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941.
942.
Niendam TA Laird AR Ray KL Dean YM Glahn DC Carter CS 《Cognitive, affective & behavioral neuroscience》2012,12(2):241-268
Classic cognitive theory conceptualizes executive functions as involving multiple specific domains, including initiation,
inhibition, working memory, flexibility, planning, and vigilance. Lesion and neuroimaging experiments over the past two decades
have suggested that both common and unique processes contribute to executive functions during higher cognition. It has been
suggested that a superordinate fronto–cingulo–parietal network supporting cognitive control may also underlie a range of distinct
executive functions. To test this hypothesis in the largest sample to date, we used quantitative meta-analytic methods to
analyze 193 functional neuroimaging studies of 2,832 healthy individuals, ages 18–60, in which performance on executive function
measures was contrasted with an active control condition. A common pattern of activation was observed in the prefrontal, dorsal
anterior cingulate, and parietal cortices across executive function domains, supporting the idea that executive functions
are supported by a superordinate cognitive control network. However, domain-specific analyses showed some variation in the
recruitment of anterior prefrontal cortex, anterior and midcingulate regions, and unique subcortical regions such as the basal
ganglia and cerebellum. These results are consistent with the existence of a superordinate cognitive control network in the
brain, involving dorsolateral prefrontal, anterior cingulate, and parietal cortices, that supports a broad range of executive
functions. 相似文献
943.
944.
Paula Cameron 《希帕蒂亚:女权主义哲学杂志》2012,27(2):423-439
Sites of embodied disruption challenge academics to engage with power at its seams. In this article I consider an ethics of embodiment, situating it within questions raised by Judith Butler in her articles, “Doing Justice to Someone” (Butler 2001a) and “Giving an Account of Oneself” (Butler 2001b). In “Giving an Account,” Butler claims that gaps in knowledge and representation are germane to ethical practice, that brave inadequacies and creative approximations are the best we can do for others and ourselves. In “Doing Justice,” Butler enacts this stance, recounting the story of David Reimer, a child who in 1965 was offered up to science after his penis was severed in a botched circumcision. She seizes upon, through narrative fragments, a body whose sexual indeterminacy became the site and occasion for particularly brutal regimes of interpretation. Butler situates this patchwork narrative within the academic industry that reappropriates David's story for its own purposes. Taking Butler's ideas to heart, I carefully trace the nuances of her argument and highlight the (necessary) silences and foreclosures of her account. I propose “seamfulness” as a possible ethical‐aesthetic strategy for embodying Butler's ethical concerns. I close by briefly introducing some implications for arts‐informed representations in academic work. 相似文献
945.
Cohn AM Cameron AY Udo T Hagman BT Mitchell J Bramm S Ehlke S 《Psychology of addictive behaviors》2012,26(2):318-324
Problem drinkers may use alcohol to avoid negative mood states and may develop implicit cognitive associations between negative emotional states and reinforcing properties of drinking. It is paradoxical that attempts to control drinking, such as among those high in drinking restraint, may inadvertently increase desire to drink and subsequent alcohol consumption, and this may be exaggerated under times of emotional distress when urges to drink are high. We examined whether individuals who are high on drinking restraint would demonstrate stronger alcohol-related thoughts elicited by stimuli that represent the desire to use alcohol, in response to stronger versus weaker negative mood arousal. Seventy hazardous drinkers completed measurements of drinking restraint, alcohol consumption, and consequences of use. After being randomized to view negative or positive pictures sets, participants completed an Implicit Association Task (IAT) to test differences in the strength of the association between desire to approach or avoid alcohol or water cues, and then a measurement of subjective craving following the IAT. Regression analyses showed that trait restriction not temptation was positively related to IAT scores, after controlling for relevant covariates and explained 7% of the total variance. Trait temptation not IAT predicted subjective craving. Negative affect was unrelated to IAT scores, singly or in conjunction with measures of drinking restraint, contrary to predictions. In sum, implicit alcohol cognitions are related to attempts to restrict drinking not temptation to drink and are less strongly influenced by mood state. 相似文献
946.
