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991.
Jennifer Stevens Aubrey 《Media Psychology》2013,16(2):157-181
The present study has been designed in an attempt to replicate and expand the parameters of D. Zillmann and J. Bryant's selective exposure approach to use of the Internet. In applying this theoretical framework to the Internet, it was expected that persons experiencing unpleasant levels of excitation would arrange their Internet environment in order to terminate their aversive states. Through experimentally manipulating levels of boredom and stress and subsequently recording Internet surfing patterns, it was found that although mood significantly predicted Internet hits, it was not associated with the hedonic valence of the site. 相似文献
992.
Neurophysiology and optical imaging studies in monkeys and functional magnetic resonance imaging (fMRI) studies in both monkeys and humans have localized clustered neural responses in inferotemporal cortex selective for images of biologically relevant categories, such as faces and limbs. Using higher resolution (1.5 mm voxels) fMRI scanning methods than past studies (3–5 mm voxels), we recently reported a network of multiple face- and limb-selective regions that neighbor one another in human ventral temporal cortex (Weiner and Grill-Spector, Neuroimage, 52(4):1559–1573, 2010) and lateral occipitotemporal cortex (Weiner and Grill-Spector, Neuroimage, 56(4):2183–2199, 2011). Here, we expand on three basic organization principles of high-level visual cortex revealed by these findings: (1) consistency in the anatomical location of functional regions, (2) preserved spatial relationship among functional regions, and (3) a topographic organization of face- and limb-selective regions in adjacent and alternating clusters. We highlight the implications of this structure in comparing functional brain organization between typical and atypical populations. We conclude with a new model of high-level visual cortex consisting of ventral, lateral, and dorsal components, where multimodal processing related to vision, action, haptics, and language converges in the lateral pathway. 相似文献
993.
Kyle W. Harvison L. Kevin Chapman Natalie G. Ballash 《Child & family behavior therapy》2013,35(2):137-151
ABSTRACT The current study examined psychosocial variables associated with the development of anxiety in children. While previous literature has established parental affectionless control as an important contributor to the development of anxiety in children, few have examined this construct within the dynamic context of parent-child interaction. In the current study, the affect and behavior of anxious mothers and their children (ages 6 to 12 years) were examined during two mildly stressful tasks, with a total of 64 mother-child dyads participating in the study. Analyses supported the hypothesis that maternal affectionless control mediates the relationship between child anxiety and child disengagement/withdrawal from difficult tasks. Results are discussed in terms of implications for psychosocial mechanisms of the familial transmission of anxiety. 相似文献
994.
Melissa C. Hendry M.A. Kevin S. Douglas LL.B. Ph.D. Elizabeth A. Winter M.A. John F. Edens Ph.D. 《Behavioral sciences & the law》2013,31(4):477-493
Much of the risk assessment literature has focused on the predictive validity of risk assessment tools. However, these tools often comprise a list of risk factors that are themselves complex constructs, and focusing on the quality of measurement of individual risk factors may improve the predictive validity of the tools. The present study illustrates this concern using the Antisocial Features and Aggression scales of the Personality Assessment Inventory (Morey, 1991). In a sample of 1,545 prison inmates and offenders undergoing treatment for substance abuse (85% male), we evaluated (a) the factorial validity of the ANT and AGG scales, (b) the utility of original ANT and AGG scales and newly derived ANT and AGG scales for predicting antisocial outcomes (recidivism and institutional infractions), and (c) whether items with a stronger relationship to the underlying constructs (higher factor loadings) were in turn more strongly related to antisocial outcomes. Confirmatory factor analyses (CFAs) indicated that ANT and AGG items were not structured optimally in these data in terms of correspondence to the subscale structure identified in the PAI manual. Exploratory factor analyses were conducted on a random split‐half of the sample to derive optimized alternative factor structures, and cross‐validated in the second split‐half using CFA. Four‐factor models emerged for both the ANT and AGG scales, and, as predicted, the size of item factor loadings was associated with the strength with which items were associated with institutional infractions and community recidivism. This suggests that the quality by which a construct is measured is associated with its predictive strength. Implications for risk assessment are discussed. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
995.
Kevin J. Harrelson 《British Journal for the History of Philosophy》2013,21(3):582-603
This article considers the implications of inferentialist philosophy of language for debates in the historiography of philosophy. My intention is to mediate and refine the polemics between contextualist historians and ‘analytic’ or presentist historians. I claim that much of Robert Brandom's nuanced defence of presentism can be accepted and even adopted by contextualists, so that inferentialism turns out to provide an important justification for orthodox history of philosophy. In the concluding sections I argue that the application of Brandom's theory has important limits, and that some polemics by contextualists against presentists are therefore justified. 相似文献
996.
