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Rhodes D, Bridgewater T, Ayache J, Riemer M. Rapid calibration to dynamic temporal contexts. Q J Exp Psychol (Hove) 2023:17470218231219507. [PMID: 38017605 DOI: 10.1177/17470218231219507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
The prediction of future events and the preparation of appropriate behavioural reactions rely on an accurate perception of temporal regularities. In dynamic environments, temporal regularities are subject to slow and sudden changes, and adaptation to these changes is an important requirement for efficient behaviour. Bayesian models have proven a useful tool to understand the processing of temporal regularities in humans; yet an open question pertains to the degree of flexibility of the prior that is required for optimal modelling of behaviour. Here we directly compare dynamic models (with continuously changing prior expectations) and static models (a stable prior for each experimental session) with their ability to describe regression effects in interval timing. Our results show that dynamic Bayesian models are superior when describing the responses to slow, continuous environmental changes, whereas static models are more suitable to describe responses to sudden changes. In time perception research, these results will be informative for the choice of adequate computational models and enhance our understanding of the neuronal computations underlying human timing behaviour.
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Affiliation(s)
| | - Tyler Bridgewater
- NTU Psychology, Nottingham Trent University, Nottingham, UK
- School of Psychology, Cardiff University, UK
| | - Julia Ayache
- NTU Psychology, Nottingham Trent University, Nottingham, UK
| | - Martin Riemer
- Biological Psychology and Neuroergonomics, Technical University Berlin, Berlin, Germany
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2
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Chen S, Wang T, Bao Y. Serial dependence in timing at the perceptual level being modulated by working memory. Psych J 2023; 12:774-786. [PMID: 37528541 DOI: 10.1002/pchj.653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 04/09/2023] [Indexed: 08/03/2023]
Abstract
Recent experiences bias the perception of following stimuli, as has been verified in various kinds of experiments in visual perception. This phenomenon, known as serial dependence, may reflect mechanisms to maintain perceptual stability. In the current study, we examined several key properties of serial dependence in temporal perception. Firstly, we examined the source of the serial dependence effect in temporal perception. We found that perception without motor reproduction is sufficient to induce the sequential effect; motor reproduction caused a stronger effect and is achieved by biasing the perception of the future target duration rather than directly influencing the subsequent movement. Secondly, we ask how working memory influences serial dependence in a temporal reproduction task. By varying the delay time between standard duration and the reproduction, we showed that the strength of serial dependence is enhanced as the delay increased. Those features of serial dependence are consistent with what has been observed in visual perceptual tasks, for example, orientation perception or location perception. The similarities between the visual and the timing tasks may suggest a similar neural coding mechanism of magnitude between the visual stimuli and the duration.
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Affiliation(s)
- Shuai Chen
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
| | - Tianhe Wang
- Department of Psychology, University of California Berkeley, Berkeley, California, USA
- Helen Wills Institute, University of California, Berkeley, California, USA
| | - Yan Bao
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
- Institute of Medical Psychology, Ludwig Maximilian University, Munich, Germany
- Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
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3
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Wehrman J, Wearden JH. Can't catch the beat: Failure to find simple repetition effects in three types of temporal judgements. Q J Exp Psychol (Hove) 2023; 76:2596-2612. [PMID: 36779526 PMCID: PMC10585948 DOI: 10.1177/17470218231157674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 09/25/2022] [Accepted: 12/24/2022] [Indexed: 02/14/2023]
Abstract
More experience results in better performance, usually. In most tasks, the more chances to learn we have, the better we are at it. This does not always appear to be the case in time perception however. In the current article, we use three different methods to investigate the role of the number of standard example durations presented on performance on three timing tasks: rhythm continuation, deviance detection, and final stimulus duration judgement. In Experiments 1a and 1b, rhythms were produced with the same accuracy whether one, two, three, or four examples of the critical duration were presented. In Experiment 2, participants were required to judge which of four stimuli had a different duration from the other three. This judgement did not depend on which of the four stimuli was the deviant one. In Experiments 3a and 3b, participants were just as accurate at judging the duration of a final stimulus in comparison to the prior stimuli regardless of the number of standards presented prior to the final stimulus. In summary, we never found any systematic effect of the number of standards presented on performance on any of the three timing tasks. In the discussion, we briefly relate these findings to three theories of time perception.
