From Filled to Empty Time Intervals: Quantifying Online Behaviors with Digital Traces

2020 ◽  
Vol 14 (4) ◽  
pp. 219-238 ◽  
Author(s):  
Tai-Quan Peng ◽  
Yixin Zhou ◽  
Jonathan J. H. Zhu
Keyword(s):  
Time Intervals ◽  
Empty Time

scholarly journals Time-Shrinking and Categorical Temporal Ratio Perception

2006 ◽  
Vol 24 (1) ◽  
pp. 1-22 ◽  
Author(s):  
Gert Ten Hoopen ◽  
Takayuki Sasaki ◽  
Yoshitaka Nakajima ◽  
Ger Remijn ◽  
Bob Massier ◽  
...  
Keyword(s):  
Cluster Analysis ◽  
Categorical Perception ◽  
Scaling Analysis ◽  
Rhythm Perception ◽  
Time Intervals ◽  
Temporal Dimension ◽  
Matching Procedure ◽  
T1 And T2 ◽  
Fourth Experiment ◽  
Empty Time

In a previous study, we presented psychophysical evidence that time-shrinking (TS), an illusion of time perception that empty durations preceded by shorter ones can be conspicuously underestimated, gives rise to categorical perception on the temporal dimension (Sasaki, Nakajima, & ten Hoopen, 1998). In the present study, we first survey studies of categorical rhythm perception and then describe four experiments that provide further evidence that TS causes categorical perception on the temporal dimension. In the first experiment, participants judged the similarity between pairs of /t1/t2/ patterns (slashes denote short sound markers delimiting the empty time intervals t1 and t2). A cluster analysis and a scaling analysis showed that patterns liable to TS piled up in a 1:1 category. The second and third experiments are improved replications in which the sum of t1 and t2 in the /t1/t2/ patterns is kept constant at 320 ms. The results showed that the 12 patterns /115/205/, /120/200/,  . . ., /165/155/, /170/150/ formed a 1:1 category. The fourth experiment utilizes a cross-modality matching procedure to establish the subjective temporal ratio of the /t1/t2/ patterns and a 1:1 category was established containing the 11 patterns /120/200/, /125/195/,  . . ., /165/155/, /170/150/. On basis of these converging results we estimate a domain of perceived 1:1 ratios as a function of total pattern duration (t1 + t2) between 160 and 480 ms. We discuss the implications of this study for rhythm perception and production.

scholarly journals Memory for empty time intervals in pigeons

2001 ◽  
Vol 29 (4) ◽  
pp. 293-301 ◽  
Author(s):  
Douglas S. Grant
Keyword(s):  
Time Intervals ◽  
Empty Time

Modality-Specific Effects on Discrimination of Short Empty Time Intervals

1979 ◽  
Vol 48 (3) ◽  
pp. 807-814 ◽  
Author(s):  
Shraga Hocherman ◽  
Gita Ben-Dov
Keyword(s):  
Human Subjects ◽  
Visual Stimuli ◽  
Random Order ◽  
Strong Response ◽  
Time Intervals ◽  
Specific Effects ◽  
The Subject ◽  
Response Biases ◽  
Empty Time

The ability of human subjects to judge the duration of short empty time intervals was studied in relation to the modality composition of the marker signals. Ac each trial, a pair of empty intervals was presented by a series of three successive stimuli, and the subject was asked to point out the longer interval of the two. Tone pips and flashes of light were used as the bounding signals. All the possible combinations of auditory and visual stimuli were used, in random order, to delimit pairs of intervals. Performance was found modality-independent when the first two stimuli were of the same modality. Strong response biases were introduced by varying the modality of the first or the second stimulus. Analysis of these biases indicates that memorization of the empty time intervals is affected by the modality of the binding signals.

Discrimination of two neighboring intra- and intermodal empty time intervals marked by three successive stimuli

2014 ◽  
Vol 149 ◽  
pp. 134-141 ◽  
Author(s):  
Tsuyoshi Kuroda ◽  
Emi Hasuo ◽  
Katherine Labonté ◽  
Vincent Laflamme ◽  
Simon Grondin
Keyword(s):  
Time Intervals ◽  
Empty Time

Bilateral Assimilation of Two Neighboring Empty Time Intervals

2005 ◽  
Vol 22 (3) ◽  
pp. 411-424 ◽  
Author(s):  
Ryota Miyauchi ◽  
Takayuki Nakajima
Keyword(s):  
Time Perception ◽  
Time Intervals ◽  
Subjective Equality ◽  
T1 And T2 ◽  
The Difference ◽  
Empty Time

