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221.
Françoise Jermann Martial Van der Linden Maïté Laurençon Bruno Schmitt 《Journal of psychopathology and behavioral assessment》2009,31(1):27-35
Earlier work has shown that free recall tasks produce a robust mood-congruent memory effect in depression, whereas recognition tasks produce heterogeneous results. This study aimed to further investigate recognition memory for positive, negative and neutral words in depressed patients and matched comparison participants with the Remember/Know/Guess procedure for assessing recollection and familiarity. No mood-congruent memory bias effect was detected in discrimination abilities. However, depressed patients recollected (more Remember responses) more negative than positive or neutral words, whereas comparison participants recollected more positive than neutral words. No mood-congruent pattern was evidenced for Know responses. However, the depressed patients responded to fewer words overall with Know responses than the comparison participants. These results suggest that the mood-congruent memory pattern in depressed patients is related to conscious recollection rather than to familiarity. Attentional biases toward negative words and elaboration processes and/or encoding in reference to the self may contribute to these findings. 相似文献
222.
In a phylogenetic perspective, the phenomenal and the functional aspects of consciousness cannot be separated because consciousness, as a phenomenal experience, must be causally effective. The hypothesis I propose is that the fundamental property of consciousness consists of a self-organizing process: the differentiation of a content. The differentiation of a content occurs on the basis of the relations internal to a representational whole, which behaves like a field and tends towards a condition of equilibrium. This hypothesis can be somehow considered an extension of Gestalt visual perceptual theory. Unlike neurocomputational processes, which are non-conscious and extrinsic to the representation, conscious processes are intrinsic to the representational whole. Consciousness, as an intrinsically self-organizing process interwoven with its phenomenal aspects, can be more than epiphenomenal and it can be involved in mental function. The paper then discusses the implications of this hypothesis for subjectivity and the explanatory gap. 相似文献
223.
Repp BH 《Human movement science》2011,30(1):18-39
Continuous circle drawing is considered a paragon of emergent timing, whereas the timing of finger tapping is said to be event-based. Synchronization with a metronome, however, must to some extent be event-based for both types of movement. Because the target events in the movement trajectory are more poorly defined in circle drawing than in tapping, circle drawing shows more variable asynchronies with a metronome than does tapping. One factor that may have contributed to high variability in past studies is that circle size, drawing direction, and target point were prescribed and perhaps outside the comfort range. In the present study, participants were free to choose most comfortable settings of these parameters for two continuously drawn shapes, circles and infinity signs, while synchronizing with a regular or intermittently perturbed metronome at four different tempi. Results showed that preferred circle sizes were generally smaller than in previous studies but tended to increase as tempo decreased. Synchronization results were similar for circles and infinity signs, and similar to earlier results for circles drawn within a fixed template (Repp & Steinman, 2010). Comparison with tapping data still showed drawing to exhibit much greater variability and persistence of asynchronies as well as slower phase correction in response to phase shifts in the metronome. With comfort level ruled out as a factor, these differences can now be attributed more confidently to differences in event definition and/or movement dynamics. 相似文献
224.
Laeng B Låg T Brennen T 《Journal of experimental psychology. Human perception and performance》2005,31(3):438-452
Sensory or input factors can influence the strength of interference in the classic Stroop color-word task. Specifically, in a single-trial computerized version of the Stroop task, when color-word pairs were incongruent, opponent color pairs (e.g., the word BLUE in yellow) showed reduced Stroop interference compared with nonopponent color pairs (e.g., BLUE in red). In addition, participants' color discrimination ability was measured by standard color vision tests (i.e., Farnsworth-Munsell 100-Hue Test and Ishihara plates). Error rates in the Farnsworth-Munsell test correlated positively with the amount of Stroop interference. Neural network simulations (variants of J. D. Cohen, K. Dunbar, & J. L. McClelland's, 1990, model) showed that only a distributed trichromatic input layer was able to simulate these findings. Thus, sensory input from the color system needs to be incorporated into current accounts of the Stroop effect. 相似文献
225.
Sensorimotor synchronization with adaptively timed sequences 总被引:1,自引:0,他引:1
Most studies of human sensorimotor synchronization require participants to coordinate actions with computer-controlled event sequences that are unresponsive to their behavior. In the present research, the computer was programmed to carry out phase and/or period correction in response to asynchronies between taps and tones, and thereby to modulate adaptively the timing of the auditory sequence that human participants were synchronizing with, as a human partner might do. In five experiments the computer's error correction parameters were varied over a wide range, including "uncooperative" settings that a human synchronization partner could not (or would not normally) adopt. Musically trained participants were able to maintain synchrony in all these situations, but their behavior varied systematically as a function of the computer's parameter settings. Computer simulations were conducted to infer the human participants' error correction parameters from statistical properties of their behavior (means, standard deviations, auto- and cross-correlations). The results suggest that participants maintained a fixed gain of phase correction as long as the computer was cooperative, but changed their error correction strategies adaptively when faced with an uncooperative computer. 相似文献
226.
