1
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Fabbri M, Pizzini B, Beracci A, Martoni M. Time consciousness: Silence, mindfulness, and subjective time perception. PROGRESS IN BRAIN RESEARCH 2024; 287:191-215. [PMID: 39097353 DOI: 10.1016/bs.pbr.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2024]
Abstract
Although recent theories of consciousness have emerged to define what consciousness is, an under-represented aspect within this field remains: time consciousness. However, the subjective passage of time is modulated by changing experiences within different situational contexts and by self-awareness. The experience of silence influences our awareness of self, space, and time, and it impacts on psychological well-being. The present review describes how self and time are influenced by different situations of silence (pure silence indoors and outdoors, the "just thinking" situation, and the combination of silence with deep relaxation). Also, the changes in time experience during a "forced" waiting situation due to the COVID-19 lockdown are presented in order to highlight the role of boredom in waiting situations and in situations in which we are alone with "our thoughts." Finally, in the context of the importance of creating silence through meditation practices, the alterations to one's sense of self and time during mindfulness meditation are reviewed. These studies are discussed within the framework of the cognitive models of prospective time perception, such as the attentional-gate model and the model of self-regulation and self-awareness.
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Affiliation(s)
- Marco Fabbri
- Department of Psychology, University of Campania Luigi Vanvitelli, Caserta, Italy.
| | | | - Alessia Beracci
- Department of Psychology Renzo Canestrari, University of Bologna, Bologna, Italy.
| | - Monica Martoni
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
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2
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Mokhtarinejad E, Tavakoli M, Ghaderi AH. Exploring the correlation and causation between alpha oscillations and one-second time perception through EEG and tACS. Sci Rep 2024; 14:8035. [PMID: 38580671 PMCID: PMC10997657 DOI: 10.1038/s41598-024-57715-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 03/21/2024] [Indexed: 04/07/2024] Open
Abstract
Alpha oscillations have been implicated in time perception, yet a consensus on their precise role remains elusive. This study directly investigates this relationship by examining the impact of alpha oscillations on time perception. Resting-state EEG recordings were used to extract peak alpha frequency (PAF) and peak alpha power (PAP) characteristics. Participants then performed a time generalization task under transcranial alternating current stimulation (tACS) at frequencies of PAF-2, PAF, and PAF+2, as well as a sham condition. Results revealed a significant correlation between PAP and accuracy, and between PAF and precision of one-second time perception in the sham condition. This suggests that alpha oscillations may influence one-second time perception by modulating their frequency and power. Interestingly, these correlations weakened with real tACS stimulations, particularly at higher frequencies. A second analysis aimed to establish a causal relationship between alpha peak modulation by tACS and time perception using repeated measures ANOVAs, but no significant effect was observed. Results were interpreted according to the state-dependent networks and internal clock model.
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Affiliation(s)
- Ehsan Mokhtarinejad
- Department of Psychology, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran
| | - Mahgol Tavakoli
- Department of Psychology, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran.
| | - Amir Hossein Ghaderi
- Department of Psychology, Faculty of Education and Psychology, University of Isfahan, Isfahan, Iran
- Center for Affective Neuroscience, Development, Learning and Education, University of Southern California (USC), Los Angeles, USA
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3
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Liu Y, Yin H, Liu X, Zhang L, Wu D, Shi Y, Chen Y, Zhou X. Alcohol use disorder and time perception: The mediating role of attention and working memory. Addict Biol 2024; 29:e13367. [PMID: 38380757 PMCID: PMC10898827 DOI: 10.1111/adb.13367] [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: 05/30/2023] [Revised: 09/15/2023] [Accepted: 11/28/2023] [Indexed: 02/22/2024]
Abstract
Alcohol use disorder (AUD) has been associated with attentional deficits and impairments of working memory. Meanwhile, attention and working memory are critical for time perception. However, it remains unclear how time perception alters in AUD patients and how attention and working memory affect their time perception. The current study aims to clarify the time perception characteristics of AUD patients and the cognitive mechanisms underlying their time perception dysfunction. Thirty-one patients (three of them were excluded) with AUD and thirty-one matched controls completed the Time Bisection Task, Attention Network Test and Digital Span Backward Test to assess their abilities in time perception, attention network and working memory, respectively. The results showed that, after controlling for anxiety, depression, and impulsivity, AUD patients had a lower proportion of 'long' responses at intervals of 600, 750, 900, 1050 and 1200 ms. Furthermore, they displayed higher subjective equivalence points and higher Weber ratios compared to controls. Moreover, AUD patients showed impaired alerting and executive control networks as well as reduced working memory resources. Only working memory resources mediated the impact of AUD on time perception. In conclusion, our findings suggested that the duration underestimation in AUD patients is predominantly caused by working memory deficits.
