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Qin K, Liu Y, Liu S, Li Y, Li Y, You X. Neural mechanisms for integrating time and visual velocity cues in a prediction motion task: An fNIRS study. Psychophysiology 2024; 61:e14425. [PMID: 37602557 DOI: 10.1111/psyp.14425] [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: 11/20/2022] [Revised: 07/30/2023] [Accepted: 08/02/2023] [Indexed: 08/22/2023]
Abstract
Human beings use accurate estimates of the time-to-collision of moving objects effortlessly in everyday life. In the laboratory, researchers typically apply prediction motion (PM) tasks to investigate motion processing. In the PM tasks, time structure refers to the ratio of travel time between the visible segment (first segment) and occluded segment (second segment). The condition of T = 1.0, which indicates that the time spent moving is the same across the two segments, is called equal time structure. The present study investigated the neural mechanisms of time and visual velocity information in prediction motion using functional near-infrared spectroscopy (fNIRS). Experiment 1 showed that when visual velocity was not available, participants performed better in equal time structure conditions than in unequal time structure conditions. Moreover, the left inferior parietal lobe (IPL) showed higher activation under equal time structure conditions. Experiment 2 showed that participants also performed better in equal time structure conditions when visual velocity was available. Both the left IPL and superior parietal lobe (SPL) exhibited stronger activation under equal time structure conditions in Experiment 2. A comparison between the two experiments showed that participants integrated time structure and visual velocity to estimate arrival time of the moving object. The fNIRS data indicated that the left SPL could be involved in information integration when judging arrival time.
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Affiliation(s)
- Kuiyuan Qin
- School of Public Administration/ School of Emergency Management, Northwest University, Xi'an, China
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
| | - Yu Liu
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
| | - Saifang Liu
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
| | - Ying Li
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
| | - Yuan Li
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
| | - Xuqun You
- School of Psychology, Shaanxi Normal University, Xi'an, China
- Shaanxi Provincial Key Laboratory of Behavior and Cognitive Neuroscience, Shaanxi Normal University, Xi'an, China
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XGBoost-DNN Mixed Model for Predicting Driver’s Estimation on the Relative Motion States during Lane-Changing Decisions: A Real Driving Study on the Highway. SUSTAINABILITY 2022. [DOI: 10.3390/su14116829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This study is conducted on a real live highway to investigate the driver’s performance in estimating the speed and distance of vehicles behind the target lane during lane changes. Data on the participants’ estimated and actual data on the rear car were collected in the experiment. Ridge regression is used to analyze the effects of both the driver’s features, as well as the relative and absolute motion characteristics between the target vehicle and the subject vehicle, on the driver’s estimation outcomes. Finally, a mixed algorithm of extreme gradient boosting (XGBoost) and deep neural network (DNN) was proposed in this paper for establishing driver’s speed estimation and distance prediction models. Compared with other machine learning models, the XGBoost-DNN prediction model performs more accurate prediction performance in both classification scenarios. It is worth mentioning that the XGBoost-DNN mixed model exhibits a prediction accuracy approximately two percentage points higher than that of the XGBoost model. In the two-classification scenarios, the accuracy estimations of XGBoost-DNN speed and distance prediction models are 91.03% and 92.46%, respectively. In the three-classification scenarios, the accuracy estimations of XGBoost-DNN speed and distance prediction models are 87.18% and 87.59%, respectively. This study can provide a theoretical basis for the development of warning rules for lane-change warning systems as well as insights for understanding lane-change decision failures.
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Battaglini L, Ghiani A. Motion behind occluder: Amodal perception and visual motion extrapolation. VISUAL COGNITION 2021. [DOI: 10.1080/13506285.2021.1943094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Luca Battaglini
- Department of General Psychology, University of Padova, Padova, Italy
- Department of Physics and Astronomy “Galileo Galilei”, University of Padova, Padova, Italy
| | - Andrea Ghiani
- Department of General Psychology, University of Padova, Padova, Italy
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Wu F, Fu R, Ma Y, Wang C, Zhang Z. Relationship between speed perception and eye movement-A case study of crash-involved and crash-not-involved drivers in China. PLoS One 2020; 15:e0229650. [PMID: 32160232 PMCID: PMC7065806 DOI: 10.1371/journal.pone.0229650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 02/11/2020] [Indexed: 11/22/2022] Open
Abstract
Speed perception tests are already used in several countries as part of the driver licensing curriculum; however, this test is not compulsively required in China. The purpose of this study was to investigate the relationship between speed perception and eye movement for different driver groups. Forty-eight drivers, including 28 crash-involved (CI), with rear-end or side collisions, and 20 crash-not-involved (CNI) drivers, were recruited for the speed perception experiments. Drivers’ reaction characteristics as well as eye movement data were analyzed. The results showed that CI drivers were more likely to overestimate the speed of visual stimuli and react in advance. The speed perception of CI drivers was more accurate than that of CNI drivers for visual stimuli with middle to high moving speeds, indicating that CNI drivers are more cautious and conservative when driving. Regarding eye movement, significant differences in saccade speed were found between the CI and CNI drivers in the occlusion area under high speed and the occlusion ratio. The relationship between visual pattern and speed perception accuracy was found to some extent. Implications of the speed perception test for the driver aptitude test were discussed.
