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Ban Y, Ujitoko Y. Age and Gender Differences in the Pseudo-Haptic Effect on Computer Mouse Operation in a Desktop Environment. IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS 2024; 30:5566-5580. [PMID: 37450361 DOI: 10.1109/tvcg.2023.3295389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Pseudo-haptics is a method that can provide a haptic sensation without requiring a physical haptic device. The effect of pseudo-haptics is known to depend on the individual, but it is unclear which factors cause individual differences. As the first study establishing a calibration method for these differences in future research, we examined the differences in the pseudo-haptic effect on mouse cursor operation in a desktop environment depending on the age and gender of the user. We conducted an online experiment and collected data from more than 400 participants. The participants performed a task of lifting a virtual object with a mouse pointer. We found that the effect of pseudo-haptics was greater in younger or male participants than in older or female participants. We also found that the effect of pseudo-haptics, which varied with age and gender, can be explained by habituation to the mouse in daily life and the accuracy of detecting the pointer position using vision or proprioception. Specifically, the pseudo-haptic effect was higher for those who used the mouse more frequently and had higher accuracy in identifying the pointer position using proprioception or vision. The results of the present study not only indicate the factors that cause age and gender differences but also provide hints for calibrating these differences.
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Babu R, Lee-Miller T, Wali M, Block HJ. Effect of visuo-proprioceptive mismatch rate on recalibration in hand perception. Exp Brain Res 2023; 241:2299-2309. [PMID: 37584684 PMCID: PMC11017161 DOI: 10.1007/s00221-023-06685-8] [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: 04/24/2023] [Accepted: 08/06/2023] [Indexed: 08/17/2023]
Abstract
We estimate our hand's position by combining relevant visual and proprioceptive cues. A cross-sensory spatial mismatch can be created by viewing the hand through a prism or, more recently, rotating a visual cursor that represents hand position. This is often done in the context of target-directed reaching to study motor adaptation, the systematic updating of motor commands in response to a systematic movement error. However, a visuo-proprioceptive mismatch also elicits recalibration in the relationship between the hand's seen and felt position. The principles governing visuo-proprioceptive recalibration are poorly understood, compared to motor adaptation. For example, motor adaptation occurs robustly whether the cursor is rotated quickly or slowly, although the former may involve more explicit processes. Here, we asked whether visuo-proprioceptive recalibration, in the absence of motor adaptation, works the same way. Three groups experienced a 70 mm visuo-proprioceptive mismatch about their hand at a Slow, Medium, or Fast rate (0.84, 1.67, or 3.34 mm every two trials, respectively), with no error feedback. Once attained, the 70 mm mismatch was maintained for the remaining trials. Total recalibration differed significantly across groups, with the Fast, Medium, and Slow groups recalibrating 63.7, 56.3, and 42.8 mm on average, respectively. This suggests a slower mismatch rate may be less effective at eliciting recalibration. In contrast to motor adaptation studies, no further recalibration was observed in the maintenance phase. This may be related to the distinct mechanisms thought to contribute to perceptual recalibration via cross-sensory cue conflict versus sensory prediction errors.
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Affiliation(s)
- Reshma Babu
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, 1025 E. 7th St., PH 112, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University Bloomington, Bloomington, USA
| | - Trevor Lee-Miller
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, 1025 E. 7th St., PH 112, Bloomington, IN, 47405, USA
| | - Manasi Wali
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, 1025 E. 7th St., PH 112, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University Bloomington, Bloomington, USA
| | - Hannah J Block
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, 1025 E. 7th St., PH 112, Bloomington, IN, 47405, USA.
- Program in Neuroscience, Indiana University Bloomington, Bloomington, USA.