Ronald B. Livingston Kevin D. Stark Earl Jennings Ruth A. Haak 《Child neuropsychology》2013,19(1):48-62
The neuropsychological functioning of 56 children and young adolescents with diagnoses of unipolar depression (n = 17), anxiety disorder (n = 19), or comorbid anxiety/depressive disorder (n = 20) was examined. The neuropsychological profiles of the three groups were parallel, but not equal in level of performance. The three groups displayed similar patterns of performance with profiles suggesting diminished attention abilities. The groups, however, were not equal in level of performance. While subjects with an anxiety or a depressive disorder were similar in level of performance, subjects with a comorbid anxiety/depressive disorder generally performed worse than those with either an anxiety or depressive disorder alone. There was no significant evidence of asymmetrical cerebral dysfunction in any of the diagnostic groups. Results are discussed in relation to adult models of psychopathology with an emphasis on the importance of considering developmental factors when formulating models of childhood psychopathology. 相似文献
997.
Nanometre-scale twins found in the triclinic crystalline phase devitrite, Na2Ca3Si6O16, are shown to exhibit the relatively rare form of twinning, Type II twinning, in which the crystal structure of one of the parts is related to the crystal structure of the other by a rotation of 180° about η 1?=?[1?0?0]. Although formally, the twin plane K 1 is irrational, it is in essence (0?1?0). 相似文献
998.
Signy Sheldon Lauri Gurguryan Kevin P. Madore Daniel L. Schacter 《Memory (Hove, England)》2013,21(7):881-893
ABSTRACTRecalling and imagining autobiographical experiences involves constructing event representations within spatiotemporal contexts. We tested whether generating autobiographical events within a primarily spatial (where the event occurred) or temporal (the sequence of actions that occurred) context affected how the associated mental representation was constructed. We leveraged the well-validated episodic specificity induction (ESI) technique, known to influence the use of episodic processes on subsequent tasks, to develop variants that selectively enhance spatial or temporal processing. We tested the effects of these inductions on the details used to describe past and future autobiographical events. We first replicated the standard ESI effect, showing that ESI enhances generating episodic details, particularly those that are perception-based, when describing autobiographical events (Experiment 1). We then directly compared the effects of the spatial and temporal inductions (Experiment 2 and 3). When describing autobiographical events, spatial induction enhanced generating episodic details, specifically perception-based details, compared to the control or temporal inductions. A greater proportion of the episodic details generated after the temporal induction were gist-based than after the spatial induction, but this proportion did not differ from a control induction. Thus, using a spatial or temporal framework for autobiographical event generation alters the associated details that are accessed. 相似文献
999.
We propose that mental images are derived from goals. Goals are represented in a complex hierarchy and form a major part of the “working self”. Images reflect the existence of specific goals and also act to maintain goals by facilitating the derivation of beliefs from the content of an image. Images in psychopathology may reflect the operation of dysfunctional goals: goals that are unconstrained and which increase discrepancy (experienced as anxiety) within the goal system. Another feature of the goal system is that it is conservative and avoids change. By this view some aspects of distortions in intrusive images of traumatic experiences might be viewed as a defence against goal change. Conversely generating new images might lead to the formation of new goals. These ideas are applied to the findings of the papers in this special issue of Memory and to several new case studies. 相似文献
1000.
Riccardo Russo Dora Whittuck Debi Roberson Kevin Dutton George Georgiou Elaine Fox 《Memory (Hove, England)》2013,21(4):393-399
The status of mood-congruent free recall bias in anxious individuals was evaluated following incidental encoding of target words. Individuals with high and low levels of trait anxiety completed a modified Stroop task, which revealed an attentional bias for threat-related stimuli in anxious individuals. This group was significantly slower in naming the colour in which threat-related words were displayed compared to neutral words. In a subsequent free recall test for the words used in the modified Stroop task, anxious individuals recalled more threat-related words compared to low-anxious people. This difference was significant even when controlling for the false recall of items that had not been presented during study. These results support the view put forward by Russo, Fox, Bellinger, and Nguyen-Van-Tam (2001) that mood-congruent free recall bias in anxious individuals can be observed if the target material is encoded at a relatively shallow level. Moreover, contrary to Dowens and Calvo (2003), the current results show that the memory advantage for threat-related information in anxious individuals is not a consequence of response bias. 相似文献