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Affiliation(s)
- Fuwei Wu
- Key Laboratory of Transportation Industry of Automotive Transportation Safety Enhancement Technology (Chang’an University), Xi'an, China
- School of Automobile, Chang'an University, Xi'an, China
| | - Rui Fu
- Key Laboratory of Transportation Industry of Automotive Transportation Safety Enhancement Technology (Chang’an University), Xi'an, China
- School of Automobile, Chang'an University, Xi'an, China
- * E-mail:
| | - Yong Ma
- School of Automobile, Chang'an University, Xi'an, China
| | - Chang Wang
- Key Laboratory of Transportation Industry of Automotive Transportation Safety Enhancement Technology (Chang’an University), Xi'an, China
- School of Automobile, Chang'an University, Xi'an, China
| | - Zhi Zhang
- School of Automobile, Chang'an University, Xi'an, China
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Bosco G, Monache SD, Gravano S, Indovina I, La Scaleia B, Maffei V, Zago M, Lacquaniti F. Filling gaps in visual motion for target capture. Front Integr Neurosci 2015; 9:13. [PMID: 25755637 PMCID: PMC4337337 DOI: 10.3389/fnint.2015.00013] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 01/30/2015] [Indexed: 11/17/2022] Open
Abstract
A remarkable challenge our brain must face constantly when interacting with the environment is represented by ambiguous and, at times, even missing sensory information. This is particularly compelling for visual information, being the main sensory system we rely upon to gather cues about the external world. It is not uncommon, for example, that objects catching our attention may disappear temporarily from view, occluded by visual obstacles in the foreground. Nevertheless, we are often able to keep our gaze on them throughout the occlusion or even catch them on the fly in the face of the transient lack of visual motion information. This implies that the brain can fill the gaps of missing sensory information by extrapolating the object motion through the occlusion. In recent years, much experimental evidence has been accumulated that both perceptual and motor processes exploit visual motion extrapolation mechanisms. Moreover, neurophysiological and neuroimaging studies have identified brain regions potentially involved in the predictive representation of the occluded target motion. Within this framework, ocular pursuit and manual interceptive behavior have proven to be useful experimental models for investigating visual extrapolation mechanisms. Studies in these fields have pointed out that visual motion extrapolation processes depend on manifold information related to short-term memory representations of the target motion before the occlusion, as well as to longer term representations derived from previous experience with the environment. We will review recent oculomotor and manual interception literature to provide up-to-date views on the neurophysiological underpinnings of visual motion extrapolation.
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Affiliation(s)
- Gianfranco Bosco
- Department of Systems Medicine, University of Rome "Tor Vergata" Rome, Italy ; Centre of Space Bio-medicine, University of Rome "Tor Vergata" Rome, Italy ; Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Sergio Delle Monache
- Department of Systems Medicine, University of Rome "Tor Vergata" Rome, Italy ; Centre of Space Bio-medicine, University of Rome "Tor Vergata" Rome, Italy
| | - Silvio Gravano
- Centre of Space Bio-medicine, University of Rome "Tor Vergata" Rome, Italy ; Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Iole Indovina
- Centre of Space Bio-medicine, University of Rome "Tor Vergata" Rome, Italy ; Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Barbara La Scaleia
- Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Vincenzo Maffei
- Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Myrka Zago
- Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
| | - Francesco Lacquaniti
- Department of Systems Medicine, University of Rome "Tor Vergata" Rome, Italy ; Centre of Space Bio-medicine, University of Rome "Tor Vergata" Rome, Italy ; Laboratory of Neuromotor Physiology, IRCCS Santa Lucia Foundation Rome, Italy
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Deluca C, Golzar A, Santandrea E, Lo Gerfo E, Eštočinová J, Moretto G, Fiaschi A, Panzeri M, Mariotti C, Tinazzi M, Chelazzi L. The cerebellum and visual perceptual learning: evidence from a motion extrapolation task. Cortex 2014; 58:52-71. [PMID: 24959702 DOI: 10.1016/j.cortex.2014.04.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 04/09/2014] [Accepted: 04/26/2014] [Indexed: 01/14/2023]
Abstract
Visual perceptual learning is widely assumed to reflect plastic changes occurring along the cerebro-cortical visual pathways, including at the earliest stages of processing, though increasing evidence indicates that higher-level brain areas are also involved. Here we addressed the possibility that the cerebellum plays an important role in visual perceptual learning. Within the realm of motor control, the cerebellum supports learning of new skills and recalibration of motor commands when movement execution is consistently perturbed (adaptation). Growing evidence indicates that the cerebellum is also involved in cognition and mediates forms of cognitive learning. Therefore, the obvious question arises whether the cerebellum might play a similar role in learning and adaptation within the perceptual domain. We explored a possible deficit in visual