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461.
Motor timing is essential for performing self-initiated movement sequences. Here, we investigated how sequence rhythm, or the timing for co-ordinating movements within a sequence, contributes to action preparation, compared with other processes occurring during sequence planning. First, we recorded the readiness potential (RP) in a condition of complex sequence rhythm and in condition of high demand on the timing for sequence initiation. We found that sequence rhythm and sequence initiation are independent processes, with sequence initiation contributing to early RP. Second, we compared the RP recorded in a condition of complex sequence rhythm and in a condition of complex sequence order, in which a complex combination of finger sub-movements had to be correctly ordered within a sequence. We found that sequence rhythm and sequence order share common processes occurring late RP. We suggest that the preparation for movement involves independent processes devoted to different aspects of motor timing and sequencing. 相似文献
462.
Evidence for successful socio-cognitive training in typical adults is rare. This study attempted to improve Theory of Mind (ToM) and visual perspective taking in healthy adults by training participants to either imitate or to inhibit imitation. Twenty-four hours after training, all participants completed tests of ToM and visual perspective taking. The group trained to inhibit their tendency to imitate showed improved performance on the visual perspective-taking test, but not the ToM test. Neither imitation training, nor general inhibition training, had this effect. These results support a novel theory of social cognition suggesting that the same self-other discrimination process underlies imitation inhibition and perspective taking. Imitation, perspective taking and ToM are all pro-social processes--ways in which we reach out to others. Therefore, it is striking that perspective taking can be enhanced by suppressing imitation; to understand another, sometimes we need, not to get closer, but to pull away. 相似文献
463.
Ash S McMillan C Gross RG Cook P Gunawardena D Morgan B Boller A Siderowf A Grossman M 《Brain and language》2012,120(3):290-302
Few studies have examined connected speech in demented and non-demented patients with Parkinson’s disease (PD). We assessed the speech production of 35 patients with Lewy body spectrum disorder (LBSD), including non-demented PD patients, patients with PD dementia (PDD), and patients with dementia with Lewy bodies (DLB), in a semi-structured narrative speech sample in order to characterize impairments of speech fluency and to determine the factors contributing to reduced speech fluency in these patients. Both demented and non-demented PD patients exhibited reduced speech fluency, characterized by reduced overall speech rate and long pauses between sentences. Reduced speech rate in LBSD correlated with measures of between-utterance pauses, executive functioning, and grammatical comprehension. Regression analyses related non-fluent speech, grammatical difficulty, and executive difficulty to atrophy in frontal brain regions. These findings indicate that multiple factors contribute to slowed speech in LBSD, and this is mediated in part by disease in frontal brain regions. 相似文献
464.
For almost two decades, the federal government has supported the development of integrated models of mental health service delivery for children and families, known as systems of care (SOCs), that strive to be child-centered, family-focused, community-based, and culturally competent. These efforts align well with the values and principles (e.g., empowerment, collaboration, strengths emphasis, focus on macro-level social/system change) central to community psychology (CP; Kloos et al. in Community psychology, Cengage Learning, Belmont, 2012). Despite the convergence of many core values, CPs have historically been underrepresented in key roles in SOC initiatives. However, this has changed in recent years, with increasing examples of community psychology skills and principles applied to the development, implementation, and evaluation of SOCs. Because successful and sustainable implementation of SOCs requires community and system-level change, and SOCs are increasingly being urged to adopt a stronger "public health" orientation (Miles et al. in A public health approach to children's mental health: a conceptual framework, Georgetown University Center for Child and Human Development, National Technical Assistance Center for Children's Mental Health, Washington, DC, 2010), there is great potential for CPs to play important roles in SOCs. This paper discusses opportunities and roles for CPs in SOCs in applied research and evaluation, community practice, and training. 相似文献
465.
Cook JE Calcagno JE Arrow H Malle BF 《The British journal of social psychology / the British Psychological Society》2012,51(2):273-289
An experience sampling study tested the degree to which interactions with out-group members evoked negative affect and behavioural inhibition after controlling for level of friendship between partners. When friendship level was statistically controlled, neither White nor Black participants reported feeling more discomfort interacting with ethnic out-group members compared to ethnic in-group members. When partners differed in sexual orientation, friendship level had a less palliating effect. Controlling for friendship, both gay and straight men - but not women - felt more behaviourally inhibited when interacting with someone who differed in sexual orientation, and heterosexual participants of both genders continued to report more negative affect with gay and lesbian interaction partners. However, gay and lesbian participants reported similar levels of negative affect interacting with in-group (homosexual) and out-group (heterosexual) members after friendship level was controlled. Results suggest that much of the discomfort observed in inter-ethnic interactions may be attributable to lower levels of friendship with out-group partners. The discomfort generated by differences in sexual orientation, however, remains a more stubborn barrier to comfortable inter-group interactions. 相似文献
466.
