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There are indications that different types of maltreatment can lead to different cognitive and behavioural outcomes. This study investigated whether maltreatment type was related to executive functioning (EF) abilities and the use of inner speech. Forty maltreated adolescents and a comparison group of 40 non‐maltreated typically developing adolescents completed a battery of tasks designed to assess both their EF abilities and their vulnerability to disruptions to inner speech. They also completed an IQ test. Multivariate analysis of covariance (MANCOVA) and ANCOVA analyses were carried out to examine potential effects of maltreatment type (abuse alone; neglect alone; abuse/neglect combined and no maltreatment) on EF and use of inner speech. Maltreatment type was related to EF abilities. In particular, abuse only and abuse/neglect combined had a greater negative impact on EF than neglect only. However, the neglect alone group was more vulnerable to disruptions to inner speech than the other two maltreatment groups, suggesting that they may be more reliant on the use of inner speech. These findings provide new insights into the differential impact of maltreatment type on EF and the use of inner speech in adolescence and could be used to improve the educational outcomes of these vulnerable young people. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
533.
It is known that concurrent non-temporal tasks shorten reproduced temporal durations in prospective duration judgments. Two experiments were carried out, one comparing a concurrent temporal task to a minimally demanding concurrent task (Experiment 1) and one comparing an executive concurrent (Simon) task with a less demanding non-executive concurrent task (Experiment 2). An effect of the concurrent task type on temporal reproductions was found. Furthermore, a duration length effect was found, where longer durations were underestimated more than shorter durations. This effect tended to be stronger for the experiments that included a concurrent task that demanded high attention. 相似文献
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Sara Incera 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2018,25(3):443-463
We analyzed the effects of bilingualism and age on executive function. We examined these variables along a continuum, as opposed to dichotomizing them. We investigated the impact that bilingualism and age have on two measures of executive control (Stroop and Flanker). The mouse-tracking paradigm allowed us to examine the continuous dynamics of the responses as participants completed each trial. First, we found that the Stroop effect was reduced with younger age and higher levels of bilingualism; however, no Bilingualism by Age interaction emerged. Second, after controlling for baseline, the Flanker effect was not influenced by bilingualism or age. These results support the notion that bilingualism is one way of enhancing some aspects of executive function – specifically those related to the Stroop task – across the adult life span. In sum, different levels of bilingualism, and different ages, result in varying degrees of executive function as measured by the Stroop task. 相似文献
536.
Lynnette L. Harris Miriam C. Chernoff Sharon L. Nichols Paige L. Williams Patricia A. Garvie Cenk Yildirim 《Child neuropsychology》2018,24(7):938-958
Youth with perinatal HIV infection (PHIV) are at increased risk for neurocognitive impairment (NCI). Prospective memory (PM) is a complex neurocognitive function that has been shown to be impaired in adults with HIV disease and independently associated with poorer daily living skills, including medication nonadherence. The current study sought to determine the presence and extent of PM deficits in youth with PHIV. Participants included 173 youth with PHIV and 85 youth perinatally HIV-exposed but uninfected (PHEU), mean age 14.1 years, 75% black, 18% Hispanic. Among youth with PHIV, 26% had a past AIDS-defining condition (Centers for Disease Control and Prevention [CDC], Class C), 74% did not (non-C). Adjusted generalized estimating equation models were used to compare groups (PHIV/C, PHIV/non-C, and PHEU) on the Naturalistic Event-Based Prospective Memory Test (NEPT) and the Prospective Memory Assessment for Children & Youth (PROMACY). Secondarily, subgroups defined by HIV serostatus and global NCI were compared (PHIV/NCI, PHIV/non-NCI, PHEU). PHIV/C had significantly lower NEPT scores than PHEU, with decreases of 40% in mean scores, but did not differ from PHIV/non-C. PHIV/NCI had 11–32% lower PROMACY scores and 33% lower NEPT scores compared to PHIV/non-NCI (all p < .05); significantly, lower scores for PHIV/NCI versus PHEU also were observed for PROMACY and NEPT indices. Findings suggest a subset of youth with PHIV (those with a prior AIDS-defining diagnosis) is vulnerable to PM deficits. The extent to which PM deficits interfere with development and maintenance of independent living and health-related behaviors during transition to adulthood requires further study. 相似文献
