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991.
Taylor JG 《Trends in cognitive sciences》2002,6(5):206-210
Despite being much studied by cognitive neuroscience, consciousness has resisted attempts to understand it. Recent neuroscientific papers on the problem have surprisingly neglected attention as a guide to consciousness. A new neural mechanism is proposed here, guided by a control approach to attention, which identifies the source of consciousness, especially that of the ownership of experience. 相似文献
992.
Kinga Morsanyi Caterina Primi Simon J. Handley Francesca Chiesi Silvia Galli 《British journal of psychology (London, England : 1953)》2012,103(4):472-496
In two experiments, we tested some of the central claims of the empathizing–systemizing (E‐S) theory. Experiment 1 showed that the systemizing quotient (SQ) was unrelated to performance on a mathematics test, although it was correlated with statistics‐related attitudes, self‐efficacy, and anxiety. In Experiment 2, systemizing skills, and gender differences in these skills, were more strongly related to spatial thinking styles than to SQ. In fact, when we partialled the effect of spatial thinking styles, SQ was no longer related to systemizing skills. Additionally, there was no relationship between the Autism Spectrum Quotient (AQ) and the SQ, or skills and interest in mathematics and mechanical reasoning. We discuss the implications of our findings for the E‐S theory, and for understanding the autistic cognitive profile. 相似文献
993.
994.
Ludwig CJ Farrell S Ellis LA Hardwicke TE Gilchrist ID 《Journal of experimental psychology. General》2012,141(1):150-169
Adaptive behavior in a nonstationary world requires humans to learn and track the statistics of the environment. We examined the mechanisms of adaptation in a nonstationary environment in the context of visual-saccadic inhibition of return (IOR). IOR is adapted to the likelihood that return locations will be refixated in the near future. We examined 2 potential learning mechanisms underlying adaptation: (a) a local tracking or priming mechanism that facilitates behavior that is consistent with recent experience and (b) a mechanism that supports retrieval of knowledge of the environmental statistics based on the contextual features of the environment. Participants generated sequences of 2 saccadic eye movements in conditions where the probability that the 2nd saccade was directed back to the previously fixated location varied from low (.17) to high (.50). In some conditions, the contingency was signaled by a contextual cue (the shape of the movement cue). Adaptation occurred in the absence of contextual signals but was more pronounced in the presence of contextual cues. Adaptation even occurred when different contingencies were randomly intermixed, showing the parallel formation of multiple associations between context and statistics. These findings are accounted for by an evidence accumulation framework in which the resting baseline of decision alternatives is adjusted on a trial-by-trial basis. This baseline tracks the subjective prior beliefs about the behavioral relevance of the different alternatives and is updated on the basis of the history of recent events and the contextual features of the current environment. 相似文献
995.
Simon Thomas Hewitt 《Journal of Philosophical Logic》2012,41(5):853-875
There has been very little discussion of the appropriate principles to govern a modal logic of plurals. What debate there has been has accepted a principle I call (NecInc); informally if this is one of those then, necessarily: this is one of those. On this basis Williamson has criticised the Boolosian plural interpretation of monadic second-order logic. I argue against (NecInc), noting that it isn’t a theorem of any logic resulting from adding modal axioms to the plural logic PFO+, and showing that the most obvious formal argument in its favour is question begging. I go on to discuss the behaviour of natural language plurals, motivating a case against (NecInc) by developing a case that natural language plural terms are not de jure rigid designators. The paper concludes by developing a model theory for modal PFO+ which does not validate (NecInc). An Appendix discusses (NecInc) in relation to counterpart theory. 相似文献
996.
Simon Prosser 《Philosophical Studies》2012,159(1):21-39
Downward causation is commonly held to create problems for ontologically emergent properties. In this paper I describe two novel examples of ontologically emergent properties and show how they avoid two main problems of downward causation, the causal exclusion problem and the causal closure problem. One example involves an object whose colour does not logically supervene on the colours of its atomic parts. The other example is inspired by quantum entanglement cases but avoids controversies regarding quantum mechanics. These examples show that the causal exclusion problem can be avoided, in one case by showing how it is possible to interact with an object without interacting with its atomic parts. I accept that emergence cannot be reconciled with causal closure, but argue that violations of causal closure do not entail violations of the base-level laws. Only the latter would conflict with empirical science. 相似文献
997.
