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Harris JWC, Saccone EJ, Chong R, Buckingham G, Murphy MJ, Chouinard PA. New evidence for the sensorimotor mismatch theory of weight perception and the size-weight illusion. Exp Brain Res 2024; 242:1623-1643. [PMID: 38780803 PMCID: PMC11208202 DOI: 10.1007/s00221-024-06849-0] [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: 10/22/2023] [Accepted: 05/10/2024] [Indexed: 05/25/2024]
Abstract
The size-weight illusion is a phenomenon where a smaller object is perceived heavier than an equally weighted larger object. The sensorimotor mismatch theory proposed that this illusion occurs because of a mismatch between efferent motor commands and afferent sensory feedback received when lifting large and small objects (i.e., the application of too little and too much lifting force, respectively). This explanation has been undermined by studies demonstrating a separation between the perceived weight of objects and the lifting forces that are applied on them. However, this research suffers from inconsistencies in the choice of lifting force measures reported. Therefore, we examined the contribution of sensorimotor mismatch in the perception of weight in the size-weight illusion and in non-size-weight illusion stimuli and evaluated the use of a lifting force aggregate measure comprising the four most common lifting force measures used in previous research. In doing so, the sensorimotor mismatch theory was mostly supported. In a size-weight illusion experiment, the lifting forces correlated with weight perception and, contrary to some earlier research, did not adapt over time. In a non-size-weight illusion experiment, switches between lifting light and heavy objects resulted in perceiving the weight of these objects differently compared to no switch trials, which mirrored differences in the manner participants applied forces on the objects. Additionally, we reveal that our force aggregate measure can allow for a more sensitive and objective examination of the effects of lifting forces on objects.
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Affiliation(s)
- Jarrod W C Harris
- Department of Psychology, Counselling, and Therapy, School of Psychology and Public Health, La Trobe University, George Singer Building, Room 460, La Trobe University, Bundoora Campus, Melbourne, VIC, 3086, Australia
| | - Elizabeth J Saccone
- Department of Psychological and Brain Sciences, Johns Hopkins University, Baltimore, MD, USA
| | - Rebecca Chong
- Department of Psychology, Counselling, and Therapy, School of Psychology and Public Health, La Trobe University, George Singer Building, Room 460, La Trobe University, Bundoora Campus, Melbourne, VIC, 3086, Australia
| | - Gavin Buckingham
- Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Melanie J Murphy
- Department of Psychology, Counselling, and Therapy, School of Psychology and Public Health, La Trobe University, George Singer Building, Room 460, La Trobe University, Bundoora Campus, Melbourne, VIC, 3086, Australia
| | - Philippe A Chouinard
- Department of Psychology, Counselling, and Therapy, School of Psychology and Public Health, La Trobe University, George Singer Building, Room 460, La Trobe University, Bundoora Campus, Melbourne, VIC, 3086, Australia.
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Object-centered sensorimotor bias of torque control in the chronic stage following stroke. Sci Rep 2022; 12:14539. [PMID: 36008561 PMCID: PMC9411611 DOI: 10.1038/s41598-022-18754-z] [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: 03/18/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022] Open
Abstract
When lifting objects whose center of mass (CoM) are not centered below the handle one must compensate for arising external torques already at lift-off to avoid object tilt. Previous studies showed that finger force scaling during object lifting may be impaired at both hands following stroke. However, torque control in object manipulation has not yet been studied in patients with stroke. In this pilot study, thirteen patients with chronic stage left hemispheric stroke (SL), nine patients with right hemispheric stroke (SR) and hand-matched controls had to grasp and lift an object with the fingertips of their ipsilesional hand at a handle while preventing object tilt. Object CoM and therewith the external torque was varied by either relocating a covert weight or the handle. The compensatory torque at lift-off (Tcom) is the sum of the torque resulting from (1) grip force being produced at different vertical finger positions (∆CoP × GF) and (2) different vertical load forces on both sides of the handle (∆Fy × w/2). When having to rely on sensorimotor memories, ∆CoP × GF was elevated when the object CoM was on the ipsilesional-, but decreased when CoM was on the contralesional side in SL, whereas ∆Fy × w/2 was biased in the opposite direction, resulting in normal Tcom. SR patients applied a smaller ∆CoP × GF when the CoM was on the contralesional side. Torques were not altered when geometric cues were available. Our findings provide evidence for an object-centered spatial bias of manual sensorimotor torque control with the ipsilesional hand following stroke reminiscent of premotor neglect. Both intact finger force-to-position coordination and visuomotor control may compensate for the spatial sensorimotor bias in most stroke patients. Future studies will have to confirm the found bias and evaluate the association with premotor neglect.
