Multiple channels of visual time perception

Bruno, Aurelio; Cicchini, Guido Marco

doi:10.1016/j.cobeha.2016.02.028

Cited by 38 publications

(40 citation statements)

References 91 publications

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“…In fact, a growing body of evidence now suggests that the temporal and spatial factors are not processed independently, and that timing has a spatial component. Saccadic eye movements, for example, are known to induce distortions of time, as well as space, implying that time and space are not processed separately in the brain (Bruno & Cicchini, 2016;Morrone et al, 2005). Moreover, duration judgments change according to which visual hemisphere the stimulus is presented to (Vicario et al, 2008), suggesting spatial anisotropies in time perception.…”

Section: Introductionmentioning

confidence: 99%

Short-term global motion adaptation induces a compression in the subjective duration of dynamic visual events

Gulhan

Ayhan

2019

Journal of Vision

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# Apparent duration can be manipulated in a local region of visual field by long-term adaptation to motion or flicker (Johnston, Arnold, & Nishida, 2006). These effects show narrow spatial tuning (Ayhan, Bruno, Nishida, & Johnston, 2009), as well as retinotopic position dependency (Bruno, Ayhan, & Johnston, 2010), supporting early locus in the visual pathway. Here, we introduce a new effect using RDK as a short-term visual adaptor and demonstrate that a brief, subsecond range adaptation induces a significant subjective duration compression (;10%) on a subsequently presented test stimulus (RDK pattern) only for global motion patterns drifting at 50% motion coherence but not for those drifting at 0% coherence, suggesting a higher level area as a source of origin. In another set of experiments using a plaid stimulus as the adaptor and gratings as the tests, we report again a significant duration compression following a brief motion adaptation, although the effect does not seem to be consistently selective for a particular direction of the standard test relative to that of the plaid adaptor (two-dimensional motion) or its components (one-dimensional motion). Finally, we conduct an experiment using shutter glasses and find that the effects of a short-term adaptor presented monocularly to one eye transfer to the nonadapted eye, providing evidence for the interocular transfer. In a series of control experiments, we also show that the duration effects cannot be explained by adaptationinduced changes in perceived speed, perceived onsetand-offset, and attentional resource allocation. Overall, the duration compression effect requiring motion coherence in RDK, persisting in plaid stimulus, and showing interocular transfer imply explicit genuine mechanisms mediating duration effects in the higher level motion areas.

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Section: Introductionmentioning

confidence: 99%

Short-term global motion adaptation induces a compression in the subjective duration of dynamic visual events

Gulhan

Ayhan

2019

Journal of Vision

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“…Evidence from sensory timing perception [5] and computational modeling [6] suggests neural responses selective for specific sensory event durations or frequencies [7]. We recently demonstrated that selective responses to another sensory quantity [8], visual numerosity [9,10], form an extensive fronto-parietal network of topographic maps [11,12].…”

Section: Introductionmentioning

confidence: 99%

A Network of Topographic Maps in Human Association Cortex Hierarchically Transforms Visual Timing-Selective Responses

et al. 2019

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“…Different accounts of such results include speeding up of a pacemaker in internal clock models [7,11,12], and an effect of the number of spatial changes (higher for high-speed stimuli compared to low-speed stimuli) leading to temporal overestimation [8,13]. Alternatively, instead of a single cognitive timing mechanism, multiple mechanisms might be in place [14]. Building upon results regarding visual processing in the subsecond scale, Bruno and Cicchini proposed that several parallel clocks might be instantiated at multiple points of the visual pathway [14].…”

Section: Introductionmentioning

confidence: 99%

“…Alternatively, instead of a single cognitive timing mechanism, multiple mechanisms might be in place [14]. Building upon results regarding visual processing in the subsecond scale, Bruno and Cicchini proposed that several parallel clocks might be instantiated at multiple points of the visual pathway [14]. Considering that the spatial features and speed of moving stimuli can differently recruit high-order visual areas (e.g., in the illusion of movement depending on frame rates), the existence of multiple timing mechanisms might lead to differences in temporal perception of such stimuli.…”

Section: Introductionmentioning

confidence: 99%

Differences in perceived duration between plausible biological and non-biological stimuli

Giorjiani

Biazoli

Caetano

2019

Preprint

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Visual motion stimuli can sometimes distort our perception of time. This effect is dependent on the apparent speed of the moving stimulus, where faster stimuli are usually perceived lasting longer than slower stimuli. Although it has been shown that neural and cognitive processing of biological motion stimuli differ from non-biological motion stimuli, no study has yet investigated whether perceived durations of biological stimuli differ from non-biological stimuli across different speeds. Here, a prospective temporal reproduction task was used to assess that question. Biological motion stimuli consisted in a human silhouette running in place. Nonbiological motion stimuli consisted in a rectangle moving in a pendular way. Amount and plausibility of movement for each stimulus and frame-rate (speed) were evaluated by an independent group of participants. Although amount of movement was positively correlated to frame rate, movie clips involving biological motion stimuli were judged to last longer than nonbiological motion stimuli only at frame rates in which movement was rated as plausible. These results suggest that plausible representations of biomechanical movement induce additional temporal distortions to those modulated by increases in stimulus speed. Moreover, most studies that have reported neural and cognitive differences in the processing of biological and nonbiological motion stimuli acquired neurophysiological data using fMRI. The present study aimed additionally to report differences in the processing of biological and non-biological motion stimuli across different speeds using functional near infrared spectroscopy (fNIRS), a less costly and portable form of neurophysiological data acquisition.

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Multiple channels of visual time perception

Cited by 38 publications

References 91 publications

Short-term global motion adaptation induces a compression in the subjective duration of dynamic visual events

Short-term global motion adaptation induces a compression in the subjective duration of dynamic visual events

A Network of Topographic Maps in Human Association Cortex Hierarchically Transforms Visual Timing-Selective Responses

Differences in perceived duration between plausible biological and non-biological stimuli

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