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Geelen JE, van der Helm FCT, Schouten AC, Mugge W. Sensory weighting of position and force feedback during pinching. Exp Brain Res 2023:10.1007/s00221-023-06654-1. [PMID: 37382669 PMCID: PMC10386968 DOI: 10.1007/s00221-023-06654-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 06/15/2023] [Indexed: 06/30/2023]
Abstract
Human hands are complex biomechanical systems that allow for dexterous tasks with many degrees of freedom. Coordination of the fingers is essential for many activities of daily living and involves integrating sensory signals. During this sensory integration, the central nervous system deals with the uncertainty of sensory signals. When handling compliant objects, force and position are related. Interactions with stiff objects result in reduced position changes and increased force changes compared to compliant objects. Literature has shown sensory integration of force and position at the shoulder. Nevertheless, differences in sensory requirements between proximal and distal joints may lead to different proprioceptive representations, hence findings at proximal joints cannot be directly transferred to distal joints, such as the digits. Here, we investigate the sensory integration of force and position during pinching. A haptic manipulator rendered a virtual spring with adjustable stiffness between the index finger and the thumb. Participants had to blindly reproduce a force against the spring. In both visual reference trials and blind reproduction trials, the relation between pinch force and spring compression was constant. However, by covertly changing the spring characteristics in catch trials into an adjusted force-position relation, the participants' weighting of force and position could be revealed. In agreement with previous studies on the shoulder, participants relied more on force sense in trials with higher stiffness. This study demonstrated stiffness-dependent sensory integration of force and position feedback during pinching.
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Affiliation(s)
- Jinne E Geelen
- BioMechanical Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands.
| | - Frans C T van der Helm
- BioMechanical Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Alfred C Schouten
- BioMechanical Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Winfred Mugge
- BioMechanical Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
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Wali M, Lee-Miller T, Babu R, Block HJ. Retention of visuo-proprioceptive recalibration in estimating hand position. Sci Rep 2023; 13:6097. [PMID: 37055541 PMCID: PMC10102189 DOI: 10.1038/s41598-023-33290-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 04/11/2023] [Indexed: 04/15/2023] Open
Abstract
The brain estimates hand position using visual and proprioceptive cues, which are combined to give an integrated multisensory estimate. Spatial mismatches between cues elicit recalibration, a compensatory process where each unimodal estimate is shifted closer to the other. It is unclear how well visuo-proprioceptive recalibration is retained after mismatch exposure. Here we asked whether direct vision and/or active movement of the hand can undo visuo-proprioceptive recalibration, and whether recalibration is still evident 24 h later. 75 participants performed two blocks of visual, proprioceptive, and combination trials, with no feedback or direct vision of the hand. In Block 1, a 70 mm visuo-proprioceptive mismatch was gradually imposed, and recalibration assessed. Block 2 tested retention. Between blocks, Groups 1-4 rested or made active movements with their directly visible or unseen hand for several minutes. Group 5 had a 24-h gap between blocks. All five groups recalibrated both vision and proprioception in Block 1, and Groups 1-4 retained most of this recalibration in Block 2. Interestingly, Group 5 showed an offline increase in proprioceptive recalibration, but retained little visual recalibration. Our results suggested that visuo-proprioceptive recalibration is robustly retained in the short-term. In the longer term, contextual factors may affect retention.
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Affiliation(s)
- Manasi Wali
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN, USA
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN, USA
| | - Trevor Lee-Miller
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN, USA
| | - Reshma Babu
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN, USA
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN, USA
| | - Hannah J Block
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN, USA.
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN, USA.
- , 1025 E. 7Th St., PH 112, Bloomington, IN, 47405, USA.
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Hsiao A, Lee-Miller T, Block HJ. Conscious awareness of a visuo-proprioceptive mismatch: Effect on cross-sensory recalibration. Front Neurosci 2022; 16:958513. [PMID: 36117619 PMCID: PMC9470947 DOI: 10.3389/fnins.2022.958513] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 08/12/2022] [Indexed: 11/29/2022] Open
Abstract
The brain estimates hand position using vision and position sense (proprioception). The relationship between visual and proprioceptive estimates is somewhat flexible: visual information about the index finger can be spatially displaced from proprioceptive information, resulting in cross-sensory recalibration of the visual and proprioceptive unimodal position estimates. According to the causal inference framework, recalibration occurs when the unimodal estimates are attributed to a common cause and integrated. If separate causes are perceived, then recalibration should be reduced. Here we assessed visuo-proprioceptive recalibration in response to a gradual visuo-proprioceptive mismatch at the left index fingertip. Experiment 1 asked how frequently a 70 mm mismatch is consciously perceived compared to when no mismatch is present, and whether awareness is linked to reduced visuo-proprioceptive recalibration, consistent with causal inference predictions. However, conscious offset awareness occurred rarely. Experiment 2 tested a larger displacement, 140 mm, and asked participants about their perception more frequently, including at 70 mm. Experiment 3 confirmed that participants were unbiased at estimating distances in the 2D virtual reality display. Results suggest that conscious awareness of the mismatch was indeed linked to reduced cross-sensory recalibration as predicted by the causal inference framework, but this was clear only at higher mismatch magnitudes (70–140 mm). At smaller offsets (up to 70 mm), conscious perception of an offset may not override unconscious belief in a common cause, perhaps because the perceived offset magnitude is in range of participants’ natural sensory biases. These findings highlight the interaction of conscious awareness with multisensory processes in hand perception.
