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131.
Bruno H. Repp 《Psychological research》1998,61(1):33-43
Previous research has shown that, in a task requiring the detection of local deviations from mechanically precise timing
in music, the relative detectability of deviations in different positions is closely related to the typical expressive timing
pattern musicians produce when playing the music. This result suggests that listeners expect to hear music expressively timed
and compensate for the absence of expressive timing. Three new detection experiments shed additional light on the nature of
these timing expectations in musically trained listeners. Experiment 1 shows that repeated exposure to an atypically (but
not unmusically) timed performance leaves listeners' timing expectations unaffected. Experiment 2 demonstrates that the expectations
do not manifest themselves when listeners merely imagine the music in synchrony with a click track. Experiment 3, however,
shows that the timing expectations are fully operational when the click track is superimposed on the music. These results
reveal timing “expectations” to be an obligatory consequence of the ongoing auditory perception of musical structure.
Received: 5 November 1996 / Accepted: 26 February 1997 相似文献
132.
Bruno H. Repp 《Attention, perception & psychophysics》1978,24(5):471-485
The place of articulation of intervocalic stop consonants is conveyed by temporally distributed spectral information, viz, the formant transitions preceding and following the silent closure interval (VC and CV transitions). Experiment 1 shows that more than 200 msec of silent closure is needed to hear VC and CV formant transitions as separate phonemic events (geminate stops). As closure duration is reduced, these cues are integrated into a single phonemic percept, and the VC transitions become increasingly redundant (Experiments 2 and 3). VC and CV transitions conveying different places of articulation, on the other hand, are heard as separate phonemes at closure durations as short as 100 msec. If closure duration is further reduced, a single stop is heard whose place of articulation corresponds to the CV transitions (Experiment 3). Even in the absence of CV transitions, VC transitions carry little perceptual weight at very short closure durations (Experiment 4). Despite their apparent redundancy, however, the VC transitions exert a positive bias on the perception of CV transitions at very short closure durations. At closure durations beyond 100 msec, on the other hand, VC and CV transitions interact contrastively in perception and tend to be heard as different phonemes (Experiments 5 and 6). The results of these experiments suggest two different processes of temporal integration in phonetic perception, one taking place at a precategorical level, the other combining identical phoneme categories within a certain time span. 相似文献
133.
Illusory figures based on local kinematics. 总被引:1,自引:0,他引:1
A new type of motion-induced illusory figure determined by local kinematic information is investigated. The new figure is induced by radial line patterns subjected to either figure motion (the lines change as if they were stationary and a triangle was rotating in front of them) or background motion (the lines change as if they were being rotated behind a stationary triangle). Although the two kinds of motion are equivalent from the viewpoint of relative displacements, perceptually they yield very different results. With background motion, observers tend to perceive rigid figures that have a triangular shape. With figure motion, observers report seeing deforming figures with shapes that vary depending on the number of lines in the display. We consider two alternative accounts for this asymmetry which we term the background superiority effect (BSE). The first account proposes that the effect is due to retinal persistence and to figure stability. Against this line of explanation, we demonstrate that observers also see rigid triangular shapes in displays where both the figure and the radial lines rotate (double motion displays). The second account proposes that the effect depends on the availability of local kinematic information constraining contour orientation. This second line of explanation is consistent with observers' reports of bowed edges in double motion displays rotating in phase or in counterphase. Candidate mechanisms for extracting local kinematic information are discussed. 相似文献
134.
Marianna Frascarelli Tommaso Accinni Antonino Buzzanca Luca Carlone Francesco Ghezzi Antonella Moschillo Georgios D. Kotzalidis Paola Bucci Giulia Maria Giordano Martina Fanella Carlo Di Bonaventura Carolina Putotto Bruno Marino Massimo Pasquini Massimo Biondi Fabio Di Fabio 《Journal of Neuropsychology》2023,17(3):564-583
Patients with the 22q11.2 deletion syndrome (DS) show an increased risk of developing a psychotic illness lifetime. 22q11.2DS may represent a reliable model for studying the neurobiological underpinnings of schizophrenia. The study of social inference abilities in a genetic condition at high risk for psychosis, like 22q11.2DS, may shed light on the relationships between neurocognitive processes and patients' daily general functioning. The study sample consisted of 1736 participants, divided into four groups: 22q11.2DS patients with diagnosis of psychotic disorder (DEL SCZ, N = 20); 22q11.2DS subjects with no diagnosis of psychosis (DEL, N = 43); patients diagnosed with schizophrenia without 22q11.2DS (SCZ, N = 893); and healthy controls (HC, N = 780). Social cognition was assessed through The Awareness of Social Inference Test (TASIT) and general functioning through the Specific Levels of Functioning (SLoF) scale. We analysed data through regression analysis. The SCZ and DEL groups had similar levels of global functioning; they both had significantly lower SLoF Total scores than HC (p < .001); the DEL SCZ group showed significantly lower scores compared to the other groups (SCZ, p = .004; DEL, p = .003; HC, p < .001). A significant deficit in social cognition was observed in the three clinical groups. In the DEL SCZ and SCZ groups, TASIT scores significantly predicted global functioning (p < .05). Our findings of social cognition deficit in psychosis-prone patients point to the possible future adoption of rehabilitation programmes, like Social Skills Training and Cognitive Remediation, during premorbid stages of psychosis. 相似文献
135.
