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151.
已有研究显示,关联再认可记录到分别反映双重加工模型的两阶段(即熟悉和回忆)的ERP成分(即FN400和LPC成分),且具有高语义联系配对的关联再认可通过整合在基于熟悉加工的基础上完成。然而,不同语义联系对关联再认神经机制的影响及单个项目的熟悉和回忆加工的调节作用尚未揭示。为此,本研究比较了主题相关和类别相关图形关联再认的波形波幅异同,并分析了单个项目的熟悉和回忆加工对配对识别的影响。结果显示,主题相关和类别相关条件的旧配对、重组配对和“旧+新”配对均记录到反映熟悉加工的FN400成分,主题相关条件的旧配对、重组配对和“旧+新”配对均记录到反映回忆加工的LPC成分,类别相关条件的旧配对记录到LPC成分。表明关联再认的神经机制受语义联系所调节,单个项目的熟悉程度可影响配对识别时的神经机制,上述结论支持双重加工模型。 相似文献
152.
The contribution of executive control to semantic cognition: Convergent evidence from semantic aphasia and executive dysfunction
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Hannah E. Thompson Azizah Almaghyuli Krist A. Noonan Ohr barak Matthew A. Lambon Ralph Elizabeth Jefferies 《Journal of Neuropsychology》2018,12(2):312-340
Semantic cognition, as described by the controlled semantic cognition (CSC) framework (Rogers et al., 2015 , Neuropsychologia, 76, 220), involves two key components: activation of coherent, generalizable concepts within a heteromodal ‘hub’ in combination with modality‐specific features (spokes), and a constraining mechanism that manipulates and gates this knowledge to generate time‐ and task‐appropriate behaviour. Executive–semantic goal representations, largely supported by executive regions such as frontal and parietal cortex, are thought to allow the generation of non‐dominant aspects of knowledge when these are appropriate for the task or context. Semantic aphasia (SA) patients have executive–semantic deficits, and these are correlated with general executive impairment. If the CSC proposal is correct, patients with executive impairment should not only exhibit impaired semantic cognition, but should also show characteristics that align with those observed in SA. This possibility remains largely untested, as patients selected on the basis that they show executive impairment (i.e., with ‘dysexecutive syndrome’) have not been extensively tested on tasks tapping semantic control and have not been previously compared with SA cases. We explored conceptual processing in 12 patients showing symptoms consistent with dysexecutive syndrome (DYS) and 24 SA patients, using a range of multimodal semantic assessments which manipulated control demands. Patients with executive impairments, despite not being selected to show semantic impairments, nevertheless showed parallel patterns to SA cases. They showed strong effects of distractor strength, cues and miscues, and probe–target distance, plus minimal effects of word frequency on comprehension (unlike semantic dementia patients with degradation of conceptual knowledge). This supports a component process account of semantic cognition in which retrieval is shaped by control processes, and confirms that deficits in SA patients reflect difficulty controlling semantic retrieval. 相似文献
153.
为探讨家庭功能影响青少年消极冒险行为的作用机制及条件,采用青少年冒险行为问卷、家庭功能问卷、自尊问卷、同伴群体特征问卷对山东省日照市940名初高中学生进行调查。结果发现:(1)家庭功能不良不仅可直接预测青少年更多的消极冒险行为,而且也可通过使青少年交往更多不良同伴进而使其冒险行为进一步增多;(2)不良同伴交往对青少年消极冒险行为的预测受到个体自尊的调节。低自尊个体更容易受到不良同伴交往的影响而发生更多的消极冒险行为,表现出两风险因素的叠加效应。研究结果提示,家庭是青少年健康成长的基础,家庭功能不良可使青少年适应不良,塑造良好的同伴环境、培养良好的自我素质或可降低这一风险。 相似文献
154.
Lindsay Myerberg Brendan A. Rich Lisa Berghorst Mary K. Alvord 《Child & family behavior therapy》2018,40(1):40-64
Prior research suggests children’s involvement in organized activities predicts positive outcomes, although benefits for youth with psychosocial deficits remain unclear. This study examines if activity participation predicts response to a group therapy program for children with psychosocial deficits and if improvements depend on children’s functioning within the organized activity context. Participants were 178 children (M age?=?9.6 years) enrolled in a group therapy program. Greater activity participation significantly predicted improvements in family functioning and social skills, suggesting the value of participation in organized activities for youth with psychosocial deficits. 相似文献
155.