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van Polanen V, Buckingham G, Davare M. The effects of TMS over the anterior intraparietal area on anticipatory fingertip force scaling and the size-weight illusion. J Neurophysiol 2022; 128:290-301. [PMID: 35294305 PMCID: PMC9363003 DOI: 10.1152/jn.00265.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
When lifting an object skillfully, fingertip forces need to be carefully scaled to the object’s weight, which can be inferred from its apparent size and material. This anticipatory force scaling ensures smooth and efficient lifting movements. However, even with accurate motor plans, weight perception can still be biased. In the size-weight illusion, objects of different size but equal weight are perceived to differ in heaviness, with the small object perceived to be heavier than the large object. The neural underpinnings of anticipatory force scaling to object size and the size-weight illusion are largely unknown. In this study, we tested the role of anterior intraparietal cortex (aIPS) in predictive force scaling and the size-weight illusion, by applying continuous theta burst stimulation (cTBS) prior to participants lifting objects of different sizes. Participants received cTBS over aIPS, the primary motor cortex (control area), or Sham stimulation. We found no evidence that aIPS stimulation affected the size-weight illusion. Effects were, however, found on anticipatory force scaling, where grip force was less tuned to object size during initial lifts. These findings suggest that aIPS is not involved in the perception of object weight but plays a transient role in the sensorimotor predictions related to object size. NEW & NOTEWORTHY Skilled object manipulation requires forming anticipatory motor plans according to the object’s properties. Here, we demonstrate the role of anterior intraparietal sulcus (aIPS) in anticipatory grip force scaling to object size, particularly during initial lifting experience. Interestingly, this role was not maintained after continued practice and was not related to perceptual judgments measured with the size-weight illusion.
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Affiliation(s)
- Vonne van Polanen
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Biomedical Sciences group, KU Leuven, Leuven, Belgium.,Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Gavin Buckingham
- Department of Sport and Health Sciences, University of Exeter, Exeter, United Kingdom
| | - Marco Davare
- Faculty of Life Sciences and Medicine, grid.13097.3cKing's College London, London, United Kingdom
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Saccone EJ, Goldsmith RM, Buckingham G, Chouinard PA. Container size exerts a stronger influence than liquid volume on the perceived weight of objects. Cognition 2019; 192:104038. [PMID: 31401168 DOI: 10.1016/j.cognition.2019.104038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 08/01/2019] [Accepted: 08/04/2019] [Indexed: 11/26/2022]
Abstract
Many features of an object can influence how we predict and perceive its weight. The current study evaluated the relative contributions of sensory and conceptual processing of object features on weight perception. We employed a novel paradigm to investigate how container size and the amount of liquid inside can influence the perceived weight of bottles and the forces deployed when lifting them. Stimulus pairs always had the same mass but could vary in liquid volume (full vs half-full bottle) or size (large vs small bottle; size-weight illusion (SWI)). In Experiment 1, participants lifted the stimuli via strings, which served to isolate the influence of visual from kinaesthetic information about the size of stimuli on perception and lifting behaviour. In Experiment 2, participants lifted the stimuli via handles that were attached directly to the objects. This lifting style is more likely to include deviations from true vertical lifting, which should theoretically provide more kinaesthetic information about the size of the stimuli. Experiment 1 did not produce any weight illusion. Experiment 2 produced a weight illusion but only when container size differed. Thus, liquid volume did not influence perceived weight when container size was held constant in either experiment. Curiously, additional control experiments revealed that participants could not discriminate between the different sized bottles solely from the kinaesthetic information received from a handle-based lift, suggesting that size might be processed differently when making explicit perceptual judgements about it than when influencing weight perception. Together, these findings suggest that weight illusions are driven more strongly by the kinaesthetic processing of stimulus features than predictions arising from conceptual weight cues.
