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排序方式: 共有843条查询结果,搜索用时 31 毫秒
261.
Reports an error in "Age of onset of marijuana use and executive function" by Staci A. Gruber, Kelly A. Sagar, Mary Kathryn Dahlgren, Megan Racine and Scott E. Lukas (Psychology of Addictive Behaviors, Advanced Online Publication, Nov 21, 2011, np). Figure 1 should have been presented in color. All versions of this article have been corrected. (The following abstract of the original article appeared in record 2011-27123-001.) Marijuana (MJ) remains the most widely abused illicit substance in the United States, and in recent years, a decline in perceived risk of MJ use has been accompanied by a simultaneous increase in rates of use among adolescents. In this study, the authors hypothesized that chronic MJ smokers would perform cognitive tasks, specifically those that require executive function, more poorly than control subjects and that individuals who started smoking MJ regularly prior to age 16 (early onset) would have more difficulty than those who started after age 16 (late onset). Thirty-four chronic, heavy MJ smokers separated into early and late onset groups, and 28 non-MJ smoking controls completed a battery of neurocognitive measures. As hypothesized, MJ smokers performed more poorly than controls on several measures of executive function. Age of onset analyses revealed that these between-group differences were largely attributed to the early onset group, who were also shown to smoke twice as often and nearly 3 times as much MJ per week relative to the late onset smokers. Age of onset, frequency, and magnitude of MJ use were all shown to impact cognitive performance. Findings suggest that earlier MJ onset is related to poorer cognitive function and increased frequency and magnitude of MJ use relative to later MJ onset. Exposure to MJ during a period of neurodevelopmental vulnerability, such as adolescence, may result in altered brain development and enduring neuropsychological changes. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
262.
Fitzsimmons-Craft EE Harney MB Koehler LG Danzi LE Riddell MK Bardone-Cone AM 《Body image》2012,9(1):43-49
Sociocultural models of disordered eating lack comprehensive explanations as to how thin ideal internalization leads to body dissatisfaction. This study examined two social psychological theories as explanations of this relation, namely social comparison and objectification theories, in a sample of 265 women attending a Southeastern university. Social comparison (both general and appearance-related) and body surveillance (the indicator of objectification) were tested as mediators of the relation between thin ideal internalization and body dissatisfaction using bootstrapping analyses. Results indicated that body surveillance was a significant specific mediator of this relation; however, neither operationalization of social comparison emerged as such. Results serve to elaborate upon the sociocultural model of disordered eating by providing a more comprehensive understanding of the processes by which thin ideal internalization manifests itself in body dissatisfaction. The current findings also highlight the importance of targeting body surveillance in clinical settings. 相似文献
263.
Ira E. Hyman Jr. Naomi K. Burland Hollyann M. Duskin Megan C. Cook Christina M. Roy Jessie C. McGrath Rebecca F. Roundhill 《Applied cognitive psychology》2013,27(2):204-215
Summary: Having a song stuck in your head is a commonly experienced intrusive thought. We explored the intrusive song phenomenon through a survey, an experimental diary study, and three laboratory experiments. Contrary to the belief that only obnoxious songs get stuck, we found that songs people know and like frequently became intrusive. We also found that intrusive songs followed environmental cues. In addition, if a song continued to play in someone's head immediately after listening to it, the song was likely to return as an intrusive song within the next 24 hours. Similar to mind wandering, the return of intrusive songs depended on cognitive resources: people reported that intrusive songs returned during low cognitive load activities, and we found that overloading the cognitive systems with challenging activities increased intrusive song frequency. Throughout our studies, we easily created and manipulated intrusive song experiences. Songs provide a valuable method to investigate intrusive thoughts. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
264.
Renshall Kate Rhodes Paul Brown Jenny Michelle Donnelly Holly Donnelly Megan Gosbee Melanie Mence Maria Milic Katie Treanor Dean Wainer 《Contemporary Family Therapy》2013,35(4):684-697
The role of the therapist as a person rather than only as a technician has become increasingly important in family therapy since the post-modern turn. Despite this there is a paucity of research exploring supervision models that focus on self-reflection, as opposed to clinical competence. This study documents the experience of a Family of Origin Coaching group, conducted with six clinicians and one supervisor working in a child and adolescent mental health service. A participatory action framework was used, with data analysed using grounded theory. A variety of benefits were reported, including personal development, an enhanced empathy towards clients and an ability to better cope with stressful team dynamics. Family of Origin coaching has the potential to yield benefits for clinicians as a compliment to traditional supervision. Issues of confidentiality and safety need to be addressed carefully, especially during times of organisational change or stress. 相似文献
265.