In many sensory dimensions, assimilation of characteristics of perceived events can be found. In the present study, we examined whether assimilation appeared also in time perception, employing time intervals shorter than 300 ms marked by tone bursts. In Experiment 1, we measured points of subjective equality of two neighboring empty time intervals, t1 and t2. The perceived durations approached each other when the difference between t1 and t2 was small. That is, bilateral assimilation took place. In Experiment 2, we measured points of subjective equality of t1 in smaller steps and across a wider durational range than in Experiment 1. We found that t1 was overestimated slightly when it was a bit shorter than t2, and t1 was underestimated slightly when it was a bit longer than t2. The overestimation and the underestimation were considered as typical assimilation. The results also showed that the perception of t1 changed from assimilation to contrast when the difference between t1 and t2 exceeded the range -80 � t1 � t2 � 40 ms.

scholarly journals Pigeons’ memory for empty time intervals marked by visual or auditory stimuli

1999 ◽  
Vol 27 (2) ◽  
pp. 190-205 ◽  
Author(s):  
Angelo Santi ◽  
Lori Ross ◽  
Romina Coppa ◽  
James Coyle
Keyword(s):  
Auditory Stimuli ◽  
Time Intervals ◽  
Empty Time

scholarly journals Abstracting time in memory

2021 ◽  
Author(s):  
Sophie K Herbst ◽  
Izem Mangione ◽  
Tadeusz Kononowicz ◽  
Virginie van Wassenhove
Keyword(s):  
Working Memory ◽  
Delay Period ◽  
Abstract Representation ◽  
Time Intervals ◽  
Reproduction Task ◽  
Elapsed Time ◽  
Temporal Reproduction ◽  
The Future ◽  
Empty Time

Planning the future relies on the ability to remember how long events last, yet, how durations are stored in memory is unknown. Here, we developed a novel n-item delayed duration reproduction task to assess whether elapsed time is stored as a continuous feature or as an abstract item in memory. In three experiments (N = 58), participants listened to non-rhythmic sequences composed of empty time intervals (durations), which they had to reproduce as precisely as possible following a delay period. We manipulated the number of time intervals (n-item) and the overall sequence duration to separate their effects on recall precision. The precision of temporal reproduction systematically decreased with an increasing number of items. Our results suggest that the number of time intervals, not their duration, determines recall precision. We interpret this as evidence towards an abstract representation of duration in working memory.

scholarly journals The Kappa Effect With Only Two Visual Markers

2016 ◽  
Vol 29 (8) ◽  
pp. 703-725 ◽  
Author(s):  
Tsuyoshi Kuroda ◽  
Simon Grondin ◽  
Makoto Miyazaki ◽  
Katsuya Ogata ◽  
Shozo Tobimatsu
Keyword(s):  
Visual Angle ◽  
Relative Frequency ◽  
Interstimulus Interval ◽  
Velocity Model ◽  
Spatial Distance ◽  
Spatial Effects ◽  
Time Intervals ◽  
Visual Markers ◽  
Kappa Effect ◽  
Empty Time

The kappa effect is a spatiotemporal illusion where duration is overestimated with the increase of space. This effect is typically demonstrated with three successive stimuli marking two neighboring empty time intervals, and the classical imputed velocity model, in principle, does not help to predict any spatial effects when only two stimuli, marking single intervals, are presented on each trial. We thus conducted three experiments, examining requirements for the occurrence of the kappa effect with only two visual stimuli. An interstimulus interval between the two stimuli was 217 (short) or 283 ms (long), and participants categorized the presented interval as ‘short’ or ‘long’. The key finding is that participants tended to respond ‘short’ more frequently than ‘long’ when both stimuli were delivered from the same location, whereas the relative frequency of ‘long’ responses was increased when the two stimuli were delivered from different locations in most directions (i.e., horizontally, vertically, diagonally; Experiment 1). This kappa effect clearly occurred when each stimulus was located 8° apart from the fovea in visual angle, but it was reduced when each stimulus was further deviated from the fovea, regardless of whether the two stimuli were presented in the vertical or the horizontal direction (Experiments 2 and 3). Moreover, increasing the spatial distance between the two stimuli from 15 to 30 cm magnified the effect only in a limited condition (Experiment 3). Implications of these results were discussed in terms of the Bayesian model predicting the effects of spatial acuity.

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