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931.
Transient epileptic amnesia (TEA) is a recently recognised syndrome of epilepsy in which the principle manifestation of seizures is recurrent episodes of isolated memory loss. In this article, we describe the clinical and cognitive profile of this emerging syndrome, and present new data that provide at most weak support for its proposed relationship to cerebrovascular disease. TEA is often associated with two unusual forms of interictal memory impairment: accelerated long-term forgetting and remote memory impairment. We discuss the clinical and theoretical implications of these relatively novel cognitive deficits. 相似文献
932.
Marci R. Culley Adam D. Carton Scott R. Weaver Emma Ogley-Oliver Jalika C. Street 《Current psychology (New Brunswick, N.J.)》2011,30(3):215-233
Current energy debates are often framed in terms of the extent to which energy sources may mitigate global climate change
(GCC) and facilitate energy independence (EI). However, little is understood about whether and how attitudes towards GCC and
EI influence attitudes toward energy sources. Our study included 277 undergraduate students enrolled in introductory psychology
classes at a large, Southeastern university. As hypothesized, results from ordinal and binary logistic regression analyses
revealed that the likelihood participants would support the use of solar, wind, coal or nuclear energy decreased as a function
of their belief that an energy source contributed to GCC. The belief that an energy source contributed to EI increased participants’
likelihood of support. Results suggest that beliefs about GCC and EI are important to determining support for energy sources
and will likely contribute to effective marketing strategies and efforts to implement more environmentally-sustainable behavior
and energy policy. 相似文献
933.
Theory-of-mind reasoning may require inhibitory processing, a view for which we provide new, more direct, evidence. Our research capitalizes on the lingering property of inhibition: After a response is inhibited, it temporarily becomes more difficult to select than uninhibited responses. In two experiments, 3-year-olds predicted to which of three buckets a girl would go, given a desire to avoid one (e.g., the red one). When next predicting where a boy would play, children were biased against the location the girl had avoided. However, predictions for the boy were unbiased when not preceded by predictions for the girl. These findings suggest that preschoolers predict behavior based on avoidance desires by inhibiting the target to be avoided, as well as that the inhibition lingers, reducing the target's accessibility for subsequent predictions. 相似文献
934.
Stein JS Pinkston JW Brewer AT Francisco MT Madden GJ 《Journal of the experimental analysis of behavior》2012,97(3):305-321
Lewis rats have been shown to make more impulsive choices than Fischer 344 rats in discrete-trial choice procedures that arrange fixed (i.e., nontitrating) reinforcement parameters. However, nontitrating procedures yield only gross estimates of preference, as choice measures in animal subjects are rarely graded at the level of the individual subject. The present study was designed to examine potential strain differences in delay discounting using an adjusting-amount procedure, in which distributed (rather than exclusive) choice is observed due to dynamic titration of reinforcer magnitude across trials. Using a steady-state version of the adjusting-amount procedure in which delay was manipulated between experimental conditions, steeper delay discounting was observed in Lewis rats compared to Fischer 344 rats; further, delay discounting in both strains was well described by the traditional hyperbolic discounting model. However, upon partial completion of the present study, a study published elsewhere (Wilhelm & Mitchell, 2009) demonstrated no difference in delay discounting between these strains with the use of a more rapid version of the adjusting-amount procedure (i.e., in which delay is manipulated daily). Thus, following completion of the steady-state assessment in the present study, all surviving Lewis and Fischer 344 rats completed an approximation of this rapid-determination procedure in which no strain difference in delay discounting was observed. 相似文献
935.
Adam Sennet 《Philosophical Studies》2012,161(2):273-285
This paper considers the connections between semantic shiftiness (plasticity), epistemic safety and an epistemic theory of vagueness as presented and defended by Williamson (1996a, b, 1997a, b). Williamson explains ignorance of the precise intension of vague words as rooted in insensitivity to semantic shifts: one??s inability to detect small shifts in intension for a vague word results in a lack of knowledge of the word??s intension. Williamson??s explanation, however, falls short of accounting for ignorance of intension. 相似文献
936.