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Affiliation(s)
- Yunpeng Liu
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Huazhan Yin
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Xiaoyi Liu
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Li Zhang
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Dehua Wu
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Yan Shi
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Yang Chen
- Department of Psychology, School of Education ScienceHunan Normal UniversityChangshaChina
- Cognition and Human Behavior Key Laboratory of Hunan ProvinceHunan Normal UniversityChangshaChina
| | - Xuhui Zhou
- Department of Addiction Medicine, Hunan Institute of Mental HealthBrain Hospital of Hunan Province (The Second People's Hospital of Hunan Province)ChangshaChina
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4
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Nicolaï C, Chaumon M, van Wassenhove V. Cognitive effects on experienced duration and speed of time, prospectively, retrospectively, in and out of lockdown. Sci Rep 2024; 14:2006. [PMID: 38263171 PMCID: PMC10805715 DOI: 10.1038/s41598-023-50752-7] [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: 04/17/2023] [Accepted: 12/24/2023] [Indexed: 01/25/2024] Open
Abstract
Psychological time is influenced by multiple factors such as arousal, emotion, attention and memory. While laboratory observations are well documented, it remains unclear whether cognitive effects on time perception replicate in real-life settings. This study exploits a set of data collected online during the Covid-19 pandemic, where participants completed a verbal working memory (WM) task in which their cognitive load was manipulated using a parametric n-back (1-back, 3-back). At the end of every WM trial, participants estimated the duration of that trial and rated the speed at which they perceived time was passing. In this within-participant design, we initially tested whether the amount of information stored in WM affected time perception in opposite directions depending on whether duration was estimated prospectively (i.e., when participants attend to time) or retrospectively (i.e., when participants do not attend to time). Second, we tested the same working hypothesis for the felt passage of time, which may capture a distinct phenomenology. Third, we examined the link between duration and speed of time, and found that short durations tended to be perceived as fast. Last, we contrasted two groups of individuals tested in and out of lockdown to evaluate the impact of social isolation. We show that duration and speed estimations were differentially affected by social isolation. We discuss and conclude on the influence of cognitive load on various experiences of time.
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Affiliation(s)
- Cyril Nicolaï
- NeuroSpin, Cognitive Neuroimaging Unit, CEA, INSERM, Université Paris-Saclay, 91191, Gif/Yvette, France.
- École Normale Supérieure, PSL, 75005, Paris, France.
| | - Maximilien Chaumon
- Institut du Cerveau, ICM, INSERM, CNRS, Sorbonne Université, APHP, CENIR, 75013, Paris, France
| | - Virginie van Wassenhove
- NeuroSpin, Cognitive Neuroimaging Unit, CEA, INSERM, Université Paris-Saclay, 91191, Gif/Yvette, France.
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5
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Nobre AC, van Ede F. Attention in flux. Neuron 2023; 111:971-986. [PMID: 37023719 DOI: 10.1016/j.neuron.2023.02.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 04/08/2023]
Abstract
Selective attention comprises essential infrastructural functions supporting cognition-anticipating, prioritizing, selecting, routing, integrating, and preparing signals to guide adaptive behavior. Most studies have examined its consequences, systems, and mechanisms in a static way, but attention is at the confluence of multiple sources of flux. The world advances, we operate within it, our minds change, and all resulting signals progress through multiple pathways within the dynamic networks of our brains. Our aim in this review is to raise awareness of and interest in three important facets of how timing impacts our understanding of attention. These include the challenges posed to attention by the timing of neural processing and psychological functions, the opportunities conferred to attention by various temporal structures in the environment, and how tracking the time courses of neural and behavioral modulations with continuous measures yields surprising insights into the workings and principles of attention.
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Affiliation(s)
- Anna C Nobre
- Department of Experimental Psychology, University of Oxford, Oxford OX2 6GG, UK; Oxford Centre for Human Brain Activity, Wellcome Centre for Integrative Neuroimaging, Department of Psychiatry, University of Oxford, Oxford OX3 7JX, UK.
| | - Freek van Ede
- Institute for Brain and Behavior Amsterdam, Department of Experimental and Applied Psychology, Vrije Universiteit Amsterdam, Amsterdam 1081BT, the Netherlands.
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6
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Yao F, Zhou B, Zhuang Y, Wang X. Immediate Temporal Information Modulates the Target Identification in the Attentional Blink. Brain Sci 2022; 12:brainsci12020278. [PMID: 35204041 PMCID: PMC8870607 DOI: 10.3390/brainsci12020278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 11/23/2022] Open
Abstract
It has been shown that learned temporal information can be exploited to help facilitate the target identification in the attentional blink task. Here, we tested whether similar exploitation also worked on short-term temporal information, even when it did not reliably predict the target onset. In two experiments, we randomly manipulated either the interval between targets (T1 and T2; Experiment 1) or the temporal regularity of stimulus presentation (Experiment 2) in each trial. The results revealed evidence of effects of immediate temporal experience mainly on T2 performances but also occasionally on T1 performances. In general, the accuracy of T2 was enhanced when a longer inter-target interval was explicitly processed in the preceding trial (Experiment 1) or the temporal regularity, regardless of being explicitly or implicitly processed, was present in the stimulus stream, especially after T1 (Experiment 2). These results suggest that, under high temporal uncertainty, both interval and rhythmic cues can still be exploited to regulate the allocation of processing resources, thus, modulating the target identification in the attentional blink task, consistent with the view of flexible attentional allocation, and further highlighting the importance of the interplay between temporal processing and attentional control in the conscious visual perception.