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Affiliation(s)
- Elizabeth J Saccone
- School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia.
| | - Rachael M Goldsmith
- School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia
| | - Gavin Buckingham
- Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom
| | - Philippe A Chouinard
- School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia
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Referent control of anticipatory grip force during reaching in stroke: an experimental and modeling study. Exp Brain Res 2019; 237:1655-1672. [PMID: 30976821 DOI: 10.1007/s00221-019-05498-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 02/20/2019] [Indexed: 10/27/2022]
Abstract
To evaluate normal and impaired control of anticipatory grip force (GF) modulation, we compared GF production during horizontal arm movements in healthy and post-stroke subjects, and, based on a physiologically feasible dynamic model, determined referent control variables underlying the GF-arm motion coordination in each group. 63% of 13 healthy and 48% of 13 stroke subjects produced low sustained initial force (< 10 N) and increased GF prior to arm movement. Movement-related GF increases were higher during fast compared to self-paced arm extension movements only in the healthy group. Differences in the patterns of anticipatory GF increases before the arm movement onset between groups occurred during fast extension arm movement only. In the stroke group, longer delays between the onset of GF change and elbow motion were related to clinical upper limb deficits. Simulations showed that GFs could emerge from the difference between the actual and the referent hand aperture (Ra) specified by the CNS. Similarly, arm movement could result from changes in the referent elbow position (Re) and could be affected by the co-activation (C) command. A subgroup of stroke subjects, who increased GF before arm movement, could specify different patterns of the referent variables while reproducing the healthy typical pattern of GF-arm coordination. Stroke subjects, who increased GF after arm movement onset, also used different referent strategies than controls. Thus, altered anticipatory GF behavior in stroke subjects may be explained by deficits in referent control.
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Buckingham G. Examining the size-weight illusion with visuo-haptic conflict in immersive virtual reality. Q J Exp Psychol (Hove) 2019; 72:2168-2175. [PMID: 30789088 DOI: 10.1177/1747021819835808] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
When we experience our environment, we do so by combining sensory inputs with expectations derived from our prior knowledge, which can lead to surprising perceptual effects such as small objects feeling heavier than equally weighted large objects (the size-weight illusion (SWI)). Interestingly, there is evidence that the way in which the volume of an object is experienced can affect the strength of the illusion, with a SWI induced by exclusively haptic volume cues feeling stronger than a SWI induced with only visual volume cues. Furthermore, visual cues appear to add nothing over and above haptic size cues in terms of the strength of the induced weight illusion-findings which are difficult to reconcile with work using cue-conflict paradigms where visual cues usually dominate haptic cues. Here, virtual reality was used to place these senses in conflict with one another. Participants (N = 22) judged the heaviness of identically weighted cylinders across three conditions: (1) objects appeared different sizes but were physically the same size, (2) objects were physically different sizes but appeared to be the same size, or (3) objects which looked and felt different sizes from one another. Consistent with prior work, haptic size cues induced a larger SWI than that induced by visual size differences. In contrast to prior work, however, congruent vision and haptic size cues yielded a larger still SWI. These findings not only add to our understanding of how different modalities combine to influence our hedonic perception but also showcase how virtual reality can develop novel cue-conflict paradigms.
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Affiliation(s)
- Gavin Buckingham
- Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
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Cunha BP, Freitas SMSF, Gomes GFO, de Freitas PB. Hand Grip and Load Force Coordination of the Ipsilesional Hand of Chronic Stroke Individuals. J Mot Behav 2019; 51:610-621. [PMID: 30600789 DOI: 10.1080/00222895.2018.1547892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Object manipulation depends on a refined control of grip force (GF) and load force (LF). After a brain injury, the GF control is altered in the paretic hand but what happens with the non-paretic hand is still unclear. In this study, we compared the GF control and GF-LF coordination of the non-paretic hand of 10 stroke individuals who suffered right brain damage (RBD) and 10 who suffered left brain damage (LBD), with 20 healthy individuals during lifting and oscillation task, using an instrumented object. GF was recorded with a force transducer, and LF was estimated from the object weight and acceleration. Overall, the ipsilesional hand of stroke individuals, independent of the lesion side, presented similar GF control and GF-LF coordination. However, LBD individuals took longer to start lifting the object, which may be due to the need of more time to obtain somatosensory information from the contact with the object. The findings indicate that stroke individuals preserve their ability to control and coordinate GF and LF when using their ipsilesional hand for object manipulation and the left hemisphere may play an essential role in the processing of somatosensory information needed for the GF control.