perceptual learning (and adaptation) in patients with cerebellar damage using variants of a novel motion extrapolation, psychophysical paradigm. Compared to their age- and gender-matched controls, patients with focal damage to the posterior (but not the anterior) cerebellum showed strongly diminished learning, in terms of both rate and amount of improvement over time. Consistent with a double-dissociation pattern, patients with focal damage to the anterior cerebellum instead showed more severe clinical motor deficits, indicative of a distinct role of the anterior cerebellum in the motor domain. The collected evidence demonstrates that a pure form of slow-incremental visual perceptual learning is crucially dependent on the intact cerebellum, bearing the notion that the human cerebellum acts as a learning device for motor, cognitive and perceptual functions. We interpret the deficit in terms of an inability to fine-tune predictive models of the incoming flow of visual perceptual input over time. Moreover, our results suggest a strong dissociation between the role of different portions of the cerebellum in motor versus non-motor functions, with only the posterior lobe being responsible for learning in the perceptual domain.
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Affiliation(s)
- Cristina Deluca
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy
| | - Ashkan Golzar
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy; Department of Physiology, McGill University, Montreal, Canada
| | - Elisa Santandrea
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy
| | - Emanuele Lo Gerfo
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy
| | - Jana Eštočinová
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy
| | | | - Antonio Fiaschi
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy; National Institute of Neuroscience, Verona, Italy
| | - Marta Panzeri
- Department of Genetics of Neurodegenerative and Metabolic Diseases, IRCCS Foundation Carlo Besta, Milan, Italy
| | - Caterina Mariotti
- Department of Genetics of Neurodegenerative and Metabolic Diseases, IRCCS Foundation Carlo Besta, Milan, Italy
| | - Michele Tinazzi
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy; National Institute of Neuroscience, Verona, Italy
| | - Leonardo Chelazzi
- Department of Neurological and Movement Sciences, University of Verona, Verona, Italy; National Institute of Neuroscience, Verona, Italy.
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Battaglini L, Campana G, Casco C. Illusory speed is retained in memory during invisible motion. Iperception 2013; 4:180-91. [PMID: 23799195 PMCID: PMC3690409 DOI: 10.1068/i0562] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 04/17/2013] [Indexed: 11/04/2022] Open
Abstract
The brain can retain speed information in early visual short-term memory in an astonishingly precise manner. We investigated whether this (early) visual memory system is active during the extrapolation of occluded motion and whether it reflects speed misperception due to contrast and size. Experiments 1A and 2A showed that reducing target contrast or increasing its size led to an illusory speed underestimation. Experiments 1B, 2B, and 3 showed that this illusory phenomenon is reflected in the memory of speed during occluded motion, independent of the range of visible speeds, of the length of the visible trajectory or the invisible trajectory, and of the type of task. These results suggest that illusory speed is retained in memory during invisible motion.
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Affiliation(s)
- Luca Battaglini
- Department General Psychology, University of Padua, Via Venezia, 8, 3513 Padua, Italy; e-mail:
| | - Gianluca Campana
- Department General Psychology, University of Padua, Via Venezia, 8, 3513 Padua, Italy; e-mail:
| | - Clara Casco
- Department General Psychology, University of Padua, Via Venezia, 8, 3513 Padua, Italy; e-mail:
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Hergovich A, Gröbl K, Carbon CC. The paddle move commonly used in magic tricks as a means for analysing the perceptual limits of combined motion trajectories. Perception 2011; 40:358-66. [PMID: 21692425 DOI: 10.1068/p6866] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Following Gustav Kuhn's inspiring technique of using magicians' acts as a source of insight into cognitive sciences, we used the 'paddle move' for testing the psychophysics of combined movement trajectories. The paddle move is a standard technique in magic consisting of a combined rotating and tilting movement. Careful control of the mutual speed parameters of the two movements makes it possible to inhibit the perception of the rotation, letting the 'magic' effect emerge--a sudden change of the tilted object. By using 3-D animated computer graphics we analysed the interaction of different angular speeds and the object shape/size parameters in evoking this motion disappearance effect. An angular speed of 540 degrees s(-1) (1.5 rev. s(-1)) sufficed to inhibit the perception of the rotary movement with the smallest object showing the strongest effect. 90.7% of the 172 participants were not able to perceive the rotary movement at an angular speed of 1125 degrees s(-1) (3.125 rev. s(-1)). Further analysis by multiple linear regression revealed major influences on the effectiveness of the magic trick of object height and object area, demonstrating the applicability of analysing key factors of magic tricks to reveal limits of the perceptual system.