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Does multitasking mediate the relationships between episodic memory,attention, executive functions and apathetic manifestations in traumatic brain injury? 下载免费PDF全文
Annabelle Arnould Lucien Rochat Emilie Dromer Philippe Azouvi Martial Van der Linden 《Journal of Neuropsychology》2018,12(1):101-119
Apathy is frequently described in patients with traumatic brain injury (TBI); its negative consequences particularly affect functional independence. Among apathetic manifestations, lack of initiative and lack of interest have mainly been associated with cognitive impairments. However, few studies have been conducted to precisely identify the underlying cognitive processes. Our aims were (1) to determine the best predictor of apathy from among several cognitive processes, including episodic memory and attention/executive mechanisms and multitasking, and (2) to examine to what extent multitasking could mediate the relationships between specific cognitive processes and lack of initiative/interest. Seventy participants (34 patients with TBI matched with 36 control participants) were given a questionnaire to assess anxio‐depressive symptoms, four tasks to assess specific cognitive processes, and one task to assess real‐life multitasking. Participants’ relatives completed an apathy questionnaire. Multitasking, as assessed by the number of goals not achieved, was the only significant predictor of apathetic manifestations. In addition, the mediation analyses revealed that multitasking performance mediated the relationships between verbal episodic memory and lack of initiative/interest, whereas executive and attentional functions were only indirectly related to lack of initiative/interest due to their significant impacts on multitasking. These results shed new light on the aetiology of apathetic manifestations in patients with TBI, indicating how specific cognitive deficits are expressed in real‐life multitasking, and consequently, how they may lead to the development and/or maintenance of apathetic manifestations. 相似文献
539.
Response inhibition and interference control: Effects of schizophrenia,genetic risk,and schizotypy 下载免费PDF全文
Ulrich Ettinger Désirée S. Aichert Nicola Wöstmann Sandra Dehning Michael Riedel Veena Kumari 《Journal of Neuropsychology》2018,12(3):484-510
The ability to inhibit inappropriate responses and suppress irrelevant information is a core feature of executive control. In this study, we provide a detailed analysis of prepotent response inhibition and interference in patients with schizophrenia. To further test the role of genetic factors and subclinical schizophrenia‐like traits, we additionally studied clinically unaffected, first‐degree relatives of schizophrenia patients and assessed dimensions of schizotypy in both relatives and healthy controls. Inhibition and interference control were assessed using a battery comprising the antisaccade, Stroop, stop signal, go/no‐go, flanker, and Simon tasks. Schizophrenia patients differed from both relatives and controls in making more errors on the antisaccade task and having longer response times on the Stroop task, especially the incongruent condition. Patients also had general, that is, condition independent, increases in reaction times on the go/no‐go and flanker tasks and made more errors on the flanker and Simon tasks, suggesting general performance impairments independent of inhibitory demand. Relatives were characterized by hypometric antisaccade amplitude gain despite normal prosaccades, suggesting a selective deficit in non‐standard sensorimotor transformations. Schizotypy was correlated with inhibitory performance across a number of tasks in both relatives and controls. Generally, these effects were independent of verbal intelligence levels. Overall, the findings point to rather selective impairments of inhibitory control in the schizophrenia spectrum and confirm a previously observed deficit in antisaccade spatial accuracy as an endophenotype of schizophrenia. 相似文献
540.
贫困儿童往往表现出较差的执行功能,贫困的长期危害甚至持续到成人期。为揭示贫困与儿童执行功能弱化之间的作用机制,已有研究分别从行为、生理和脑层面开展了探索。本文沿着行为-生理-脑的内在联系与思路,系统地梳理了有关单一风险、累积风险、剥夺性风险、适应负荷以及前额叶结构和功能等内在机制的最新研究。最后提出未来研究可以关注贫困对儿童执行功能某些成分的塑造、聚焦剥夺性风险因素的作用机制、开展适应负荷生理机制和相关脑区激活的认知神经机制等方面的研究,以构建行为-生理-脑的整合框架,进一步拓展未来研究领域。 相似文献