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Wehrman J, Sanders R, Wearden J. What came before: Assimilation effects in the categorization of time intervals. Cognition 2023; 234:105378. [PMID: 36706494 DOI: 10.1016/j.cognition.2023.105378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 01/26/2023]
Abstract
Assimilation is the process by which one judgment tends to approach some aspect of another stimulus or judgment. This effect has been known for over half a century in various domains such as the judgment of weight or sound intensity. However, the assimilation of judgments of durations have been relatively unexplored. In the current article, we present the results of five experiments in which participant s were required to judge the duration of a visual stimulus on each trial. In each experiment, we manipulated the pattern of durations they experienced in order to systematically separate the effects of the objective and subjective duration of stimuli on subsequent judgments. We found that duration judgments were primarily driven by prior judgments, with little, if any, effect of the prior objective stimulus duration. This is in contrast to the findings previously reported in regards to non-temporal judgments. We propose two mechanist explanations of this effect; a representational account in which judgments represent the speed of an underlying pacemaker, and an assimilation account in which judgment is based in prior experience. We further discuss results in terms of predictive coding, in which the previous rating is representative of a prior expectation, which is modified by current experience.
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Wang T, Luo Y, Ivry RB, Tsay JS, Pöppel E, Bao Y. A unitary mechanism underlies adaptation to both local and global environmental statistics in time perception. PLoS Comput Biol 2023; 19:e1011116. [PMID: 37146089 PMCID: PMC10191274 DOI: 10.1371/journal.pcbi.1011116] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 05/17/2023] [Accepted: 04/19/2023] [Indexed: 05/07/2023] Open
Abstract
Our duration estimation flexibly adapts to the statistical properties of the temporal context. Humans and non-human species exhibit a perceptual bias towards the mean of durations previously observed as well as serial dependence, a perceptual bias towards the duration of recently processed events. Here we asked whether those two phenomena arise from a unitary mechanism or reflect the operation of two distinct systems that adapt separately to the global and local statistics of the environment. We employed a set of duration reproduction tasks in which the target duration was sampled from distributions with different variances and means. The central tendency and serial dependence biases were jointly modulated by the range and the variance of the prior, and these effects were well-captured by a unitary mechanism model in which temporal expectancies are updated after each trial based on perceptual observations. Alternative models that assume separate mechanisms for global and local contextual effects failed to capture the empirical results.
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Affiliation(s)
- Tianhe Wang
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
- Department of Psychology and Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, California, United States of America
| | - Yingrui Luo
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
| | - Richard B. Ivry
- Department of Psychology and Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, California, United States of America
| | - Jonathan S. Tsay
- Department of Psychology and Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, California, United States of America
| | - Ernst Pöppel
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
- Institute of Medical Psychology, Ludwig Maximilian University, Munich, Germany
| | - Yan Bao
- School of Psychological and Cognitive Sciences, Peking University, Beijing, China
- Institute of Medical Psychology, Ludwig Maximilian University, Munich, Germany
- Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
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6
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Li B, Wang B, Zaidel A. Modality-specific sensory and decisional carryover effects in duration perception. BMC Biol 2023; 21:48. [PMID: 36882836 PMCID: PMC9993637 DOI: 10.1186/s12915-023-01547-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 02/17/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND The brain uses recent history when forming perceptual decisions. This results in carryover effects in perception. Although separate sensory and decisional carryover effects have been shown in many perceptual tasks, their existence and nature in temporal processing are unclear. Here, we investigated whether and how previous stimuli and previous choices affect subsequent duration perception, in vision and audition. RESULTS In a series of three experiments, participants were asked to classify visual or auditory stimuli into "shorter" or "longer" duration categories. In experiment 1, visual and auditory stimuli were presented in separate blocks. Results showed that current duration estimates were repelled away from the previous trial's stimulus duration, but attracted towards the previous choice, in both vision and audition. In experiment 2, visual and auditory stimuli were pseudorandomly presented in one block. We found that sensory and decisional carryover effects occurred only when previous and current stimuli were from the same modality. Experiment 3 further investigated the stimulus dependence of carryover effects within each modality. In this experiment, visual stimuli with different shape topologies (or auditory stimuli with different audio frequencies) were pseudorandomly presented in one visual (or auditory) block. Results demonstrated sensory carryover (within each modality) despite task-irrelevant differences in visual shape topology or audio frequency. By contrast, decisional carryover was reduced (but still present) across different visual topologies and completely absent across different audio frequencies. CONCLUSIONS These results suggest that serial dependence in duration perception is modality-specific. Moreover, repulsive sensory carryover effects generalize within each modality, whereas attractive decisional carryover effects are contingent on contextual details.