The Importance of Therapist/Client Ethnic/Racial Matching in Couples Treatment for Domestic Violence
Kyle Horst Marcos Mendez Rebecca Culver-Turner Yvonne Amanor-Boadu Bo Minner Josh Cook Sandra Stith Eric McCollum 《Contemporary Family Therapy》2012,34(1):57-71
Outcome research indicates a relative degree of variability regarding the effectiveness of client and therapist ethnic/racial
matching (see Cabral and Smith 2011; Shin et al. in J Couns Psychol 52(1):45–56, 2005). Considering these findings, our study hopes to further understand the complexity behind ethnic/racial matching in treatment.
In this study, we examined interviews with clients and therapists regarding ethnic/racial matching in couples treatment for
domestic violence (e.g., McCollum and Stith in Violence Vict 23(2):187–201, 2008). Our findings indicated that ethnic/racial matching is a complex multi-faceted issue and connected ethnic/racial matching
with issues of culture, human experience, and others. We recommend clinicians consider the complexity of ethnic/racial matching
in practice. 相似文献
467.
Connie Veazey Karon F. Cook Melinda Stanley Eugene C. Lai Mark E. Kunik 《Journal of clinical psychology in medical settings》2009,16(3):243-253
Parkinson’s disease (PD) is a chronic medical illness with a high incidence of psychiatric comorbidity, specifically depression
and anxiety. Research on treatment of such psychiatric complications is scarce. Non-pharmaceutical treatment options are especially
attractive. Cognitive behavioral therapy (CBT) is a psychotherapeutic treatment option that has been successful in other chronically
medically ill populations with comorbid depression and anxiety. The current research had two aims. The first was to pilot
the feasibility of screening and identifying PD patients with symptoms of anxiety and depression in a specialized outpatient
clinic. The second aim was to pilot the feasibility of telephone-administered CBT for the treatment of depression and anxiety
in persons with PD, which was done through a case series comparing telephone-administered CBT to a Support strategy. A fairly
large portion (67.5%) of patients screened in the outpatient clinic were identified as having symptoms of anxiety and/or depression.
Results also indicated that CBT delivered via the telephone is a useful approach for targeting psychiatric symptoms in this
population. A case example is given to illustrate the clinical considerations associated with delivering therapy via telephone
to persons with PD.
This study was conducted at the Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX. The first author was previously
affiliated with the Houston Center for Quality of Care and Utilization Studies. 相似文献
468.
469.
Fear-relevant selective associations and covariation bias 总被引:2,自引:0,他引:2
Three experiments used an illusory correlation paradigm to assess the effects of fear on the perception of the covariation between fear-relevant stimuli and shock. In Experiment 1, high- and low-fear women were exposed to 72 trials during each of which a fear-relevant (snake or spider) or fear-irrelevant (mushroom and flower) slide was followed by a shock, a tone, or nothing. Although the relation between slide types and outcomes was random, high-fear subjects markedly overestimated the contingency between feared slides and shock. Experiment 2 showed that this bias was due to the aversive, rather than more generally salient, features of shock. Low-fear subjects demonstrated biases equivalent to those of high-fear subjects only when the base rate of shock was increased from 33% to 50% in Experiment 3. It is concluded that fear may be linked to biases that serve to confirm fear. The relevance of the present findings to preparedness theory is also discussed. 相似文献
470.
Data from an early study of alcoholism among half-siblings of alcoholic probands (17) was reanalyzed using log-linear analysis. The original study, which used chi-square analysis, identified genetic factors but found no environmental effects that contributed to the prediction of alcoholism. Log-linear analysis, however, reveals that being reared with a proband is associated with a reduced incidence of alcoholism in half-siblings. The results do not disconfirm the presence of genetic factors, but they do indicate that family dynamics make an independent and statistically significant contribution to the development of alcoholism not heretofore demonstrated. Similarities between these results and the results from studies of identical twins are discussed. 相似文献