. Our findings suggest that indexical representation can afford ToM understanding in 4-year-olds, but is not sufficient for a more mature ToM. The latter requires symbolic representation that was demonstrated by the majority of 5--6-year-olds. 相似文献
394.
Abstract This study investigated the influence of experience in family therapy on therapists' evaluative perceptions of family members. Beginning students in family therapy, advanced students, and experienced staff rated members of 100 families according to the Semantic Differential technique. Contrary to expectations, beginning students did not evaluate identified patients more favorably than parents. Staff and advanced students, however, rated parents more favorably than identified patients. Beginning students were also found to evaluate all family members more favorably than staff and advanced students. These results were discussed in terms of experienced therapists initially taking the side of the parents and the effects this potential source of bias may have on the course of family therapy. 相似文献
395.
Gillian Slessor Louise H. Phillips Ted Ruffman Phoebe E. Bailey Pauline Insch 《Cognition & emotion》2013,27(3):493-506
The present study explored own-age biases in deception detection, investigating whether individuals were more likely to trust those in their own-age group. Younger and older participants were asked to detect deceit from videos of younger and older speakers, rating their confidence in each decision. Older participants showed an own-age bias: they were more likely to think that deceptive speakers of their own age, relative to younger speakers, were telling the truth. Older participants were also more confident in their judgements of own-age, relative to other-age, speakers. There were no own-age biases for younger participants. In a subsequent (apparently unrelated) task, participants were asked to rate the trustworthiness of the speakers. Both age groups of participants trusted younger speakers who had previously told the truth more compared to those who had lied. This effect was not found for older speakers. These findings are considered in relation to the in-group/out-group model of social cognition and common stereotypical beliefs held about younger and older adults. 相似文献
396.
This study was designed to test three competing hypotheses (impaired configural processing; impaired Theory of Mind; atypical amygdala functioning) to explain the basic facial expression recognition profile of adults with autism spectrum disorders (ASD). In Experiment 1 the Ekman and Friesen (1976) series were presented upright and inverted. Individuals with ASD were significantly less accurate than controls at recognising upright facial expressions of fear, sadness and disgust and their pattern of errors suggested some configural processing difficulties. Impaired recognition of inverted facial expressions suggested some additional difficulties processing the facial features. Unexpectedly, the clinical group misidentified fear as anger. In Experiment 2 feature processing of facial expressions was investigated by presenting stimuli in a piecemeal fashion, starting with either just the eyes or the mouth. Individuals with ASD were impaired at recognising fear from the eyes and disgust from the mouth; they also confused fearful eyes as being angry. The findings are discussed in terms of the three competing hypotheses tested. 相似文献
397.
Bailey E. Williams Andrew M. Pomerantz Daniel J. Segrist Jonathan C. Pettibone 《Ethics & behavior》2013,23(2):149-160
Although psychologist impairment has received attention from researchers, there is a paucity of empirical data aimed at determining the point at which such impairment necessitates action. The purpose of this study was to provide such empirical data. Members of Division 42 (n = 285) responded to vignettes describing a psychologist whose symptoms of either depression or substance abuse varied across five levels of severity. Results identified specific levels of impairment at which psychologists were deemed too impaired to practice psychotherapy, as well as significant differences between ratings of increasingly severe impairment. Practical and ethical implications of these results are discussed. 相似文献
398.
CHARLES J. RUSSO ALLAN G. OSBORNE JR. REVEREND JOSEPH D. MASSUCCI GERALD M. CATTARO 《Journal of Research on Christian Education》2013,22(3):254-280
The adoption of Section 504 of the Rehabilitation Act of 1973 (Section 504) and the Education for All Handicapped Children's Act, now the Individuals with Disabilities Education Act (IDEA), have had a major impact on the delivery of services for children with special needs. In light of the legal issues surrounding the delivery of special education to children who attend Christian schools, the remainder of this article is divided into two parts. The first section opens with an overview of relevant litigation pertinent to special education before reviewing Sections 504 and the IDEA, along with its regulations, as they apply to religious schools. The second part offers practical suggestions for educators in Christian elementary and secondary schools as they work to serve children with special needs. 相似文献
399.
400.
Jonas R. Kunst April Bailey Claire Prendergast Aleksander Gundersen 《Media Psychology》2013,16(5):818-843
ABSTRACTOn October 15, 2017, actress Alyssa Milano popularized the #metoo campaign, which sought to expose the prevalence of sexual harassment and assault in public domains by encouraging victims to share their experiences on social media using the hashtag metoo. The online campaign rapidly grew to a global phenomenon, which was generally well supported. However, some criticized the campaign online as a battle of the sexes, which pits men against women. Our cross-cultural research investigated whether gender differences in attitudes and feelings toward #metoo are due to underlying differences in ideologies and experiences that only partly overlap with gender. We surveyed respondents in the United States, where the campaign began, and in Norway, a highly gender-egalitarian country. In both countries, men expressed less positivity toward #metoo than women and perceived it as substantially more harmful and less beneficial. These gender differences were largely accounted for by men being higher than women in hostile sexism, higher in rape myth acceptance, and lower in feminist identification. The results, hence, suggest that gender differences in attitudes to social media campaigns such as #metoo might be best characterized as dimensional ideological differences rather than fundamental group differences. 相似文献