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Affiliation(s)
- Baolin Li
- School of Psychology, Shaanxi Normal University, 199 Chang'an South Road, Yanta District, Xi'an, 710062, China.
| | - Biyao Wang
- School of Psychology, Shaanxi Normal University, 199 Chang'an South Road, Yanta District, Xi'an, 710062, China
| | - Adam Zaidel
- Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, 5290002, Ramat Gan, Israel
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Schmalbrock P, Frings C. Temporal expectancy modulates stimulus-response integration. Atten Percept Psychophys 2022; 84:221-230. [PMID: 34449072 PMCID: PMC8794897 DOI: 10.3758/s13414-021-02361-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2021] [Indexed: 11/18/2022]
Abstract
We can use information derived from passing time to anticipate an upcoming event. If time before an event varies, responses towards this event become faster with increasing waiting time. This variable-foreperiod effect has been often observed in response-speed studies. Different action control frameworks assume that response and stimulus features are integrated into an event file that is retrieved later if features repeat. Yet the role of foreperiods has so far not been investigated in action control. Thus, we investigated the influence of foreperiod on the integration of action-perception features. Participants worked through a standard distractor-response binding paradigm where two consecutive responses are made towards target letters while distractor letters are present. Responses and/or distractors can repeat or change from first to second display, leading to partial repetition costs when only some features repeat or repetition benefits when all features repeat (the difference constituting distractor-response binding). To investigate the effect of foreperiod, we also introduced an anti-geometric distribution of foreperiods to the time interval before the first response display. We observed that distractor-response binding increased with increasing foreperiod duration, and speculate that this was driven by an increase in motor readiness induced by temporal expectancy.
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Affiliation(s)
- Philip Schmalbrock
- Department of Psychology, University of Trier, Universitätsring 15, DE-54296, Trier, Germany.
| | - Christian Frings
- Department of Psychology, University of Trier, Universitätsring 15, DE-54296, Trier, Germany
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Oddball onset timing: Little evidence of early gating of oddball stimuli from tapping, reacting, and producing. Atten Percept Psychophys 2021; 83:2291-2302. [PMID: 33723728 PMCID: PMC7959674 DOI: 10.3758/s13414-021-02257-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/21/2021] [Indexed: 11/22/2022]
Abstract
Oddballs, rare or novel stimuli, appear to last longer than non-oddballs. This illusion is often attributed to the perceived time that an oddball occupies being longer than that of a non-oddball. However, it is also possible that oddball stimuli are perceived to onset earlier than non-oddballs; they are “gated” earlier in time and thus the perceived duration of those stimuli are longer. In the current article, we directly investigate this proposal by asking participants to react to, produce durations initiated with, and tap along to either oddball or standard stimuli. Tapping provided some support for earlier perceived onset of an oddball in the visual modality. However, both reaction time and duration production experiments provided evidence against an oddball being gated earlier than a standard stimulus. Contrarily, these experiments showed an oddball resulted in longer reaction times and productions, respectively. Taken together, these three experiments indicate it is unlikely that the expansion of time attributed to oddball presentation is purely due to the earlier gating of oddball stimuli. In fact, the first two experiments provide some evidence that the effect of an oddball must compensate for the later gating of these stimuli.