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Affiliation(s)
- Andreas Hergovich
- Faculty of Psychology, University of Vienna, Dr Karl Lueger Ring 1, 1010 Vienna, Austria.
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Sokolov A, Pavlova M. Timing accuracy in motion extrapolation: reverse effects of target size and visible extent of motion at low and high speeds. Perception 2003; 32:699-706. [PMID: 12892430 DOI: 10.1068/p3397] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
By varying target size, speed, and extent of visible motion we examined the timing accuracy in motion extrapolation. Small or large targets (0.2 or 0.8 deg) moved at either 2.5, 5, or 10 deg s(-1) across a horizontal path (2.5 or 10 deg) and then vanished behind an occluder. Observers responded when they judged that the target had reached a randomly specified position between 0 and 12 deg. With higher speeds, the timing accuracy (the reverse of absolute error) was better for small than for large targets, and for long than for short visible extents. With low speed, these effects were reversed. In addition, while long visible extents yielded a greater accuracy at high than at low speeds, for short extents the accuracy was much better with the low speed. The findings suggest that, when extrapolating motion with targets and visible extents of different sizes, the visual system implements different scaling algorithms depending on target speed. At higher speeds, processing of visible and occluded motion is likely to share a common scaling mechanism based on velocity transposition. Reverse effects for target size and extent of visible motion at low and high speeds converge with the assumption of two distinct speed-tuned motion-processing mechanisms in human vision.
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Affiliation(s)
- Alexander Sokolov
- Institut für Psychologie, Technische Universität Braunschweig, Spielmannstrasse 19, D 38106 Braunschweig, Germany.
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Abstract
We have investigated how participants match the orientation of a line, which moves on a vertical screen towards the subject. On its path to the participant, the line could disappear at several positions. Participants were instructed to put a bar on a predefined interception point on the screen, such that the bar touched the screen with the same orientation as the moving line at the very moment when the line passed through the interception point or (in case of line disappearance) when the hidden line would pass through the interception point (like in catching). Participants made significant errors for oblique orientations, but not for vertical and horizontal orientations of the moving line. These errors were small or absent when the moving line was visible all the way along its path on the screen. However, these errors became larger when the line disappeared farther away from the interception point. In the second experiment we tested whether these errors could be related to errors in visual perception of line orientation. The results demonstrate that errors in matching of the bar do not correspond to the last perceived orientation of the line, but rather to the perceived orientation of the moving line near the beginning of the movement path. This corresponds to earlier observations that participants shortly track a moving target and then make a saccadic eye movement to the interception point.
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Affiliation(s)
- Frouke Hermens
- Department of Biophysics, Facultiet der Natuurwetenschappen, University of Nijmegen, Wiskunde en Informatica, Geert Grootteplein 21, 6525 EZ Nijmegen, The Netherlands.
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Pavlova M, Sokolov A. Speed perception is affected by the Ebbinghaus-Titchener illusion. Perception 2001; 29:1203-8. [PMID: 11220211 DOI: 10.1068/p3047] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
We examined whether the apparent extent of motion affects speed perception. On the first presentation of each trial, a light dot travelled horizontally across a central circle of one of the Ebbinghaus configurations (with either small or large inducing elements). On the second presentation, observers adjusted the speed of a dot moving within the central circle alone so as to match the speed perceived in the first presentation. For all stimulus speeds (1.3, 2.1, and 5.5 deg s-1), the matched speed with small inducing circles was systematically less than that with large inducing circles. The findings indicate that the perceived speed depends on the apparent extent of motion: the larger the apparent size of a frame, the slower the apparent speed. These results are consistent with the predictions of transposition effects in visual motion.
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Affiliation(s)
- M Pavlova
- Institut für Medizinische Psychologie und Verhaltensneurobiologie, MEG-Zentrum, Eberhard-Karls-Universität Tübingen, Gartenstrasse 29, D 72074 Tübingen, Germany.
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