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611.
Manuel C. Voelkle Christian Gische Charles C. Driver Ulman Lindenberger 《Multivariate behavioral research》2013,48(6):782-805
The lead-lag structure of multivariate time-ordered observations and the possibility to disentangle between-person (BP) from within-person (WP) sources of variance are major assets of longitudinal (panel) data. Hence, psychologists are making increasing use of such data, often with the intent to delineate the dynamic properties of psychological mechanisms, understood as a sequence of causal effects that govern psychological functioning. However, even with longitudinal data, psychological mechanisms are not easily identified. In this article, we show how an adequate representation of time may enhance the tenability of causal interpretations in the context of multivariate longitudinal data analysis. We anchor our considerations with an example that illustrates some of the main problems and questions faced by applied researchers and practitioners. We distinguish between static versus dynamic and discrete versus continuous time modeling approaches and discuss their advantages and disadvantages. We place particular emphasis on different ways of addressing BP differences and stress their dual role as potential confounds versus valuable sources of information for improving estimation and aiding causal inference. We conclude by outlining an approach that offers the potential of better integration of information on BP differences and WP changes in the search for causal mechanisms along with a discussion of current problems and limitations. 相似文献
612.
In two experiments, prime face stimuli with an emotional or a neutral expression were presented individually for 25 to 125 ms, either in foveal or parafoveal vision; following a mask, a probe face or a word label appeared for recognition. Accurate detection and sensitivity (A') were higher for angry, happy, and sad faces than for nonemotional (neutral) or novel (scheming) faces at short exposure times (25-75 ms), in both the foveal and the parafoveal field, and with both the probe face and the probe word. These results indicate that there is a low perceptual threshold for unambiguous emotional faces, which are especially likely to be detected both within and outside the focus of attention; and that this facilitated detection involves processing of the affective meaning of faces, not only discrimination of formal visual features. 相似文献
613.
Manuel G. Calvo 《Visual cognition》2013,21(6):666-676
Pairs of emotional-neutral pictures were presented parafoveally or peripherally (i.e., 2.2° or 5.2° away from fixation) as primes for 150 ms, followed by a recognition probe. The probe was either identical or related in semantic content to one of the primes. Physical features (colour, size, and spatial orientation) were always different for the primes and the probe. Results indicated that, for parafoveal displays, hit rate and sensitivity (A′) were higher for the identical emotional probes than for the identical neutral probes; in contrast, for peripheral displays there were more false alarms for the related emotional probes than for the related neutral probes. It is concluded that processing of specific semantic content is more likely to be obtained from emotional than from neutral scenes in parafoveal vision, whereas an overall, vague impression is extracted in peripheral vision. 相似文献
614.
Recent evidence from masked priming experiments has revealed that readers regularize letter-like symbols and letter-like numbers into their corresponding base letters with minimal processing cost. However, one open question is whether the same pattern occurs when these items are presented during normal silent reading. In the present study, we respond to this question in an eye-movement experiment that included sentences with words that had symbols and numbers as letters, as in “YESTERDAY I SAW THE SECRE74RY WORKING VERY HARD”. Results revealed that there is a greater reading cost associated with letter-by-number replacements than with letter-by-symbol replacements, especially when the replaced letters occur at the beginning of the word. We examine the implications of these findings for models of visual word recognition and reading. 相似文献
615.
A commonly shared assumption in the field of visual‐word recognition is that retinotopic representations are rapidly converted into abstract representations. Here we examine the role of visual form vs. abstract representations during the early stages of word processing – as measured by masked priming – in young children (3rd and 6th Graders) and adult readers. To maximize the chances of detecting an effect of visual form, we employed a language with a very intricate orthography, Arabic. If visual form plays a role in the early stages of processing, greater benefit would be expected from related primes that have the same visual form (in terms of the ligation pattern between a word's letters) as the target word (e.g.– [ktz b–ktA b] – note that the three initial letters are connected in prime and target) than for those that do not (– [ktxb–ktA b]). Results showed that the magnitude of priming effect relative to an unrelated condition (e.g. –) was remarkably similar for both types of prime. Thus, despite the visual complexity of Arabic orthography, there is fast access to the abstract letter representations not only in adult readers by also in developing readers. 相似文献
616.