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Decisional carryover effects in interval timing: Evidence of a generalized response bias. Atten Percept Psychophys 2020; 82:2147-2164. [PMID: 31898065 DOI: 10.3758/s13414-019-01922-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Decisional carryover refers to the tendency to report a current stimulus as being similar to a prior stimulus. In this article, we assess decisional carryover in the context of temporal judgments. Participants performed a temporal bisection task wherein a probe between a long and short reference duration (Experiment 1) was presented on every trial. In Experiment 2, every other trial presented a duration the same as the short or long reference duration. In Experiment 3, we concurrently varied both the size and duration of stimuli. Experiment 1 demonstrated the typical decisional carryover effect in which the current response was assimilated towards the prior response. In Experiment 2, this was not the case. Conversely, in Experiment 2, we demonstrated decisional carryover from the prior probe decision to the reference duration trials, a judgment which should have been relatively easy. In Experiment 3, we found carryover in the judgment of both size and duration, and a tendency towards decisional carryover having a larger effect size when participants were making size judgments. Together, our findings indicate that decisional carryover in duration judgments occur given relatively response-certain trials and that this effect appears to be similar in both size and duration judgments. This suggest that decisional carryover is indeed decisional in nature, rather than due to assimilative effects in perception, and that the difficulty of judging the previous test stimuli may play a role in whether assimilation occurs in the following trial when judging duration.
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Wehrman JJ, Kaplan DM, Sowman PF. Local context effects in the magnitude-duration illusion: Size but not numerical value sequentially alters perceived duration. Acta Psychol (Amst) 2020; 204:103016. [PMID: 32000063 DOI: 10.1016/j.actpsy.2020.103016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 01/18/2020] [Accepted: 01/19/2020] [Indexed: 12/15/2022] Open
Abstract
Many aspects of an event can change perceived duration. A common example of this is the magnitude-duration illusion, in which a high magnitude (e.g. large or high value) stimulus will be perceived to last longer than a low magnitude stimulus. The effects of magnitude on perceived duration are normally considered in terms of global context effects; what is large depends on the stimuli used throughout the experiment. In the current article, we examine local context effects in the magnitude-duration illusion, how trial-by-trial changes in magnitude affect the subjective duration of an event. We performed two experiments in which numerical magnitude and stimulus size were varied within either the example phase or reproduction phase of a temporal reproduction task. We showed that in the current trial the combined value-size magnitude presented in the example phase affected subsequent reproductions, while the magnitude presented in the reproduction phase did not. The size magnitude presented in the reproduction phase also affected the reproduction in the following trial, such that a larger stimulus in the current reproduction phase resulted in shorter reproductions in the next reproduction phase. This indicates that low level stimulus properties (i.e. size) can act to contextualize subsequent stimulus properties, which in turn affect perceived duration. The findings of our experiments add local, low-level, context effects to the known modifiers of perceived duration, as well as provide evidence with regards to the role of magnitude in interval timing.
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Wehrman J, Sowman P. Associative learning of response inhibition affects perceived duration in a subsequent temporal bisection task. Acta Psychol (Amst) 2019; 201:102952. [PMID: 31733436 DOI: 10.1016/j.actpsy.2019.102952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 09/22/2019] [Accepted: 10/31/2019] [Indexed: 10/25/2022] Open
Abstract
Interval timing, the ability to discern the duration of an event, is integral to appropriately navigating the world, from crossing the road to catching a ball. Several features of an event can affect its perceived duration, for example it has previously been shown that a large stimulus is perceived to last longer than a small stimulus. In the current article, participants performed either a Go/No-Go or variable foreperiod task prior to performing a temporal bisection task. In both the Go/No-Go and variable foreperiod tasks, participants learned an association between a particular response and a particular stimulus. Subsequently, the perceived duration of these stimuli was tested in a temporal bisection task. Our findings indicated that associating a stimulus with response inhibition (i.e. a No-Go stimulus) decreased perceived duration compared to a stimulus associated with a response (a Go stimulus). Associating a stimulus with either a short or long foreperiod, on the other hand, did not affect perceived duration. We relate this finding back to the coding efficiency theory and the processing principle. A No-Go stimulus requires more cognitive processing than a Go stimulus and would thus be predicted to increase, rather than decrease, perceived duration in both these time perception theories. Finally, we suggest how our findings might be used in future investigations of interval timing.
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