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Affiliation(s)
- Fangshu Yao
- School of Psychology, Shanghai University of Sport, Shanghai 200438, China; (F.Y.); (Y.Z.)
| | - Bin Zhou
- State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
- Correspondence: (B.Z.); (X.W.)
| | - Yiyun Zhuang
- School of Psychology, Shanghai University of Sport, Shanghai 200438, China; (F.Y.); (Y.Z.)
| | - Xiaochun Wang
- School of Psychology, Shanghai University of Sport, Shanghai 200438, China; (F.Y.); (Y.Z.)
- Correspondence: (B.Z.); (X.W.)
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7
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Kinzuka Y, Sato F, Minami T, Nakauchi S. Effect of glare illusion-induced perceptual brightness on temporal perception. Psychophysiology 2021; 58:e13851. [PMID: 34036604 PMCID: PMC8459261 DOI: 10.1111/psyp.13851] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/30/2021] [Accepted: 05/03/2021] [Indexed: 11/30/2022]
Abstract
Temporal perception and the ability to precisely ascertain time duration are central to essentially all behaviors. Since stimulus magnitude is assumed to be positively related to the perceived duration from the early days of experimental psychology, most studies so far have assessed this effect by presenting stimuli with relatively different intensities in physical quantity. However, it remains unclear how perceptual magnitude itself directly affects temporal perception. In this study (n = 21, n = 20), we conducted a two‐interval duration‐discrimination task adapting a glare illusion (a visual illusion that enhances perceived brightness without changing physical luminance) to investigate whether the temporal perception is also influenced by perceptual magnitude. Based on the mean difference in the point of subjective equality derived from a psychometric function and pupil diameter, we found that temporal perception is influenced by the illusory brightness of glare stimuli. Interestingly, the perceived duration of the apparently brighter stimuli (glare stimuli; larger pupillary light reflex) was shorter than that of control stimuli (halo stimuli; smaller pupillary light reflex) despite the stimuli remaining physically equiluminant, in contrast with the well‐known "magnitude effect." Furthermore, this temporal modulation did not occur when the physical luminance of the stimuli was manipulated to match the illusory‐induced magnitude. These results indicate that temporal processing depends on the confluence of both external and perceived subjective magnitude and even illusory brightness is sufficient to affect the sense of duration; which may be explained by the internal magnitude decrease of the glare stimuli due to pupillary constriction decreasing the light entering the eye. Our findings suggest a new viewpoint on the positive relationship between temporal perception and stimulus magnitude, in demonstrating that temporal processing depends on the confluence of both external and perceived internal magnitude. We provide evidence that illusory brightness induced by the glare‐illusion also influences the perceived duration which may be explained by the size of the pupil.
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Affiliation(s)
- Yuya Kinzuka
- Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Japan
| | - Fumiaki Sato
- Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Japan
| | - Tetsuto Minami
- Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Japan.,Electronics-Inspired Interdisciplinary Research Institute, Toyohashi University of Technology, Toyohashi, Japan
| | - Shigeki Nakauchi
- Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Japan
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8
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Garcés MS, Alústiza I, Albajes-Eizagirre A, Goena J, Molero P, Radua J, Ortuño F. An fMRI Study Using a Combined Task of Interval Discrimination and Oddball Could Reveal Common Brain Circuits of Cognitive Change. Front Psychiatry 2021; 12:786113. [PMID: 34987432 PMCID: PMC8721204 DOI: 10.3389/fpsyt.2021.786113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/02/2021] [Indexed: 12/04/2022] Open
Abstract
Recent functional neuroimaging studies suggest that the brain networks responsible for time processing are involved during other cognitive processes, leading to a hypothesis that time-related processing is needed to perform a range of tasks across various cognitive functions. To examine this hypothesis, we analyze whether, in healthy subjects, the brain structures activated or deactivated during performance of timing and oddball-detection type tasks coincide. To this end, we conducted two independent signed differential mapping (SDM) meta-analyses of functional magnetic resonance imaging (fMRI) studies assessing the cerebral generators of the responses elicited by tasks based on timing and oddball-detection paradigms. Finally, we undertook a multimodal meta-analysis to detect brain regions common to the findings of the two previous meta-analyses. We found that healthy subjects showed significant activation in cortical areas related to timing and salience networks. The patterns of activation and deactivation corresponding to each task type partially coincided. We hypothesize that there exists a time and change-detection network that serves as a common underlying resource used in a broad range of cognitive processes.