The present experiments manipulated the modality in which participants communicated object directions (by pointing or verbal labelling) in a learned layout, and the mode in which they were required to rotate (physically or imaginary). The results showed that the pointing modality was strongly influenced by the mode of rotation (Experiment 1). Pointing was faster and more accurate in the physical than in the imaginary rotation. In addition, a different pattern of dimension accessibility was observed: equi-accessibility in physical rotation (front-back = right-left) and standard in imaginary rotation (front-back < right-left). By contrast, the verbal modality was less influenced by the mode of rotation. The same standard pattern of dimension accessibility and similar speed was obtained in physical and imaginary rotation. These results are explained by proposing a first-order embodiment, typical of ordinary pointing, which involves a low-cost sensory-motor updating of object positions and a second-order embodiment, most typical of language, which involves a represented (rather than physical) self and an object-to-frame high-cost updating. 相似文献
617.
There is growing empirical evidence that shows that transposed-letter pseudowords (e.g., relovution) are perceptually very similar to their base words. This is a finding that has important implications for the choice of an input coding scheme in visual word recognition and naming. In the present experiment, we examined the presence of transposed-letter effects for pseudowords by using the naming task in a transparent orthography (Spanish): The pseudowords were created by transposing two letters or by replacing two letters (e.g., relovución vs. retosución). Since it has been suggested that transposed-letter effects may be greater for developing than for adult readers (Castles, Davis, & Forster, 2003), we recruited beginning readers (second graders, i.e., 7-year-olds), intermediate readers (fourth graders, i.e., 9-year-olds), and adult readers (college students). Results showed that developing and adult readers frequently mispronounced transposed-letter pseudowords (lexicalisations, mostly). Interestingly, the difference between the transposed-letter pseudowords and the replacement-letter pseudowords vanished when measuring the correct naming times. We examine the implications of these findings for models of visual word recognition and naming. 相似文献
618.
Manuel Gimenes François Rigalleau Daniel Gaonac'h 《Journal of Cognitive Psychology》2013,25(7):980-1000
Double centre-embedded structures such as “the rat the cat the boy chased ate was brown” seem ungrammatical to many human subjects. Using an offline complexity judgement task, Gibson and Thomas (1999) demonstrated that people found such sentences no more difficult to understand when the second verb phrase (VP) was omitted, relative to a condition where all the required VPs were present. According to the Syntactic Prediction Locality Theory (SPLT; Gibson, 1998), this syntactic illusion is determined by the high working memory cost associated with the integration of the second VP. This cost could be reduced by replacing the third noun phrase (the boy) by a pronoun, making the reader more sensitive to the omission of the second VP. This hypothesis was tested in two experiments using French sentences. Both experiments confirmed the syntactic illusion when the second VP was not a pronoun. The second experiment measured the reading times of the VPs and showed that the pronoun induced a longer reading time of the final VP when the second VP was omitted. The overall results indicate a condition under which human subjects could process the most complex part of a sentence with more than one embedded relative clause. The overall results are consistent with most of the hypotheses derived from the SPLT although offline complexity judgements could not be the most sensitive measure to test some of these hypotheses. 相似文献
619.
ABSTRACTThe study of false memory has had a profound impact on our understanding of how and what we remember, as shown by the misinformation paradigm [Loftus, E. F. (2005). Planting misinformation in the human mind: A 30-year investigation of the malleability of memory. Learning & Memory, 12(4), 361–366. doi:10.1101/lm.94705]. Though misinformation effects have been demonstrated extensively within visual tasks, they have not yet been explored in the realm of non-visual auditory stimuli. Thus, the present study aimed to investigate whether post-event information can create false memories of music listening episodes. In addition, we explored individual difference factors potentially associated with false memory susceptibility in music, including age, suggestibility, personality, and musical training. In two music recognition tasks, participants (N?=?151) listened to an initial music track, which unbeknownst to them was missing an instrument. They were then presented with post-event information which either suggested the presence of the missing instrument or did not. The presence of misinformation resulted in significantly poorer performance on the music recognition tasks (d?=?.43), suggesting the existence of false musical memories. A random forest analysis indicated that none of the individual difference factors assessed were significantly associated with misinformation susceptibility. These findings support previous research on the fallibility of human memory and demonstrate, to some extent, the generality of the misinformation effect to a non-visual auditory domain. 相似文献
620.