Topic
Time perception
About: Time perception is a research topic. Over the lifetime, 1918 publications have been published within this topic receiving 87020 citations.
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TL;DR: The findings provide causal evidence for fluctuations in temporal perception and indicate an involvement of occipital alpha oscillations in the visual system.
Abstract: It has long been debated whether visual processing is, at least partially, a discrete process. Although vision appears to be a continuous stream of sensory information, sophisticated experiments reveal periodic modulations of perception and behavior. Previous work has demonstrated that the phase of endogenous neural oscillations in the 10 Hz range predicts the “lag” of the flash lag effect, a temporal visual illusion in which a static object is perceived to be lagging in time behind a moving object. Consequently, it has been proposed that the flash lag illusion could be a manifestation of a periodic, discrete sampling mechanism in the visual system. In this experiment we set out to causally test this hypothesis by entraining the visual system to a periodic 10 Hz stimulus and probing the flash lag effect (FLE) at different time points during entrainment. We hypothesized that the perceived FLE would be modulated over time, at the same frequency as the entrainer (10 Hz). A frequency analysis of the average FLE time-course indeed reveals a significant peak at 10 Hz as well as a strong phase consistency between subjects (N=26). Our findings provide causal evidence for fluctuations in temporal perception and indicate an involvement of occipital alpha oscillations.
18 citations
TL;DR: The findings indicate that auditory timing impacts visual motion processing very early in the processing hierarchy and without the involvement of higher-order attentional and/or position tracking mechanisms.
Abstract: Visual motion processing is essential to survival in a dynamic world and is probably the best-studied facet of visual perception. It has been recently discovered that the timing of brief static sounds can bias visual motion perception, an effect attributed to “temporal ventriloquism” whereby the timing of the sounds “captures” the timing of the visual events. To determine whether this cross-modal interaction is dependent on the involvement of higher-order attentive tracking mechanisms, we used near-threshold motion stimuli that isolated low-level pre-attentive visual motion processing. We found that the timing of brief sounds altered sensitivity to these visual motion stimuli in a manner that paralleled changes in the timing of the visual stimuli. Our findings indicate that auditory timing impacts visual motion processing very early in the processing hierarchy and without the involvement of higher-order attentional and/or position tracking mechanisms.
18 citations
TL;DR: This work found that selective removal of memory cells in this topological map model shifts the peak-response time in a manner consistent with the current experimental data on the effect of hippocampal lesions on time perception, and suggested a theoretical estimate for the memory translation constant K*.
18 citations
TL;DR: The findings of this study support Barkley's theory and indicate a relationship between poor behavioral inhibition and poor time perception in children.
Abstract: PURPOSE: To test one component of Barkley's (1997) model of executive functions by examining the relationship between behavioral inhibition and time perception in children.
METHOD: Correlation analysis was used to determine the relationships between measures of behavioral inhibition and time perception for the entire sample, and for boys (n = 34) and girls (n = 26) separately.
FINDINGS: For both parent and child measures, behavioral inhibition and time perception scores were correlated for the total group and for girls. Child measure of behavioral inhibition and time perception were not correlated for boys.
CONCLUSIONS: The findings of this study support Barkley's theory and indicate a relationship between poor behavioral inhibition and poor time perception in children.
18 citations
TL;DR: The subgroup of migraineurs with a depressive disorder showed a marked speeding up of their internal timekeeping mechanisms, pointing to depression as an important covariable in time perception.
Abstract: Despite occasional case reports, the influence of migraine on time perception has not been systematically investigated. We used an experimental technique to study the estimation of auditory duration in 40 migraineurs at different tone intervals in the ms and in the 1-s range and compared their performance with 40 matched normal subjects. With a time awareness questionnaire we also evaluated the subjective experience of elapsing time for long durations involving long-term memory processes. Migraine did not influence temporal judgements in either of the tests, suggesting that migraineurs do not generally over- or underestimate temporal events. The subgroup of migraineurs with a depressive disorder, however, showed a marked speeding up of their internal timekeeping mechanisms, pointing to depression as an important covariable in time perception.
17 citations