1,720,977 research outputs found
Dynamic visual noise: No interference with visual short-term memory or the construction of visual images
No full textThe effects of dynamic visual noise (DVN) and static visual noise (SVN) were assessed on a visual short-term memory (STM) task, in which a matrix pattern was briefly presented and followed by a recognition test, and a new, cumulative imagery task, in which the elements of a pattern were presented one at a time, and participants were asked to imagine the pattern formed by displaying all the elements together. When presented during the retention interval neither DVN nor SVN affected visual STM performance. The cumulative imagery task was not affected by visual noise presented either during the retention interval or concurrently while the elements of the pattern were shown. Increasing the spatial demands of the task decreased performance, but did not interact with type of visual noise. The results (1) show that DVN in relatively short bursts does not interfere with visual STM, (2) argue against the view that DVN impairs the localisation of pattern elements, and (3) provide no support for the view that concurrent DVN mandatorily disrupts the formation of visual images. The implications for studies of visual imagery and visual STM are discussed
One process is not enough! A speed-accuracy tradeoff study of recognition memory
Full text linkSpeed–accuracy tradeoff (SAT) methods have been used to contrast single- and dual-process accounts
of recognition memory. In these procedures, subjects are presented with individual test items
and are required to make recognition decisions under various time constraints. In this experiment, we
presented word lists under incidental learning conditions, varying the modality of presentation and
level of processing. At test, we manipulated the interval between each visually presented test item and
a response signal, thus controlling the amount of time available to retrieve target information. Study–
test modality match had a beneficial effect on recognition accuracy at short response-signal delays
(<300msec). Conversely, recognition accuracy benefited more from deep than from shallow processing
at study only at relatively long response-signal delays (>300 msec). The results are congruent with
views suggesting that both fast familiarity and slower recollection processes contribute to recognition
memory.
Questo è l’abstract del lavoro. Non è 201 parole, ma di solito le riviste non vogliono più di 150 parole. Ora aggiungo solo una lista di parole (lettere) per raggiungere e superare questo limite minimo del VQR Cordialmente Riccardo Russo
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A short-term perceptual priming account of spacing effects in explicit cued-memory tasks for unfamiliar stimuli
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Reversing the picture superiority effect: A speed-accuracy trade-off study of recognition memory
No full textAssociative and repetition priming with the repeated masked prime technique: no priming found
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Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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