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: Results demonstrate that, during reproduction of supra‐second time intervals, the SMA, in concert with a fronto‐insular network, is involved at the end of the target interval, and suggest a role in the duration categorization and decision making operations or alternatively in the preparedness of the timing of the future movement that will be executed during the reproduction phase.
4 citations
TL;DR: The distinction between past, present and future seems to be a universal phenomenon, but the relations of these categories may be different in different cultural codes as discussed by the authors, which means that in different cultures time may be experienced and conceptualized in diverse ways.
Abstract: The perception of time is culturally conditioned which means that in different cultures time may be experienced – perceived, conceptualized and evaluated – in diverse ways. The distinction between past, present and future seems to be a universal phenomenon, but the relations of these categories may be different in different cultural codes. The author defines two models of temporal perception, ‘historical’ and ‘cosmological’, analysing the conceptualization of time in each of them.
4 citations
TL;DR: An algebraic attention function is proposed to account for time perception removing the divergence of neural recruitment in the exponential attention function proposed earlier.
Abstract: We propose that attention is a purely psychological faculty without any corresponding neural centre, though it operates on neural assemblies for its functional aspects. An algebraic attention function is proposed to account for time perception removing the divergence of neural recruitment in the exponential attention function proposed earlier. The equation for subjective time is derived with the non-divergent recruitment. The inherently non-local nature of our model is discussed. The nonlocal nature of attention is discussed in view of recent experimental data indicating instantaneous correlations between spatially separated neural assemblies derived from the neural stem cells of the same individual as well as between human subjects.
4 citations
01 Jan 1982
TL;DR: Symptoms include changes in drive and volition lack of motivation, social withdrawal, reduction in spontaneous speech, and alterations in neurocognition difficulties in memory, attention and executive functioning.
Abstract: Symptoms include: •positive-symptom dimension: psychosis hallucinations and delusions •negative-symptom dimension: changes in drive and volition lack of motivation, social withdrawal, reduction in spontaneous speech •cognitive-symptom dimension: alterations in neurocognition difficulties in memory, attention and executive functioning •affective dimension: affective dysregulation giving rise to depressive and manic (bipolar) symptoms (van Os & Kapur, 2009)
4 citations
TL;DR: It is found that participants significantly underestimated the duration of a visual stimulus when a blink occurred during the stimulus, and this effect was not present when durations of an auditory stimulus were judged.
Abstract: Retinal input is frequently lost due to eye blinks, yet humans rarely notice these gaps in visual input. While previous studies focused on the psychophysical and neural correlates of diminished awareness to blinks, the impact of blinks on the perceived time of concurrent events is unknown. Here, we investigated whether the subjective sense of time is altered by spontaneous eye blinks, and how this link may inform mechanisms of time perception. We found that participants significantly underestimated the duration of a visual stimulus when a blink occurred during the stimulus. Importantly, this effect was not present when durations of an auditory stimulus were judged. These results point to a link between spontaneous blinks, previously demonstrated to induce suppression of activity in early visual cortex, and a compression of subjective time. The findings suggest that ongoing encoding within modality-specific sensory cortices, independent of conscious awareness, inform the subjective sense of time.
4 citations