Recent studies show that emotional stimuli impair performance to subsequently presented neutral stimuli. Here we show a cross-modal perceptual enhancement caused by emotional cues. Auditory cue words were followed by a visually presented neutral target word. Two-alternative forced-choice identification of the visual target was improved by emotional cues as compared to neutral cues. When the cue was presented visually we replicated the emotion-induced impairment found in other studies. Our results suggest emotional stimuli have a twofold effect on perception. They impair perception by reflexively attracting attention at the expense of competing stimuli. However, emotional stimuli also induce a nonspecific perceptual enhancement that carries over onto other stimuli when competition is reduced, for example, by presenting stimuli in different modalities. 相似文献
227.
Daisy M. Pascualvaca Bruno J. Anthony L. Eugene Arnold George W. Rebok Mary Beth Ahearn Sheppard G. Kellam 《Child neuropsychology》2013,19(1):13-27
Abstract We administered a comprehensive attentional battery to an epidemiologically defined sample of 435 first-and second-grade children to assess the influence of gender and verbal intelligence on attention. The battery included three versions of the continuous performance test (CPT), two digit cancellation tasks, three subtests from the WISC-R, and the Wisconsin Card Sorting Test. The results indicated that both gender and intelligence had an impact on attentional performance. Girls performed better than boys; they made fewer errors on the CPT and obtained higher scores on the digit cancellation task and the Coding subtest of the WISC-R. Children with higher verbal intelligence also performed better on the attentional tests, but this advantage was not observed across measures or levels of performance. For example, children with limited verbal skills performed significantly worse than their peers only in measures with high processing demands (the degraded CPT and the distraction version of the digit cancellation task). 相似文献
228.
Valérie Schwitter Bruno Boyer Alain Méot Patrick Bonin Marina Laganaro 《Behavior research methods》2004,36(3):564-576
The aim of the present study was to provide French normative data for 112 action line drawings. The set of action pictures
consisted of 71 drawings taken from Masterson and Druks (1998) and 41 additional drawings. It was standardized on six psycholinguistic
variables—that is, name agreement, image agreement, image variability, visual complexity, conceptual familiarity, and age
of acquisition (AoA). Naming latencies to the action pictures were collected, and a regression analysis was performed on the
naming latencies, with the standardized variables, as well as with word frequency and length, taken as predictors. A reliable
influence of AoA, name agreement, and image agreement on the naming latencies was observed. The findings are consistent with
previous published studies in other languages. The full set of these norms may be downloaded fromwww.psychonomic.org/archive/. 相似文献
229.
It has been shown that the left and right cerebral hemispheres (LH and RH) respectively process qualitative or “categorical” spatial relations and metric or “coordinate” spatial relations. However, categorical spatial information could be thought as divided into two types: semantically-coded and visuospatially-coded categorical information. We examined whether a LH’s advantage in processing semantic-categorical information is observed in a non-verbal format, and also whether semantic- and visuospatial-categorical processing are differentially lateralized. We manipulated the colors and positions of the standard traffic light sign as semantic- and visuospatial-categorical information respectively, and tested performance with the divided visual field method. In the semantic-categorical matching task, in which the participants judged if the semantic-categorical information of a successive cue and target was the same, a right visual field advantage was observed, suggesting a LH’s preference for processing semantic-categorical information in a non-verbal format. In the visuospatial-categorical matching task, in which the participants judged if the visuospatial-categorical information of a successive cue and target was identical, a left visual field advantage was obtained. These results suggest that the processing of semantic-categorical information is lateralized in LH, and we discuss the dissociation between the two types of categorical information. 相似文献
230.
To better understand and, therefore, treat Vietnam combat veterans with a diagnosis of posttraumatic stress disorder (PTSD), the Rorschach was administered to 50 patients so diagnosed. The most important findings were that, on average: (a) These patients have a low level of stress tolerance and are, therefore, likely to respond impulsively to stressful situations; (b) this tow stress tolerance appears to be a long-term adjustment problem; and (c) their perception of reality is unconventional and often distorted. A primary therapeutic indication from these data is that the use of structure would be important for successful therapy. Other findings and therapeutic recommendations are also discussed. 相似文献