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241.
Justin N. Wood 《Visual cognition》2013,21(10):1464-1485
What frame of reference do we use to remember observed movements? One possibility is that visual working memory (VWM) retains movement information using a retinotopic frame of reference: A coordinate system with respect to the retina that retains view-dependent information. Alternatively, VWM might retain movement information using an allocentric frame of reference: A coordinate system with respect to the scene that retains view-invariant information. To address this question, I examined whether VWM retains view-dependent or view-invariant movement information. Results show that (1) observers have considerable difficulty remembering from which viewpoints they observed movements after a few seconds' delay, and (2) the same number of movements can be retained in VWM whether the movements are encoded and tested from the same viewpoint or from different viewpoints. Thus, movement representations contain little to no view-dependent information, which suggests that VWM uses an allocentric reference frame to retain movement information. 相似文献
242.
Moving thoughts make for moving targets: Capturing time-sensitive effects in global/local processing
ABSTRACTWe examined the time-course of global/local processing with the goal of describing average change over time and individual differences in that change, namely, variability in level (intercept) and magnitude (slope) of change. To do so, we probed global/local processing across a broad time-course so that effects of time may be estimated from a randomly sampled set of time-points from the “true” population of time-points. Results showed that, on average, processing transitioned from global to local dominance; variation around this average, however, pointed to an ebb-and-flow in dominance rather than strict linear change. 相似文献
243.
ABSTRACTThe image on our retina changes every time we make an eye movement. To maintain visual stability after saccades, specifically to locate visual targets, we may use nontarget objects as “landmarks”. In the current study, we compared how the presence of nontargets affects target localization after saccades and during sustained fixation. Participants fixated a target object, which either maintained its location on the screen (sustained-fixation trials), or displaced to trigger a saccade (saccade trials). After the target disappeared, participants reported the most recent target location with a mouse click. We found that the presence of nontargets decreased response error magnitude and variability. However, this nontarget facilitation effect was not larger for saccade trials than sustained-fixation trials, indicating that nontarget facilitation might be a general effect for target localization, rather than of particular importance to post-saccadic stability. Additionally, participants’ responses were biased towards the nontarget locations, particularly when the nontarget-target relationships were preserved in relative coordinates across the saccade. This nontarget bias interacted with biases from other spatial references, e.g., eye movement paths, possibly in a way that emphasized non-redundant information. In summary, the presence of nontargets is one of several sources of reference that combine to influence (both facilitate and bias) target localization. 相似文献
244.
Adrian-Mario Gellel 《International Journal of Children's Spirituality》2013,18(2):214-226
This paper will explore the type of spiritual expression of adolescents and young people in and through current popular music culture. In particular, the paper will propose the music and industry constructed by and around the popular singer and songwriter Lady Gaga as a test case. Her incessant use of religious language and religious symbolism has equally attracted praise and criticism. This paper will acknowledge that Lady Gaga is not simply an icon of this hypermodernity, but she is a complex phenomenon which brings together various elements as well as actors. It will explore if and to what extent the main spiritual elements are traceable in this phenomenon. 相似文献
245.
《Quarterly journal of experimental psychology (2006)》2013,66(5):917-939
A task like “moving a meeting forward” reveals the ambiguity inherent in temporal references. That speakers of U.S. English do not agree on how to solve it is well established: Roughly one half moves the meeting futurewards, the other half pastwards. But the extent to which individual speakers, rather than groups of speakers, consider such phrases as ambiguous has not been scrutinized. Does the split in readings result from a lack of intraindividual consistency or from a lack of interindividual consensus? And how specific is U.S. English in this regard when compared to other closely related Germanic languages? Based on a taxonomy of spatiotemporal frames of reference (FoRs), we conducted two experiments with speakers of Swedish, U.S. English, and German to assess individual preferences for temporal FoRs, intra- and cross-linguistic variability, consistency and long-term stability of these preferences, and possible effects of priming a spatial FoR. The data reveal cross-linguistic differences, both in terms of which temporal FoRs speakers prefer (the absolute FoR in Sweden, the intrinsic FoR in German, and both of these in the US) and in terms of the extent to which these preferences are shared and stable (high consensus and consistency in Sweden and Germany, and low consensus and partial consistency in the US). Overall, no effect of spatial priming was observed; only speakers of U.S. English with a baseline preference for the absolute temporal FoR seemed to be susceptible to spatial priming. Thus, the assumption that temporal references are affected by spatial references is only weakly supported. 相似文献
246.
247.
Jacek Brzozowski 《Australasian journal of philosophy》2013,91(4):743-745
The democratic egalitarian ideal requires that everyone should enjoy equal power over the world through voting. If it is improper to vote twice in the same election, why should it be permissible for dual citizens to vote in two different places? Several possible excuses are considered and rejected. 相似文献
248.
W. Burt Thompson 《The Journal of general psychology》2013,140(4):345-352
This article reports an investigation of factors related to music sight-reading skill. Flute players (N = 30) performed six tasks: (a) sight-reading standard music, (b) sight-reading random music, (c) recall of music notation, (d) recall of letters, (e) eye-performance span, and (f) choice reaction time for playing individual notes. Sight-reading ability was significantly correlated with eye-performance span (.85), and music recall (.80), but not with letter recall (-.39), thus replicating results of previous work with pianists. Sight-reading skill was correlated with choice reaction time to notes (- .54), and there was a significant partial correlation between sight-reading skill and eye-performance span, with music-reading ability controlled. These results are consistent with the idea that increased skill involves both the speed-up of individual processing stages, and an increase in the degree to which these stages operate in parallel. 相似文献
249.
Ron F. Keulen Jos J. Adam Martin H. Fischer Harm Kuipers Jelle Jolles 《Journal of motor behavior》2013,45(2):119-126
In the present experiment, the authors sought to differentiate between a distance and a grouping explanation for the symmetric versus asymmetric patterns of distractor interference in selective reaching. Participants (N = 16) pointed to a green target that appeared either with or without a red distractor. Target-distractor separation was manipulated within an array of 5 closely grouped stimulus boxes, and distractor interference (difference in performance between trials with and trials without a distractor) was measured in reaction time, movement time, percentage errors, and movement endpoints. Small distances (5 mm) between target and distractor yielded a symmetric pattern of interference, whereas large distances (20 mm) yielded an asymmetric pattern, with more interference from near than from far distractors. Those findings support the distance account of distractor interference and refute the grouping account. 相似文献
250.
Bradley Armour‐Garb 《Metaphilosophy》2013,44(1-2):53-57
This article, after briefly discussing Alfred Tarski's influential theory of truth, turns to a more recent theory of truth, a deflationary, or minimalist, theory. One of the chief elements of a deflationary, or minimalist, theory of truth is that it replaces the question of what truth is with the question of what “true” does. After setting out the central features of the minimalist theory of truth, the article explains the motivation for opting for such a position. In addition, it provides some reasons for thinking that such a theory of truth is “minimal” or “deflationary” in the way that contemporary truth theorists have claimed it to be. 相似文献