While many studies have investigated the list length effect in recognition memory, few have done so with stimuli other than
words. This article presents the results of four list length experiments that involved word pairs, faces, fractals, and photographs
of scenes as the stimuli. A significant list length effect was identified when faces and fractals were the stimuli, but the
effect was nonsignificant when the stimuli were word pairs or photographs of scenes. These findings suggest that the intrastimulus
similarity is what dictates whether list length has a significant effect on recognition performance. As is the case with words,
word pairs and photographs of scenes are not sufficiently similar to generate detectable item interference. 相似文献
998.
CL Karver SL Wade A Cassedy HG Taylor T Stancin KO Yeates NC Walz 《Rehabilitation psychology》2012,57(3):256-265
Objective: This study examined the effects of age at injury on the persistence of behavior problems and social skill deficits in young children with complicated mild to severe traumatic brain injury (TBI). Method: A concurrent cohort/prospective research design was used with repeated assessments of children with TBI (n = 82) or Orthopedic Injury (OI) (n = 114). Parents completed the Child Behavior Checklist, the Behavior Rating Inventory of Executive Functions, and the Preschool and Kindergarten Behavior Scales or the Home and Community Social and Behavior Scales shortly after injury to assess preinjury functioning, and at an extended follow-up an average of 38 months postinjury. Generalized linear modeling was used to examine the relationship of age at injury to the maintenance of behavior problems, and logistic regression was used to examine the persistence of clinically significant behavior problems. Results: At the extended follow-up, severe TBI was associated with significantly greater anxiety problems relative to the Group OI. With increasing time since injury, children who sustained a severe TBI at an earlier age had significantly higher levels of parent-reported symptoms of ADHD and anxiety than children who were older at injury. Conclusions: Findings suggest that longer-term treatment for behavior problems may be needed after severe TBI, particularly for those injured at an earlier age. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
999.
Studies of adults with depression point to characteristic neurocognitive deficits, including differences in processing facial
expressions. Few studies have examined face processing in juvenile depression, or taken account of other comorbid disorders.
Three groups were compared: depressed children and adolescents with conduct disorder (n = 23), depressed children and adolescents without conduct disorder (n = 29) and children and adolescents without disorder (n = 37). A novel face emotion processing experiment presented faces with ‘happy’, ‘sad’, ‘angry’, or ‘fearful’ expressions
of varying emotional intensity using morphed stimuli. Those with depression showed no overall or specific deficits in facial
expression recognition accuracy. Instead, they showed biases affecting processing of low-intensity expressions, more often
perceiving these as sad. In contrast, non-depressed controls more often misperceived low intensity negative emotions as happy.
There were no differences between depressed children and adolescents with and without conduct disorder, or between children
with comorbid depression/conduct disorder and controls. Face emotion processing biases rather than deficits appear to distinguish
depressed from non-depressed children and adolescents. 相似文献
1000.
Leslie K. Taylor Mark D. Weist Kendra DeLoach 《American journal of community psychology》2012,50(3-4):530-540
Over the past two decades schools have been identified as the de facto mental health system for youth. Therefore, improving and expanding school mental health (SMH) has become a pressing agenda item for researchers, practitioners, policy makers, and funders. Advancing this agenda includes not only translating intervention research into practice within schools, but building capacities for these interventions to occur. The interactive systems framework (ISF) of Wandersman and colleagues, and the focus of this special issue, provides guidance in bridging the gap between research and practice through multisystem capacity building. There is some evidence that application of the ISF has helped to build capacity for SMH in states, but this evidence is preliminary. In addition, application of the ISF has not occurred in SMH at the community level or in relation to the specific stresses a community undergoes in relation to a disaster. The purpose of this article was to conduct a preliminary attempt to connect these three areas—the ISF, SMH and strengthening SMH through the ISF to better address impacts of a community level disaster; in this case, we explore the impacts of Hurricane Katrina on New Orleans schools, their students and families, and SMH programming within them. Special Issue: Advances in Bridging Research and Practice Using the Interactive System Framework for Dissemination and Implementation; Guest Editors: Abraham Wandersman, Paul Flaspohler, Catherine A. Lesesne, Richard Puddy; Action Editor: Emilie Phillips Smith 相似文献