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Affiliation(s)
- María Sol Garcés
- Department of Psychiatry and Clinical Psychology, Clínica Universidad de Navarra, Pamplona, Spain.,Colegio de Ciencias Sociales y Humanidades, Universidad San Francisco de Quito USFQ, Quito, Ecuador.,Instituto de Neurociencias, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Irene Alústiza
- Department of Psychiatry and Clinical Psychology, Clínica Universidad de Navarra, Pamplona, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - Anton Albajes-Eizagirre
- Imaging of Mood and Anxiety Related Disorders (IMARD) Group, d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), CIBERSAM ES, Barcelona, Spain
| | - Javier Goena
- Instituto de Neurociencias, Universidad San Francisco de Quito USFQ, Quito, Ecuador.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - Patricio Molero
- Department of Psychiatry and Clinical Psychology, Clínica Universidad de Navarra, Pamplona, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
| | - Joaquim Radua
- Imaging of Mood and Anxiety Related Disorders (IMARD) Group, d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), CIBERSAM ES, Barcelona, Spain.,Early Psychosis: Interventions and Clinical-Detection (EPIC) Lab, Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.,Department of Clinical Neuroscience, Centre for Psychiatric Research and Education, Karolinska Institutet SE, Solna, Sweden
| | - Felipe Ortuño
- Department of Psychiatry and Clinical Psychology, Clínica Universidad de Navarra, Pamplona, Spain.,Instituto de Investigación Sanitaria de Navarra (IDISNA), Pamplona, Spain
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9
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Mioni G, Grondin S, Bardi L, Stablum F. Understanding time perception through non-invasive brain stimulation techniques: A review of studies. Behav Brain Res 2020; 377:112232. [DOI: 10.1016/j.bbr.2019.112232] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 09/06/2019] [Accepted: 09/11/2019] [Indexed: 01/08/2023]
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10
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Todorovic A, Auksztulewicz R. Dissociable neural effects of temporal expectations due to passage of time and contextual probability. Hear Res 2019; 399:107871. [PMID: 31987646 DOI: 10.1016/j.heares.2019.107871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 11/22/2019] [Accepted: 12/09/2019] [Indexed: 10/25/2022]
Abstract
The human brain is equipped with complex mechanisms to track the changing probability of events in time. While the passage of time itself usually leads to a mounting expectation, context can provide additional information about when events are likely to happen. In this study we dissociate these two sources of temporal expectation in terms of their neural correlates and underlying brain connectivity patterns. We analysed magnetoencephalographic (MEG) data acquired from N = 24 healthy participants listening to auditory stimuli. These stimuli could be presented at different temporal intervals but occurred most often at intermediate intervals, forming a contextual probability distribution. Evoked MEG response amplitude was sensitive to both passage of time (time elapsed since the cue) and contextual probability, albeit at different latencies: the effects of passage of time were observed earlier than the effects of context. The underlying sources of MEG activity were also different across the two types of temporal prediction: the effects of passage of time were localised to early auditory regions and superior temporal gyri, while context was additionally linked to activity in inferior parietal cortices. Finally, these differences were modelled using biophysical (dynamic causal) modelling: passage of time was explained in terms of widespread gain modulation and decreased prediction error signalling at lower levels of the hierarchy, while contextual expectation led to more localised gain modulation and decreased prediction error signalling at higher levels of the hierarchy. These results present a comprehensive account of how independent sources of temporal prediction may be differentially expressed in cortical circuits.
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Affiliation(s)
- Ana Todorovic
- Oxford Centre for Human Brain Activity, University of Oxford, Oxford, UK; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands; Department of Experimental Psychology, University of Oxford, Oxford, UK.
| | - Ryszard Auksztulewicz
- Oxford Centre for Human Brain Activity, University of Oxford, Oxford, UK; Max Planck Institute for Empirical Aesthetics, Frankfurt Am Main, Germany; Department of Biomedical Sciences, City University of Hong Kong, Hong Kong.
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11
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The "now moment" is believed privileged because "now" is when happening is experienced. Behav Brain Sci 2019; 42:e259. [PMID: 31826790 DOI: 10.1017/s0140525x19000505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Hoerl & McCormack risk misleading people about the cognitive underpinnings of the belief in a privileged "now moment" because they do not explicitly acknowledge that the sense of existing in the now moment is an intrinsically temporally dynamic one. The sense of happening that is exclusive to the now moment is a better candidate for the source of belief in a privileged now.
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12
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Mioni G, Meligrana L, Perini F, Marcon M, Stablum F. Lack of Temporal Impairment in Patients With Mild Cognitive Impairment. Front Integr Neurosci 2019; 13:42. [PMID: 31572135 PMCID: PMC6751304 DOI: 10.3389/fnint.2019.00042] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 08/05/2019] [Indexed: 11/16/2022] Open
Abstract
In the present study, we investigate possible temporal impairment in patients with mild cognitive impairment (MCI) and the amount of temporal distortions caused by the presentation of emotional facial expressions (anger, shame, and neutral) in MCI patients and controls. Twelve older adults with MCI and 14 healthy older adults were enrolled in the present study. All participants underwent a complete neuropsychological evaluation. We used three timing tasks to tap temporal abilities, namely time bisection (standard intervals lasting 400 and 1600 ms), finger-tapping (free and 1 s), and simple reaction-time tasks. The stimuli used in the time bisection task were facial emotional stimuli expressing anger or shame to investigate a possible contribution of emotional information as previously observed in healthy adults. MCI patients showed temporal abilities comparable to controls. We observed an effect of facial emotional stimuli on time perception when data were analyzed in terms of proportion of long responses, and this result was mainly driven by the temporal overestimation when a facial expression of anger was presented in controls. Results seem to suggest that the severity of the cognitive dysfunction accounts more for subjective temporal impairment than a compromised internal clock.