Substantial evidence shows that sensation seeking impacts memory; however, research has not examined how sensation seeking impacts automatic familiarity and conscious-controlled recollection memory systems. The present study (N = 80) examined high and low sensation seekers’ familiarity and recollection of high and low arousal images with negative valence using behavioral and skin conductance measures. Low sensation seekers had more accurate familiarity judgments to high than low arousal images, reflecting a heightened aversive motivational system. High sensation seekers showed an opposite pattern with memory enhancement for low arousal images, regardless of old-new status. The lack of any sensation seeking effects in relation to recollection judgments suggests that this personality trait is more influential on automatic than conscious controlled memory systems. 相似文献
937.
The goal of the study was to identify the neural representation of a noun’s meaning in one language based on the neural representation of that same noun in another language. Machine learning methods were used to train classifiers to identify which individual noun bilingual participants were thinking about in one language based solely on their brain activation in the other language. The study shows reliable (p < .05) pattern-based classification accuracies for the classification of brain activity for nouns across languages. It also shows that the stable voxels used to classify the brain activation were located in areas associated with encoding information about semantic dimensions of the words in the study. The identification of the semantic trace of individual nouns from the pattern of cortical activity demonstrates the existence of a multi-voxel pattern of activation across the cortex for a single noun common to both languages in bilinguals. 相似文献
938.
Weidman AC Fernandez KC Levinson CA Augustine AA Larsen RJ Rodebaugh TL 《Personality and individual differences》2012,53(3):191-195
The social compensation hypothesis states that the internet primarily benefits individuals who feel uncomfortable communicating face-to-face. In the current research, we tested whether individuals higher in social anxiety use the internet as a compensatory social medium, and whether such use is associated with greater well-being. In Study 1, individuals higher in social anxiety reported greater feelings of comfort and self-disclosure when socializing online than less socially anxious individuals, but reported less self-disclosure when communicating face-to-face. However, in Study 2, social anxiety was associated with lower quality of life and higher depression most strongly for individuals who communicated frequently online. Our results suggest that, whereas social anxiety may be associated with using the internet as an alternative to face-to-face communication, such a strategy may result in poorer well-being. 相似文献
939.
Background
Pseudoneglect is a normal left sided spatial bias observed with attempted bisections of horizontal lines and a normal upward bias observed with attempted bisections of vertical lines. Horizontal pseudoneglect has been attributed to right hemispheric dominance for the allocation of attention. The goal of this study was to test the hypothesis that the upward bias in vertical line bisection may also relate to right hemispheric dominance for the allocation of attention and/or action-intention.Methods
Twenty right handed healthy adults were asked to bisect vertical lines presented in the midsagittal plane (center space) and in sagittal planes to the left and right of the midsagittal plane (left and right hemispace) when using a pen held in either the right or left hand.Results
Vertical line bisections were biased upward in all three sagittal planes and higher in left than right hemispace. However, bisections made with the left hand were lower than those made with the right hand.Discussion
Whereas these results suggest a left hemispace-right hemispheric visuospatial attentional upward bias and a relative left hemispheric-right hand upward action-intentional bias, further studies are needed to document this intentional versus attentional bias and to understand the brain mechanisms that produce these biases. 相似文献940.
Nathanael J. Fast Niro Sivanathan Nicole D. Mayer Adam D. Galinsky 《Organizational behavior and human decision processes》2012
Five experiments demonstrate that experiencing power leads to overconfident decision-making. Using multiple instantiations of power, including an episodic recall task (Experiments 1–3), a measure of work-related power (Experiment 4), and assignment to high- and low-power roles (Experiment 5), power produced overconfident decisions that generated monetary losses for the powerful. The current findings, through both mediation and moderation, also highlight the central role that the sense of power plays in producing these decision-making tendencies. First, sense of power, but not mood, mediated the link between power and overconfidence (Experiment 3). Second, the link between power and overconfidence was severed when access to power was not salient to the powerful (Experiment 4) and when the powerful were made to feel personally incompetent in their domain of power (Experiment 5). These findings indicate that only when objective power leads people to feel subjectively powerful does it produce overconfident decision-making. 相似文献