Alison M. Gomes Megan M. Spencer-Smith Rani K. Jacobs Lee Coleman Vicki A. Anderson 《Child neuropsychology》2013,19(4):392-403
Attention and social functioning and their interrelationships have not been routinely examined in children with early brain insult (EBI). This study aimed to describe attention and social functioning in children with two types of EBI: malformations of cortical development (MCD) and stroke. Children diagnosed with MCD (n?=?14, 6 males) or stroke (n?=?14, 8 males) aged 8 to 14 years (M?=?12 years 11 months) completed neuropsychological assessments to examine attention processes. Primary caregivers completed a questionnaire to assess executive components of children's attention and teachers completed a questionnaire to measure children's social functioning. Brain scans (MRI or CT) were coded by a pediatric neuroradiologist. Higher rates of impairments in attention and social function were found in children with EBI compared with normative expectations. Children with MCD experienced more global and clinically significant levels of impairment than children with stroke; though impairments were present in both groups. A strong association between executive components of attention and social function was observed. In addition, complex attention processes were associated with social function. The findings emphasize the reciprocity between attention, behavior and social outcomes, and the vulnerability of social function following EBI. 相似文献
266.
Mary S. Green Megan J. Murphy Markie Blumer Devon Palmanteer 《The American journal of family therapy》2013,41(2):159-168
As professionals, therapists should be prepared to work with a diverse population. The purpose of this study was to explore predictors of American Association of Marriage and Family Therapy Clinical Members' comfort level in working with gay and lesbian individuals, couples, and families. Results indicated that therapists' scores on the Support for Lesbian and Gay Human Rights Scale predicted their comfort level in working with gay and lesbian individuals, couples, and families. The challenge for training programs is to assist therapists-in-training and supervisors with self-exploration and to increase opportunities for interactions with gays and lesbians. 相似文献
267.
Ashley Scudder Cassandra Wong Nicole Ober Megan Hoffman Jodi Toscolani 《Child & family behavior therapy》2013,35(4):201-220
AbstractParent–child interaction therapy (PCIT) is an evidence-based treatment for typically developing children with disruptive behavior. We conducted a randomized-controlled trial of PCIT versus wait-list control (WLC) with 23 children with ASD (3–7?years) and disruptive behavior. Over 16 treatment sessions, PCIT significantly predicted reductions in disruptive behavior over WLC and explained a significant variation in scores on the ECBI Intensity subscale. Additionally, parent skills improved significantly compared to WLC. However, no statistically significant group differences were found on child compliance rates, autism severity, or parental stress. Results support PCIT as an evidence-based treatment for disruptive behavior in ASD.
- Highlights
Parent skills were significantly improved for those receiving PCIT
Intensity of disruptive behaviors decreased significantly for those receiving PCIT
Parental stress and autism severity did not significantly decrease with PCIT
268.
269.
Mary Ann Foley Rebecca Brooke Bays Jeffrey Foy Mila Woodfield 《Memory (Hove, England)》2013,21(5):714-735
In three experiments, we examine the extent to which participants’ memory errors are affected by the perceptual features of an encoding series and imagery generation processes. Perceptual features were examined by manipulating the features associated with individual items as well as the relationships among items. An encoding instruction manipulation was included to examine the effects of explicit requests to generate images. In all three experiments, participants falsely claimed to have seen pictures of items presented as words, committing picture misattribution errors. These misattribution errors were exaggerated when the perceptual resemblance between pictures and images was relatively high (Experiment 1) and when explicit requests to generate images were omitted from encoding instructions (Experiments 1 and 2). When perceptual cues made the thematic relationships among items salient, the level and pattern of misattribution errors were also affected (Experiments 2 and 3). Results address alternative views about the nature of internal representations resulting in misattribution errors and refute the idea that these errors reflect only participants’ general impressions or beliefs about what was seen. 相似文献
270.
Megan G. Schmidt John T. Rapp Marissa A. Novotny Elizabeth A. Lood 《Behavioral Interventions》2013,28(1):58-81
Several studies have evaluated false positives and false negatives produced with partial interval recording (PIR) and momentary time sampling (MTS) using simulated data. However, no study to date has evaluated false positives and negatives using a large sample of non‐simulated behaviors. In addition, few studies have evaluated whether interval methods of data collection alter trends that are evident in continuous records. We conducted three experiments to evaluate the extent to which various interval sizes of MTS and PIR produced false negatives (Experiment 1), false positives (Experiment 2), and trends that were inconsistent with the continuous records (Experiment 3). Collectively, the results show the following: (i) 10‐s PIR and 10‐s MTS produced few false negatives and few false positives (i.e., both were sensitive) to changes in duration events; (ii) 10‐s PIR produced very few false negatives, but an unexpected high percentage of false positives for frequency events; and (iii) each interval size of PIR and MTS produced a high percentage of changes in trending for duration events and frequency events. We briefly discuss the potential limitations and clinical implications of these findings. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献