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31.
The mu opioid receptor may constitute a critical component of a negative feedback system that regulates Pavlovian fear conditioning. We investigated context fear conditioning acquisition and expression in mu opioid receptor knockout mice (on an inbred, C57 genetic background). We discovered that the mu receptor knockout results in an unexpected and significant deficit in context fear acquisition. Mice lacking the mu receptor showed normal fear acquisition when subjected to a 1-day fear conditioning protocol but evinced deficient fear learning when acquisition was conducted across 5 days. The knockout mice showed normal reactivity to footshock in both fear conditioning protocols. Finally, we confirmed the effectiveness of the receptor deletion in the C57 strain by subjecting the mice to a test of morphine analgesia in the hot-plate assay. As has been seen with mixed genetic background, the receptor deletion resulted in a complete lack of analgesic response to 10 mg/kg morphine. Surprisingly, mice with a single copy of the mu receptor gene (heterozygous knockouts) showed intact sensitivity to morphine but a significant deficit in Pavlovian fear conditioning. The results indicate that deletion of the mu receptor gene impairs fear conditioning and that the conditioning and analgesia effects of heterozygous deletion are dissociable. The conditioning deficit seen in this line of mice may be related to impairment in hippocampus function. 相似文献
32.
The present study evaluated the effectiveness of the Positive Parenting Program (Triple P) with a sample of Chinese parents of children with early onset conduct-related problems in Hong Kong. The participants consisted of 91 parents whose children attended maternal and child health centers and child assessment centers for service, and were between three to seven years old. Participants were randomly assigned to the intervention (TP) and a waitlist control group (WL). There was no significant difference in pre-intervention measures between the two groups. However, at post intervention, participants in the TP group reported significantly lower levels of child behavior problems, lower dysfunctional parenting styles, and higher parent sense of competence, compared to the WL group. Implications of these findings for the use of Triple P with families of Chinese descent are discussed. 相似文献
33.
Seventy-nine high school seniors were administered the Center for Epidemiological Studies Depression Scale (CES-D), as well as a questionnaire on parent relationships, peer relationships, positive and negative feelings including suicidal thoughts, and lifestyle variables including academic performance, exercise, and drug use. The group of adolescents who scored above the clinical cutoff for depression on the CES-D (n = 29) had poorer relations with parents. Further, the incidence of paternal depression in that group was greater. The depressed adolescents also had less optimal peer relationships, fewer friends, and were less popular. They experienced less happiness and more frequent suicidal thoughts. They spent less time doing homework, had a lower grade point average, and spent less time exercising. The depressed group also reported more use of marijuana and cocaine. A stepwise regression indicated that physical affection with parents, homework, well-being, exercise, happiness, and parent relations explained 55% of the variance. 相似文献
34.
Two psychological refractory period (PRP) experiments were conducted to examine overlapping processing in younger and older adults. A shape discrimination task (triangle or rectangle) for Task 1 (T1) and a lexical-decision task (word or nonword) for Task 2 (T2) were used. PRP effects, response time for T2 increasing as stimulus onset synchrony (SOA) decreased, were obtained for both age groups. The effect of word frequency on T2 was smaller at the short SOA than at the long SOA, reflecting slack effects, which were larger for older than younger adults in both experiments. These results suggest that older adults can perform lexical access of T2 in parallel with the processing of T1 at least as efficiently as younger adults. 相似文献
35.
Parenting interventions based on social learning principles are amongst the most effective interventions available to prevent and manage social, emotional and behavioral problems in children and adolescents. The most successful programs employ active skills training methods (modeling, rehearsal, practice, feedback and homework) to teach new parenting skills. However, effective parent consultation also involves a broader range of interpersonal and process skills such as building a collaborative relationship, facilitating parent receptivity to new ideas or skills, managing within session resistance, and important micro skills associated with clinical tasks such as promoting parents self-regulation, independent problem solving and autonomy. This paper aims to articulate the “hidden” technology of effective parent consultation and identify implications for research on mechanisms of change in parenting interventions and practitioner training. 相似文献
36.
Foran-Tuller K Robiner WN Breland-Noble A Otey-Scott S Wryobeck J King C Sanders K 《Journal of clinical psychology in medical settings》2012,19(1):117-125
The purpose of this article is to describe a pilot mentoring program for Early Career Psychologists (ECPs) working in Academic
Health Centers (AHCs) and synthesize the lessons learned to contribute to future ECP and AHC career development training programs.
The authors describe an early career development model, named the Early Career Boot Camp. This intensive experience was conducted
as a workshop meant to build a supportive network and to provide mentorship and survival tools for working in AHCs. Four major
components were addressed: professional effectiveness, clinical supervision, strategic career planning, and academic research.
Nineteen attendees who were currently less than 5 years post completion of doctoral graduate programs in psychology participated
in the program. The majority of boot camp components were rated as good to excellent, with no component receiving below average
ratings. Of the components offered within the boot camp, mentoring and research activities were rated the strongest, followed
by educational activities, challenges in AHCS, and promotion and tenure. The article describes the purpose, development, implementation,
and assessment of the program in detail in an effort to provide an established outline for future organizations to utilize
when mentoring ECPs. 相似文献
37.
Michelle vanDellen Matthew Sanders Gráinne M. Fitzsimons 《Journal of experimental social psychology》2012,48(5):1100-1105
People often encounter self-control challenges in complex everyday environments in which objects that promote a given goal (e.g., to eat healthily) are mixed together with objects that obstruct that goal. For example, healthy and unhealthy food choices are often mixed together in restaurant menus. Because local processing facilitates attention to low-level details, we expect that it may play an important role in these complex situations. In the present studies, we test the hypothesis that local processing supports self-control when goal items and temptations are contextually paired. As predicted, our findings revealed that local processing (relative to global processing) increased evaluations of healthy items when those items were presented together with unhealthy items. As hypothesized, this effect of local processing only occurred when healthy and unhealthy foods were presented as complementary – not competing – options, suggesting that local processing may increase evaluations of healthy options by decreasing the extent to which individuals accept environmental cues that healthy and unhealthy foods belong together. These findings support recent research demonstrating that despite strong evidence of the advantages of global processing for self-control, local processing may also support self-control efforts in some important everyday situations. 相似文献
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This study demonstrated the use of quantitative content validity procedures in the development of a job-related behavioral rating scale criterion for entry-level psychiatric aides. Work behavior items were developed by staff from 6 state psychiatric hospitals, placed in a content validity questionnaire using the Lawshe format, and given to a representative sample of 38 aides and supervisors. Seventy-eight of 83 items were found to be significantly job-relevant using the computation procedures of both Lawshe and Aiken. After the significant items were grouped into 4 categories with high interjudge agreement and placed in a rating scale format, ratings were obtained on 72 psychiatric aides from 4 hospitals. Items in the 4 categories were found to be internally consistent using coefficient alpha. Significant but low concurrent validities were established for 2 verbal ability selection tests using the rating criterion. The validities found were interpreted to be especially significant when the factors of low selection ratio, restriction in range, and limited rater training were considered. 相似文献