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Affiliation(s)
- Giovanna Mioni
- Dipartimento di Psicologia Generale, Università di Padova, Padua, Italy
| | - Lucia Meligrana
- U.O. Neurologia e Geriatria Ospedale San Bortolo, Vicenza, Italy
| | - Francesco Perini
- U.O. Neurologia e Geriatria Ospedale San Bortolo, Vicenza, Italy
| | - Michela Marcon
- U.O. Neurologia e Geriatria Ospedale San Bortolo, Vicenza, Italy
| | - Franca Stablum
- Dipartimento di Psicologia Generale, Università di Padova, Padua, Italy
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13
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Piper MS. Neurodynamics of time consciousness: An extensionalist explanation of apparent motion and the specious present via reentrant oscillatory multiplexing. Conscious Cogn 2019; 73:102751. [DOI: 10.1016/j.concog.2019.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 10/26/2022]
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14
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Jura B. A Mechanism of Synaptic Clock Underlying Subjective Time Perception. Front Neurosci 2019; 13:716. [PMID: 31354421 PMCID: PMC6633209 DOI: 10.3389/fnins.2019.00716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 06/25/2019] [Indexed: 11/13/2022] Open
Abstract
Temporal resolution of visual information processing is thought to be an important factor in predator-prey interactions, shaped in the course of evolution by animals' particular ecology. Here I show that light can be considered to have a dual role of a source of information, which guides motor actions, and an environmental feedback for those actions. I consequently show how temporal perception might depend on feedback-based behavioral adaptations realized in the nervous system through activity-dependent synaptic plasticity. I propose an underlying mechanism of synaptic clock, with every synapse having its characteristic time unit, determined by the persistence of memory traces of synaptic inputs, which is used by the synapse to tell time, and postulate the existence of a specific brain-wide distribution of synaptic clocks with different time units. The present theory offers a simple, testable link between the fields of neurobiology of memory, time perception and ecology, which may account for numerous experimental findings, including the interspecies variation in the temporal resolution and the properties of subjective time perception in humans, specifically the variable speed of perceived time passage, depending on emotional or attentional states or tasks performed.
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Affiliation(s)
- Bartosz Jura
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
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15
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Symbolism overshadows the effect of physical size in supra-second temporal illusions. Atten Percept Psychophys 2019; 81:2902-2916. [DOI: 10.3758/s13414-019-01748-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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16
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Caligiore D, Arbib MA, Miall RC, Baldassarre G. The super-learning hypothesis: Integrating learning processes across cortex, cerebellum and basal ganglia. Neurosci Biobehav Rev 2019; 100:19-34. [DOI: 10.1016/j.neubiorev.2019.02.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 02/11/2019] [Accepted: 02/15/2019] [Indexed: 01/14/2023]
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17
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Temporal signals underlying a cognitive process in the dorsal premotor cortex. Proc Natl Acad Sci U S A 2019; 116:7523-7532. [PMID: 30918128 DOI: 10.1073/pnas.1820474116] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
During discrimination between two sequential vibrotactile stimulus patterns, the primate dorsal premotor cortex (DPC) neurons exhibit a complex repertoire of coding dynamics associated with the working memory, comparison, and decision components of this task. In addition, these neurons and neurons with no coding responses show complex strong fluctuations in their firing rate associated with the temporal sequence of task events. Here, to make sense of this temporal complexity, we extracted the temporal signals that were latent in the population. We found a strong link between the individual and population response, suggesting a common neural substrate. Notably, in contrast to coding dynamics, these time-dependent responses were unaffected during error trials. However, in a nondemanding task in which monkeys did not require discrimination for reward, these time-dependent signals were largely reduced and changed. These results suggest that temporal dynamics in DPC reflect the underlying cognitive processes of this task.
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18
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Marković D, Reiter AMF, Kiebel SJ. Predicting change: Approximate inference under explicit representation of temporal structure in changing environments. PLoS Comput Biol 2019; 15:e1006707. [PMID: 30703108 PMCID: PMC6372216 DOI: 10.1371/journal.pcbi.1006707] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 02/12/2019] [Accepted: 12/11/2018] [Indexed: 11/18/2022] Open
Abstract
In our daily lives timing of our actions plays an essential role when we navigate the complex everyday environment. It is an open question though how the representations of the temporal structure of the world influence our behavior. Here we propose a probabilistic model with an explicit representation of state durations which may provide novel insights in how the brain predicts upcoming changes. We illustrate several properties of the behavioral model using a standard reversal learning design and compare its task performance to standard reinforcement learning models. Furthermore, using experimental data, we demonstrate how the model can be applied to identify participants' beliefs about the latent temporal task structure. We found that roughly one quarter of participants seem to have learned the latent temporal structure and used it to anticipate changes, whereas the remaining participants' behavior did not show signs of anticipatory responses, suggesting a lack of precise temporal expectations. We expect that the introduced behavioral model will allow, in future studies, for a systematic investigation of how participants learn the underlying temporal structure of task environments and how these representations shape behavior.