947.
Research on neuropsychological difficulties among cancer patients has focused on chemotherapy as a primary cause, yet several
studies have now shown that some patients evidence cognitive weaknesses prior to chemotherapy. As an alternative to the ‘chemo–brain’
theory, this study examined the hypothesis that stress and coping style may be associated with observed neuropsychological
difficulties among female cancer patients. Thirty-six women completed neuropsychological testing and psychological questionnaires
following surgery for breast cancer and prior to any subsequent treatments. Twenty-seven percent of participants evidenced
deficits on at least one measure of verbal fluency, and 14% of participants were impaired on at least one memory measure.
Self-reported stress was correlated with deficits in memory, verbal fluency, and attention. Subsequent mediational analyses
indicated that use of passive coping styles may underlie this relationship between stress and neuropsychological deficits.
These findings highlight the potential relevance of psychological mechanisms, such as coping style, in cancer patients’ experience
of neuropsychological deficits. 相似文献
948.
This study investigated the relationship between life satisfaction, self-esteem, and perceived health for an ethnically diverse, low SES sample of primary care patients. Results indicated that several specific domains of health-related quality of life (HRQL), including health perception, social functioning, mental health, and energy/fatigue, significantly predicted life satisfaction in this sample of 60 patients. Self-esteem mediated this relationship, partially with health perception and fully with the remaining three domains. The results of this study underscore the importance of healthcare interventions that consider the bidirectional relationship between physical and emotional well-being. 相似文献
949.
Damian Cox 《Pacific Philosophical Quarterly》1997,78(1):45-62
This paper argues that theories of truth which seek to specify the ontological ground of true statements by appealing to an ontology of truth-makers face a severe and possibly insurmountable obstacle in the form of logically complex statements. I argue that there is no apparent way to develop an account of logically complex truth within the confines of a modest and plausible ontology of truth-makers and to this end criticize independent attempts by Armstrong and Pendlebury to develop such an account. 相似文献
950.
Anna A. Matejko Melanie Lozano Nicole Schlosberg Cameron McKay Lucy Core Cambria Revsine Shelby N. Davis Guinevere F. Eden 《Developmental science》2023,26(2):e13294
Phonological processing skills have not only been shown to be important for reading skills, but also for arithmetic skills. Specifically, previous research in typically developing children has suggested that phonological processing skills may be more closely related to arithmetic problems that are solved through fact retrieval (e.g., remembering the solution from memory) than procedural computation (e.g., counting). However, the relationship between phonological processing and arithmetic in children with learning disabilities (LDs) has not been investigated. Yet, understanding these relationships in children with LDs is especially important because it can help elucidate the cognitive underpinnings of math difficulties, explain why reading and math disabilities frequently co-occur, and provide information on which cognitive skills to target for interventions. In 63 children with LDs, we examined the relationship between different phonological processing skills (phonemic awareness, phonological memory, and rapid serial naming) and arithmetic. We distinguished between arithmetic problems that tend to be solved with fact retrieval versus procedural computation to determine whether phonological processing skills are differentially related to these two arithmetic processes. We found that phonemic awareness, but not phonological memory or rapid serial naming, was related to arithmetic fact retrieval. We also found no association between any phonological processing skills and procedural computation. These results converge with prior research in typically developing children and suggest that phonemic awareness is also related to arithmetic fact retrieval in children with LD. These results raise the possibility that phonemic awareness training might improve both reading and arithmetic fact retrieval skills.
Research Highlights
- Relationships between phonological processing and various arithmetic skills were investigated in children with learning disabilities (LDs) for the first time.
- We found phonemic awareness was related to arithmetic involving fact retrieval, but not to arithmetic involving procedural computation in LDs.
- The results suggest that phonemic awareness is not only important to skilled reading, but also to some aspects of arithmetic.
- These results raise the question of whether intervention in phonemic awareness might improve arithmetic fact retrieval skills.