Yingqiu Wu Arie Dijkstra Simon E. Dalley Florentine S. Roerink 《Psychology & health》2018,33(8):1028-1048
Objectives: When the course of a disease can be positively changed by health professionals the disease can be indicated as ‘highly treatable’. This ‘high treatability information’ (HTI) may have negative side-effects on people’s preventative motivation. This study examined the effects of HTI regarding skin cancer on preventative motivation.Design: This study employed a 2 (high treatability (HTI) versus low treatability (LTI)) × 2 (high versus low susceptibility)?experiment with a hanging control group. (family) History and self-efficacy were assessed as moderators. Participants (N = 309) were randomly assigned to one of the five conditions.Main outcome measures: The main outcome was intention to engage in preventative actions regarding skin cancer.Results: HTI significantly lowered the intention compared to LTI, under the condition of high susceptibility in people with low self-efficacy. In addition, in people with a (family) history of skin cancer, HTI significantly lowered the intention compared to the no-information group.Conclusion: HTI regarding skin cancer can cause a drop in the preventative motivation. The effects can be conceptualised as negative side-effects of HTI. As substantial proportions of the general population have a (family) history of skin cancer or low self-efficacy, the side-effects may be widespread, possibly increasing the incidence of skin cancer. 相似文献
156.
以应激-易感模型为依据考察冲动性特质与自杀意念的关系,并在此基础上提出一个有调节的中介模型,探讨负性生活事件影响的中介作用以及家庭环境的调节作用。采用巴瑞特冲动性量表、青少年生活事件量表、家庭环境量表、贝克自杀意念量表对902名大学生进行集体施测,旨在考察负性生活事件的影响对大学生冲动性特质与自杀意念的中介作用以及家庭环境的调节作用,结果表明:(1)冲动性特质和负性生活事件的影响能正向预测大学生的自杀意念;(2)负性生活事件的影响在冲动性特质和自杀意念之间起中介作用;(3)负性生活事件影响的中介作用和冲动性特质的直接作用受家庭环境的调节。这些结果对于综合解释环境与个体因素对自杀意念的作用与机制具有重要意义。 相似文献
157.
The Role of Character Strengths and Importance of Family on Mexican American College Students' Career Decision Self‐Efficacy
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Javier Cavazos Vela Gregory Scott Sparrow James F. Whittenberg Basilio Rodriguez 《Journal of Employment Counseling》2018,55(1):16-26
This study examined how character strengths and the importance of family influenced Mexican American college students' (N = 129) career decision self‐efficacy. Findings from a multiple regression analysis indicated that psychological grit and curiosity were significant predictors of career decision self‐efficacy. The authors discuss the importance of these findings and provide recommendations for future research. 相似文献
158.
EXAMINING LONG‐TERM EFFECTS OF AN INFANT MENTAL HEALTH HOME‐BASED EARLY HEAD START PROGRAM ON FAMILY STRENGTHS AND RESILIENCE
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159.
160.
Matthew Jones 《International Journal of Philosophical Studies》2015,23(3):425-443
AbstractThe thesis that meaning is normative has come under much scrutiny of late. However, there are aspects of the view that have received comparatively little critical attention which centre on meaning’s capacity to guide and justify linguistic action. Call such a view ‘justification normativity’ (JN). I outline Zalabardo’s (1997) account of JN and his corresponding argument against reductive-naturalistic meaning-factualism and argue that the argument presents a genuine challenge to account for the guiding role of meaning in linguistic action. I then present a proposal regarding how this challenge may be met. This proposal is then compared to recent work by Ginsborg (2011; 2012), who has outlined an alternative view of the normativity of meaning that explicitly rejects the idea that meanings guide and justify linguistic use. I outline how Ginsborg utilises this notion of normativity in order to provide a positive account of what it is to mean something by an expression which is intended to serve as a response to Kripke’s semantic sceptic. Finally, I argue that Ginsborg’s response to the sceptic is unsatisfactory, and that, insofar as it is able to preserve our intuitive view of meaning’s capacity to guide linguistic action, my proposal is to be preferred. 相似文献