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271.
Enhancement of inhibitory avoidance and conditioned taste aversion memory with insular cortex infusions of 8-Br-cAMP: involvement of the basolateral amygdala 下载免费PDF全文
There is considerable evidence that in rats, the insular cortex (IC) and amygdala are involved in the learning and memory of aversively motivated tasks. The present experiments examined the effects of 8-Br-cAMP, an analog of cAMP, and oxotremorine, a muscarinic agonist, infused into the IC after inhibitory avoidance (IA) training and during the acquisition/consolidation of conditioned taste aversion (CTA). Posttraining infusion into the IC of 0.3 microg oxotremorine and 1.25 microg 8-Br-cAMP enhanced IA retention. Infusions of 8-Br-cAMP, but not oxotremorine, into the IC enhanced taste aversion. The experiments also examined whether noradrenergic activity in the basolateral amygdala (BLA) is critical in enabling the enhancement of CTA and IA memory induced by drug infusions administered into the IC. For both CTA and IA, ipsilateral infusions of beta-adrenergic antagonist propranolol administered into the BLA blocked the retention-enhancing effect of 8-Br-cAMP or oxotremorine infused into the IC. These results indicate that the IC is involved in the consolidation of memory for both IA and CTA, and this effect requires intact noradrenergic activity into the BLA. These findings provide additional evidence that the BLA interacts with other brain regions, including sensory cortex, in modulating memory consolidation. 相似文献
272.
Wells GL Malpass RS Lindsay RC Fisher RP Turtle JW Fulero SM 《The American psychologist》2000,55(6):581-598
The U.S. Department of Justice released the first national guide for collecting and preserving eyewitness evidence in October 1999. Scientific psychology played a large role in making a case for these procedural guidelines as well as in setting a scientific foundation for the guidelines, and eyewitness researchers directly participated in writing them. The authors describe how eyewitness researchers shaped understanding of eyewitness evidence issues over a long period of time through research and theory on system variables. Additional pressure for guidelines was applied by psychologists through expert testimony that focused on deficiencies in the procedures used to collect the eyewitness evidence. DNA exoneration cases were particularly important in leading U.S. Attorney General Janet Reno to notice the eyewitness literature in psychology and to order the National Institute of Justice to coordinate the development of national guidelines. The authors describe their experience as members of the working group, which included prosecutors, defense lawyers, and law enforcement officers from across the country. 相似文献
273.
Hirshman E Wells E Wierman ME Anderson B Butler A Senholzi M Fisher J 《Psychonomic bulletin & review》2003,10(1):125-134
In this article, the theoretical distinction between recognition memory decision and discrimination processes is used to explore the effect of dehydroepiandrosterone (DHEA) in postmenopausal women. DHEA is an adrenal steroid that diminishes with aging. It has enhanced memory in laboratory animals. An 8-week placebo-controlled, double-blind experiment in which 30 women (ages 39–70) received a 50-mg/day oral dose of DHEA for 4 weeks demonstrated that DHEA made subjects more conservative (i.e., less likely to call test items “old”) in their recognition memory decisions and enhanced recognition memory discrimination for items presented briefly. The former result may reflect an empirical regularity (Hirshman, 1995) in whichrecent strong memory experiences make participants more conservative. The latter result may reflect the effect of DHEA on visual perception, with consequent effects on memory. These results suggest the methodological importance of focusing on decision processes when examining the effects of hormones on memory. 相似文献
274.
Four experiments are reported in which the effects of peripheral cues on visual orienting were investigated. In the luminance condition, the cues consisted of a peripheral change in stimulus luminance. In the isoluminance condition, the cues consisted of an isoluminant color change, using the transient tritanopic technique. In Experiments 1 and 2, it was found that peripheral luminance cues captured attention, whereas peripheral isoluminance cues did not. In Experiments 3 and 4, the participants detected a peripheral target that was also isoluminant with the background. Under these conditions, it was found that both luminance and isoluminance cues captured attention. The results are discussed in terms of the roles of the dorsal and ventral streams in visual orienting, and it is concluded that our findings provide partial support for the contingent involuntary orienting hypothesis of C. Folk and colleagues. 相似文献
275.