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Affiliation(s)
- Dimitrije Marković
- Department of Psychology, Technische Universität Dresden, Dresden, Germany
| | | | - Stefan J. Kiebel
- Department of Psychology, Technische Universität Dresden, Dresden, Germany
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19
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Abstract
Prominent models of time perception assume a reset of the timing mechanism with an explicit onset of the interval to be timed. Here we investigated the accuracy and precision of temporal estimations when the duration does not have such an explicit onset. Participants were tracking a disc moving on a circular path with varying speeds, and estimated the duration of one full revolution before the stimulus stopped. The onset of that revolution was either cued (explicit), or undetermined until the stimulus stopped (implicit). Reproduced duration was overestimated for short and underestimated for long durations, and variability of the estimates scaled with the duration in both temporal conditions. However, the bias was more pronounced in the implicit condition. In addition, if the stimulus path was partially occluded, duration of the occluded motion was correctly estimated. In a second experiment, we compared the precision in the explicit and implicit conditions by asking participants to discriminate the duration of one revolution before the stimulus stopped to that of a static stimulus presentation in a forced-choice task. Sensitivity of discrimination was worse in the implicit onset condition, but surprisingly, still comparable to the explicit condition. In summary, the estimates follow principles described in prospective timing paradigms, although not knowing beforehand when to start timing decreases sensitivity of temporal estimations. Since in naturalistic contexts, we often do not know in advance which durations might be relevant to estimate, the simple task presented here could become a valuable tool for testing models of temporal estimation.
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Affiliation(s)
- Ljubica Jovanovic
- Laboratoire des Systèmes Perceptifs, Département d'études cognitives, École Normale Supérieure, PSL Research University, CNRS, Paris, France
| | - Pascal Mamassian
- Laboratoire des Systèmes Perceptifs, Département d'études cognitives, École Normale Supérieure, PSL Research University, CNRS, Paris, France
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20
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Isaksson S, Salomäki S, Tuominen J, Arstila V, Falter-Wagner CM, Noreika V. Is there a generalized timing impairment in Autism Spectrum Disorders across time scales and paradigms? J Psychiatr Res 2018; 99:111-121. [PMID: 29438910 DOI: 10.1016/j.jpsychires.2018.01.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 12/10/2017] [Accepted: 01/31/2018] [Indexed: 10/18/2022]
Abstract
Individuals with ASD have abnormal motor and perceptual functions that do not currently form diagnostic criteria of ASD, but nevertheless may affect everyday behaviour. Temporal processing seems to be one of such non-diagnostic yet impaired domains, although the lack of systematic studies testing different aspects of timing in the same sample of participants prevents a conclusive assessment of whether there is a generalized temporal deficit in ASD associated with diagnostic symptoms. 17 children diagnosed with ASD and 18 typically developing age- and IQ-matched controls carried out a set of motor and perceptual timing tasks: free tapping, simultaneity judgment, auditory duration discrimination, and verbal duration estimation. Parents of participants filled in a questionnaire assessing the sense and management of time. Children with ASD showed faster and more variable free tapping than controls. Auditory duration discrimination thresholds were higher in the ASD group than controls in a sub-second version of the task, while there were no group differences in a supra-second discrimination of intervals. Children with ASD showed more variable thresholds of simultaneity judgment, and they received lower parental scores for their sense and management of time. No group differences were observed in the verbal duration estimation task in the minute-range. Different timing functions were correlated in the ASD group but not among controls, whilst several timing measures correlated with ASD symptoms. We conclude that children with ASD show a broad range of abnormalities in temporal processing tasks including motor timing, perceptual timing, and temporal perspective.
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Affiliation(s)
- Sofia Isaksson
- Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland
| | - Susanna Salomäki
- Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland
| | - Jarno Tuominen
- Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland; Turku Brain and Mind Center, University of Turku, Turku, Finland
| | - Valtteri Arstila
- Department of Philosophy, University of Turku, Turku, Finland; Turku Institute for Advanced Studies, University of Turku, Turku, Finland
| | - Christine M Falter-Wagner
- Department of Psychiatry, Medical Faculty, LMU Munich, Munich, Germany; Institute of Medical Psychology, Medical Faculty, LMU Munich, Munich, Germany; Department of Psychology, University of Cologne, Cologne, Germany
| | - Valdas Noreika
- Department of Psychology, University of Cambridge, Cambridge, UK; Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland.