Spatial representation of pitch height: the SMARC effect 总被引:1,自引:0,他引:1
Through the preferential pairing of response positions to pitch, here we show that the internal representation of pitch height is spatial in nature and affects performance, especially in musically trained participants, when response alternatives are either vertically or horizontally aligned. The finding that our cognitive system maps pitch height onto an internal representation of space, which in turn affects motor performance even when this perceptual attribute is irrelevant to the task, extends previous studies on auditory perception and suggests an interesting analogy between music perception and mathematical cognition. Both the basic elements of mathematical cognition (i.e. numbers) and the basic elements of musical cognition (i.e. pitches), appear to be mapped onto a mental spatial representation in a way that affects motor performance. 相似文献
136.
137.
Repp BH 《Perception & psychophysics》2002,64(5):703-716
In three experiments, the effects of contextual temporal variation on the perception of timing and on sensorimotor synchronization were examined. Experiment 1 showed that exposure to a variably timed auditory precursor sequence reduces the detectability of deviations from isochrony in a musical test sequence. By contrast, in Experiment 2 there was only a small and transient effect of identical precursor sequences on the variability of finger taps that were synchronized with a similar test sequence. Moreover, the precursor did not impede phase error correction following deviations from isochrony in the test sequence. Experiment 3 employed a within-subjects design that required simultaneous detection of irregularities in and synchronization with nonmusical auditory sequences. Precursor variability impaired only detection, not synchronization performance. These results suggest that perception of deviations from regularity engages context-sensitive tining processes, probably related to conscious awareness, that are not involved in sensorimotor synchronization. 相似文献
138.
When a horizontally elongated surface is occluded in the middle by a larger surface, it appears narrower than its true width
(Kanizsa’s compression illusion). We report that a similar compression effect occurs for closed-loop visuomotor matches of
size, but not for otherwise comparable open-loop “mimed” reaching or size-matching visuomotor responses. Our study is the
first in which a comparison of size perception in personal space with bilateral actions performed with both hands (instead
of precision grips employing the thumb and the index finger) is used to investigate motor responses to Kanizsa’s compression
illusion. Implications for the current debate on the existence of dissociations between spatial perception and visually controlled
actions in personal space are discussed. 相似文献
139.
Bruno N 《Trends in cognitive sciences》2005,9(1):1-3
Temporally-extended perception involves a delicate balance of constancy and change. 'This can be seen, for instance, when viewing bistable figures such as the Necker cube. A recent study by Gepshtein and Kubovy of sequential effects in multistable dot lattices demonstrates constancy and change within the same set of data. They propose that these opposing trends might be explained by the same single factor: a persistent random orientation bias that is intrinsic to brain activity. This proposal could form the basis for a new account of multistability. 相似文献
140.
Bruno Thomann 《Behavior research methods》2001,33(3):339-348
In a sequence from a videotaped dialogue between two persons (e.g., psychotherapist and patient), observers are given the task of searching for, marking, and commenting on conspicuous events. The observers receive no information on where to look for conspicuous events and no information on what events are worth marking. Moreover, nothing is known about the observers’ marking preferences. Marking is therefore very spontaneous and subjective. This marking freedom leads to the problem that a superimposition of all observers’ markings yields complicated configurations of mutually overlapping intervals. To address this difficulty, a new definition of the concept of marking agreement is proposed that is based upon relational considerations. According to this definition, a set ofagreeing marking subsets of various sizes can be found in marking configurations. A significance concept is proposed to allow comparison of different configurations, and standardization on the basis of random configurations is performed using Monte Carlo simulations. 相似文献