Bad but bold: Ambivalent attitudes toward men predict gender inequality in 16 nations 总被引:4,自引:0,他引:4
Glick P Lameiras M Fiske ST Eckes T Masser B Volpato C Manganelli AM Pek JC Huang LL Sakalli-Ugurlu N Rodríguez Castro Y Pereira ML Willemsen TM Brunner A Six-Materna I Wells R Glick P 《Journal of personality and social psychology》2004,86(5):713-728
A 16-nation study involving 8,360 participants revealed that hostile and benevolent attitudes toward men, assessed by the Ambivalence Toward Men Inventory (P. Click & S.T. Fiske, 1999), were (a) reliably measured across cultures, (b) positively correlated (for men and women, within samples and across nations) with each other and with hostile and benevolent sexism toward women (Ambivalent Sexism Inventory, P. Click & S.T. Fiske, 1996), and (c) negatively correlated with gender equality in cross-national comparisons. Stereotype measures indicated that men were viewed as having less positively valenced but more powerful traits than women. The authors argue that hostile as well as benevolent attitudes toward men reflect and support gender inequality by characterizing men as being designed for dominance. 相似文献
276.
Nine Months of Multicomponent Behavioral Treatment for ADHD and Effectiveness of MTA Fading Procedures 总被引:3,自引:0,他引:3
Arnold LE Chuang S Davies M Abikoff HB Conners CK Elliott GR Greenhill LL Hechtman L Hinshaw SP Hoza B Jensen PS Kraemer HC Langworthy-Lam KS March JS Newcorn JH Pelham WE Severe JB Swanson JM Vitiello B Wells KC Wigal T 《Journal of abnormal child psychology》2004,32(1):39-51
We examined 9-month data from the 14-month NIMH Multimodal Treatment Study of Children with ADHD (the MTA) as a further check on the relative effect of medication (MedMgt) and behavioral treatment (Beh) for attention-deficit/hyperactivity disorder (ADHD) while Beh was still being delivered at greater intensity than at 14-month endpoint, and conversely as a check on the efficacy of the MTA behavioral generalization/maintenance procedures. Intention-to-treat analysis at 9 months showed essentially the same results as at 14 months, after Beh had been completely faded; MedMgt and the combination (Comb) of medication and Beh were significantly superior to Beh and community care (CC) for ADHD and oppositional-defiant (ODD) symptoms, with mixed results for social skills and internalizing symptoms. All treatment-group differences examined as changes in slopes from 9 to 14 months were nonsignificant (we found general improvement for all groups). Slopes from baseline to 9 months correlated highly (r > .74, p < .0001) with slopes from baseline to 14 months for all groups. The time function from baseline to 14 months showed a significant linear, but not quadratic, trend for the main outcome measure (a composite of parent- and teacher-rated ADHD and ODD symptoms) for all groups. Findings suggest that in contrast to the hypothesized deterioration in the relative benefit of Beh between 9 and 14 months (after completion of fading), the MTA Beh generalization and maintenance procedures implemented through 9 months apparently yielded continuing improvement through 14 months, with preservation of the relative position of Beh compared to other treatment strategies. 相似文献
277.
Social phobia is a common and disabling anxiety disorder. The most effective psychological treatments for social phobia are cognitive therapy and exposure. However, the degree of improvement across these treatments is variable, and their implementation is costly and time-consuming. This study aimed to conduct a preliminary clinical evaluation of the effectiveness of a brief, new form of cognitive therapy based on a recent cognitive model of social phobia. Six consecutively referred patients with social phobia were treated using established single case series methodology. Brief cognitive therapy was effective with all patients demonstrating clinically significant improvements in all measures. Treatment gains were maintained at follow-up. The mean number of treatment sessions delivered was 5.5 and improvements compare favourably with previous treatment studies. Brief cognitive therapy for social phobia appears promising and it is potentially cost-effective. Future randomised and controlled evaluations of this brief treatment are warranted. 相似文献
278.
Wells Yvonne Fetherstonhaugh Deirdre Hunter Nicholas J. R. 《Journal of religion and health》2021,60(3):2077-2091
Journal of Religion and Health - This mixed methods study explored challenges faced by pastoral care workers. A development phase preceded an on-line survey completed by chaplains and pastoral... 相似文献
279.
280.