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22
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Interactive roles of the cerebellum and striatum in sub-second and supra-second timing: Support for an initiation, continuation, adjustment, and termination (ICAT) model of temporal processing. Neurosci Biobehav Rev 2016; 71:739-755. [PMID: 27773690 DOI: 10.1016/j.neubiorev.2016.10.015] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 10/06/2016] [Accepted: 10/19/2016] [Indexed: 12/29/2022]
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23
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The Neurobiology of Time Processing. Neural Plast 2016; 2016:1706373. [PMID: 27340570 PMCID: PMC4908260 DOI: 10.1155/2016/1706373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 05/05/2016] [Indexed: 11/17/2022] Open
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Kulashekhar S, Pekkola J, Palva JM, Palva S. The role of cortical beta oscillations in time estimation. Hum Brain Mapp 2016; 37:3262-81. [PMID: 27168123 DOI: 10.1002/hbm.23239] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 03/24/2016] [Accepted: 04/19/2016] [Indexed: 11/06/2022] Open
Abstract
Estimation of time is central to perception, action, and cognition. Human functional magnetic resonance imaging (fMRI) and positron emission topography (PET) have revealed a positive correlation between the estimation of multi-second temporal durations and neuronal activity in a circuit of sensory and motor areas, prefrontal and temporal cortices, basal ganglia, and cerebellum. The systems-level mechanisms coordinating the collective neuronal activity in these areas have remained poorly understood. Synchronized oscillations regulate communication in neuronal networks and could hence serve such coordination, but their role in the estimation and maintenance of multi-second time intervals has remained largely unknown. We used source-reconstructed magnetoencephalography (MEG) to address the functional significance of local neuronal synchronization, as indexed by the amplitudes of cortical oscillations, in time-estimation. MEG was acquired during a working memory (WM) task where the subjects first estimated and then memorized the durations, or in the contrast condition, the colors of dynamic visual stimuli. Time estimation was associated with stronger beta (β, 14 - 30 Hz) band oscillations than color estimation in sensory regions and attentional cortical structures that earlier have been associated with time processing. In addition, the encoding of duration information was associated with strengthened gamma- (γ, 30 - 120 Hz), and the retrieval and maintenance with alpha- (α, 8 - 14 Hz) band oscillations. These data suggest that β oscillations may provide a mechanism for estimating short temporal durations, while γ and α oscillations support their encoding, retrieval, and maintenance in memory. Hum Brain Mapp 37:3262-3281, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Shrikanth Kulashekhar
- Neuroscience Center, University of Helsinki, Helsinki, Finland.,BioMag Laboratory, HUS Medical Imaging Center, Helsinki University Central Hospital, Helsinki, Finland
| | - Johanna Pekkola
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | | | - Satu Palva
- Neuroscience Center, University of Helsinki, Helsinki, Finland
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Cheng RK, Tipples J, Narayanan NS, Meck WH. Clock Speed as a Window into Dopaminergic Control of Emotion and Time Perception. TIMING & TIME PERCEPTION 2016. [DOI: 10.1163/22134468-00002064] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Although fear-producing treatments (e.g., electric shock) and pleasure-inducing treatments (e.g., methamphetamine) have different emotional valences, they both produce physiological arousal and lead to effects on timing and time perception that have been interpreted as reflecting an increase in speed of an internal clock. In this commentary, we review the results reported by Fayolle et al. (2015):Behav. Process., 120, 135–140) and Meck (1983: J. Exp. Psychol. Anim. Behav. Process., 9, 171–201) using electric shock and by Maricq et al. (1981: J. Exp. Psychol. Anim. Behav. Process., 7, 18–30) using methamphetamine in a duration-bisection procedure across multiple duration ranges. The psychometric functions obtained from this procedure relate the proportion ‘long’ responses to signal durations spaced between a pair of ‘short’ and ‘long’ anchor durations. Horizontal shifts in these functions can be described in terms of attention or arousal processes depending upon whether they are a fixed number of seconds independent of the timed durations (additive) or proportional to the durations being timed (multiplicative). Multiplicative effects are thought to result from a change in clock speed that is regulated by dopamine activity in the medial prefrontal cortex. These dopaminergic effects are discussed within the context of the striatal beat frequency model of interval timing (Matell & Meck, 2004:Cogn. Brain Res.,21, 139–170) and clinical implications for the effects of emotional reactivity on temporal cognition (Parker et al., 2013:Front. Integr. Neurosci., 7, 75).
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Abstract
UNLABELLED Time is central to cognition. However, the neural basis for time-dependent cognition remains poorly understood. We explore how the temporal features of neural activity in cortical circuits and their capacity for plasticity can contribute to time-dependent cognition over short time scales. This neural activity is linked to cognition that operates in the present or anticipates events or stimuli in the near future. We focus on deliberation and planning in the context of decision making as a cognitive process that integrates information across time. We progress to consider how temporal expectations of the future modulate perception. We propose that understanding the neural basis for how the brain tells time and operates in time will be necessary to develop general models of cognition. SIGNIFICANCE STATEMENT Time is central to cognition. However, the neural basis for time-dependent cognition remains poorly understood. We explore how the temporal features of neural activity in cortical circuits and their capacity for plasticity can contribute to time-dependent cognition over short time scales. We propose that understanding the neural basis for how the brain tells time and operates in time will be necessary to develop general models of cognition.