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Teramoto W. Age-related changes in visuo-proprioceptive processing in perceived body position. Sci Rep 2022; 12:8330. [PMID: 35585224 PMCID: PMC9117257 DOI: 10.1038/s41598-022-12022-w] [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: 12/21/2021] [Accepted: 05/03/2022] [Indexed: 11/20/2022] Open
Abstract
This study investigated age-related change in visuo-proprioceptive processing in the perceived body position using mirror hand/foot illusions, focusing on its temporal characteristics, its dependency on body parts, and its association with older adults’ fall risk. Either immediately or 15 s after the exposure to the mirror-induced inconsistency of visuo-proprioceptive signals regarding the right hand or foot position, participants performed a reaching task using the unseen, illusion-affected hand or foot. Results showed clear age group differences. Specifically, older adults exhibited larger reaching errors than younger adults in the hand condition, and after the 15 s delay in the foot condition. Further, the reaching errors were constant across time for older adults but decreased after the delay in young adults, regardless of the tested body part. Particularly, older adults’ risk of falling, which was assessed by the timed up-and-go test, was negatively correlated with the reduction of reaching error across time. This suggests that older adults, especially those with a high risk of falling, face difficulties in appropriately processing visual and proprioceptive information for body perception in accordance with their external environment.
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Affiliation(s)
- Wataru Teramoto
- Department of Psychology, Graduate School of Humanities and Social Sciences, Kumamoto University, 2-40-1 Kurokami, Kumamoto City, 860-8555, Japan.
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Mirdamadi JL, Seigel CR, Husch SD, Block HJ. Somatotopic Specificity of Perceptual and Neurophysiological Changes Associated with Visuo-proprioceptive Realignment. Cereb Cortex 2021; 32:1184-1199. [PMID: 34424950 DOI: 10.1093/cercor/bhab280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/26/2021] [Accepted: 07/19/2021] [Indexed: 11/13/2022] Open
Abstract
When visual and proprioceptive estimates of hand position disagree (e.g., viewing the hand underwater), the brain realigns them to reduce mismatch. This perceptual change is reflected in primary motor cortex (M1) excitability, suggesting potential relevance for hand movement. Here, we asked whether fingertip visuo-proprioceptive misalignment affects only the brain's representation of that finger (somatotopically focal), or extends to other parts of the limb that would be needed to move the misaligned finger (somatotopically broad). In Experiments 1 and 2, before and after misaligned or veridical visuo-proprioceptive training at the index finger, we used transcranial magnetic stimulation to assess M1 representation of five hand and arm muscles. The index finger representation showed an association between M1 excitability and visuo-proprioceptive realignment, as did the pinkie finger representation to a lesser extent. Forearm flexors, forearm extensors, and biceps did not show any such relationship. In Experiment 3, participants indicated their proprioceptive estimate of the fingertip, knuckle, wrist, and elbow, before and after misalignment at the fingertip. Proprioceptive realignment at the knuckle, but not the wrist or elbow, was correlated with realignment at the fingertip. These results suggest the effects of visuo-proprioceptive mismatch are somatotopically focal in both sensory and motor domains.
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Affiliation(s)
- Jasmine L Mirdamadi
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN 47405, USA.,Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN 47405, USA
| | - Courtney R Seigel
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN 47405, USA
| | - Stephen D Husch
- Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN 47405, USA
| | - Hannah J Block
- Program in Neuroscience, Indiana University Bloomington, Bloomington, IN 47405, USA.,Department of Kinesiology, School of Public Health, Indiana University Bloomington, Bloomington, IN 47405, USA
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