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Azevedo RT, Ainley V, Tsakiris M. Cardio-visual integration modulates the subjective perception of affectively neutral stimuli. Int J Psychophysiol 2015; 99:10-7. [PMID: 26620928 DOI: 10.1016/j.ijpsycho.2015.11.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 11/17/2015] [Accepted: 11/21/2015] [Indexed: 10/22/2022]
Abstract
Interoception, which refers to the perception of internal body signals, has been consistently associated with emotional processing and with the sense of self. However, its influence on the subjective appraisal of affectively neutral and body-unrelated stimuli is still largely unknown. Across two experiments we sought to investigate this issue by asking participants to detect changes in the flashing rhythm of a simple stimulus (a circle) that could either be pulsing synchronously with their own heartbeats or following the pattern of another person's heart. While overall task performance did not vary as a function of cardio-visual synchrony, participants were better at identifying trials in which no change occurred when the flashes were synchronous with their own heartbeats. This study adds to the growing body of research indicating that we use our body as a reference point when perceiving the world; and extends this view by focusing on the role that signals coming from inside the body, such as heartbeats, may play in this referencing process. Specifically we show that private interoceptive sensations can be combined with affectively neutral information unrelated to the self to influence the processing of a multisensory percept. Results are discussed in terms of both standard multisensory integration processes and predictive coding theories.
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Affiliation(s)
- Ruben T Azevedo
- Lab of Action & Body, Department of Psychology, Royal Holloway University of London, UK.
| | - Vivien Ainley
- Lab of Action & Body, Department of Psychology, Royal Holloway University of London, UK
| | - Manos Tsakiris
- Lab of Action & Body, Department of Psychology, Royal Holloway University of London, UK
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28
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Martin JR, Kösem A, van Wassenhove V. Hysteresis in audiovisual synchrony perception. PLoS One 2015; 10:e0119365. [PMID: 25774653 PMCID: PMC4361681 DOI: 10.1371/journal.pone.0119365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Accepted: 01/12/2015] [Indexed: 11/25/2022] Open
Abstract
The effect of stimulation history on the perception of a current event can yield two opposite effects, namely: adaptation or hysteresis. The perception of the current event thus goes in the opposite or in the same direction as prior stimulation, respectively. In audiovisual (AV) synchrony perception, adaptation effects have primarily been reported. Here, we tested if perceptual hysteresis could also be observed over adaptation in AV timing perception by varying different experimental conditions. Participants were asked to judge the synchrony of the last (test) stimulus of an AV sequence with either constant or gradually changing AV intervals (constant and dynamic condition, respectively). The onset timing of the test stimulus could be cued or not (prospective vs. retrospective condition, respectively). We observed hysteretic effects for AV synchrony judgments in the retrospective condition that were independent of the constant or dynamic nature of the adapted stimuli; these effects disappeared in the prospective condition. The present findings suggest that knowing when to estimate a stimulus property has a crucial impact on perceptual simultaneity judgments. Our results extend beyond AV timing perception, and have strong implications regarding the comparative study of hysteresis and adaptation phenomena.
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Affiliation(s)
- Jean-Rémy Martin
- Université Paris VI (UPMC), Institut d’Étude de la Cognition (IEC) & Institut Jean-Nicod (IJN, ENS-EHESS-CNRS), Paris, France
- * E-mail:
| | - Anne Kösem
- CEA, DSV/I2BM, NeuroSpin, INSERM, U992, Cognitive Neuroimaging Unit, Univ Paris-Sud, F-Gif/Yvette, France
| | - Virginie van Wassenhove
- CEA, DSV/I2BM, NeuroSpin, INSERM, U992, Cognitive Neuroimaging Unit, Univ Paris-Sud, F-Gif/Yvette, France
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Gu BM, van Rijn H, Meck WH. Oscillatory multiplexing of neural population codes for interval timing and working memory. Neurosci Biobehav Rev 2014; 48:160-85. [PMID: 25454354 DOI: 10.1016/j.neubiorev.2014.10.008] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2014] [Revised: 10/06/2014] [Accepted: 10/10/2014] [Indexed: 01/01/2023]
Abstract
Interval timing and working memory are critical components of cognition that are supported by neural oscillations in prefrontal-striatal-hippocampal circuits. In this review, the properties of interval timing and working memory are explored in terms of behavioral, anatomical, pharmacological, and neurophysiological findings. We then describe the various neurobiological theories that have been developed to explain these cognitive processes - largely independent of each other. Following this, a coupled excitatory - inhibitory oscillation (EIO) model of temporal processing is proposed to address the shared oscillatory properties of interval timing and working memory. Using this integrative approach, we describe a hybrid model explaining how interval timing and working memory can originate from the same oscillatory processes, but differ in terms of which dimension of the neural oscillation is utilized for the extraction of item, temporal order, and duration information. This extension of the striatal beat-frequency (SBF) model of interval timing (Matell and Meck, 2000, 2004) is based on prefrontal-striatal-hippocampal circuit dynamics and has direct relevance to the pathophysiological distortions observed in time perception and working memory in a variety of psychiatric and neurological conditions.
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Affiliation(s)
- Bon-Mi Gu
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Hedderik van Rijn
- Department of Psychology, University of Groningen, Groningen, The Netherlands
| | - Warren H Meck
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
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30
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Affiliation(s)
- Dean Rickles
- Unit for History and Philosophy of Science; University of Sydney; Sydney Australia
| | - Maria Kon
- Unit for History and Philosophy of Science; University of Sydney; Sydney Australia
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