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Affiliation(s)
- Bianca P Cunha
- Interdisciplinary Graduate Program in Health Sciences, Cruzeiro do Sul University , São Paulo , SP , Brazil
| | - Sandra M S F Freitas
- Masters and Doctoral Programs in Physical Therapy, São Paulo City University , São Paulo , SP , Brazil .,Department of Neurology, Milton S. Hershey Medical Center, The Pennsylvania State University , Hershey , PA , USA .,Department of Kinesiology, The Pennsylvania State University , University Park , PA , USA
| | - Georgia F O Gomes
- Masters and Doctoral Programs in Physical Therapy, São Paulo City University , São Paulo , SP , Brazil
| | - Paulo B de Freitas
- Interdisciplinary Graduate Program in Health Sciences, Cruzeiro do Sul University , São Paulo , SP , Brazil .,Department of Neurology, Milton S. Hershey Medical Center, The Pennsylvania State University , Hershey , PA , USA .,Department of Kinesiology, The Pennsylvania State University , University Park , PA , USA
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Buckingham G, Reid D, Potter L. How Prior Expectations Influence Older Adults’ Perception and Action During Object Interaction. Multisens Res 2018; 31:301-316. [DOI: 10.1163/22134808-00002585] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 04/26/2017] [Indexed: 11/19/2022]
Abstract
The apparent size of an object can influence how we interact with and perceive the weight of objects in our environment. Little is known, however, about how this cue affects behaviour across the lifespan. Here, in the context of the size–weight illusion, we examined how visual size cues influenced the predictive application of fingertip forces and perceptions of heaviness in a group of older participants. We found that our older sample experienced a robust size–weight illusion, which did not differ from that experienced by younger participants. Older and young participants also experienced a real weight difference to a similar degree. By contrast, compared to younger participants our older group showed no evidence that size cues influenced the way they initially gripped and lifted the objects. These results highlight a unique dissociation between how perception and action diverge across the lifespan, and suggest that deficits in the ability to use prediction to guide actions might underpin some of the manual interaction difficulties experienced by the older adults.
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Affiliation(s)
- Gavin Buckingham
- Department of Sport and Health Sciences, Richards Building, University of Exeter, UK
| | - Darren Reid
- Department of Psychology, Heriot-Watt University, UK
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Abstract
Limb apraxia is a heterogeneous disorder of skilled action and tool use that has long perplexed clinicians and researchers. It occurs after damage to various loci in a densely interconnected network of regions in the left temporal, parietal, and frontal lobes. Historically, a highly classificatory approach to the study of apraxia documented numerous patterns of performance related to two major apraxia subtypes: ideational and ideomotor apraxia. More recently, there have been advances in our understanding of the functional neuroanatomy and connectivity of the left-hemisphere "tool use network," and the patterns of performance that emerge from lesions to different loci within this network. This chapter focuses on the left inferior parietal lobe, and its role in tool and body representation, action prediction, and action selection, and how these functions relate to the deficits seen in patients with apraxia subsequent to parietal lesions. Finally, suggestions are offered for several future directions that will benefit the study of apraxia, including increased attention to research on rehabilitation of this disabling disorder.
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Affiliation(s)
- Laurel J Buxbaum
- Moss Rehabilitation Research Institute, Elkins Park, PA, United States.
| | - Jennifer Randerath
- Motor Cognition Group, Clinical Neuropsychology and Lurija Institute for Rehabilitation and Health Sciences, University of Konstanz, Konstanz; and Schmieder Foundation for Sciences and Research, Allensbach, Germany
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Abstract
OBJECTIVES Adaptive interaction with the environment requires the ability to predict both human and non-biological motion trajectories. Prior accounts of the neurocognitive basis for prediction of these two motion classes may generally be divided into those that posit that non-biological motion trajectories are predicted using the same motor planning and/or simulation mechanisms used for human actions, and those that posit distinct mechanisms for each. Using brain lesion patients and healthy controls, this study examined critical neural substrates and behavioral correlates of human and non-biological motion prediction. METHODS Twenty-seven left hemisphere stroke patients and 13 neurologically intact controls performed a visual occlusion task requiring prediction of pantomimed tool use, real tool use, and non-biological motion videos. Patients were also assessed with measures of motor strength and speed, praxis, and action recognition. RESULTS Prediction impairment for both human and non-biological motion was associated with limb apraxia and, weakly, with the severity of motor production deficits, but not with action recognition ability. Furthermore, impairment for human and non-biological motion prediction was equivalently associated with lesions in the left inferior parietal cortex, left dorsal frontal cortex, and the left insula. CONCLUSIONS These data suggest that motor planning mechanisms associated with specific loci in the sensorimotor network are critical for prediction of spatiotemporal trajectory information characteristic of both human and non-biological motions. (JINS, 2017, 23, 171-184).
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Buckingham G, Michelakakis EE, Cole J. Perceiving and acting upon weight illusions in the absence of somatosensory information. J Neurophysiol 2016; 115:1946-53. [PMID: 26843597 DOI: 10.1152/jn.00587.2015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 01/28/2016] [Indexed: 11/22/2022] Open
Abstract
When lifting novel objects, individuals' fingertip forces are influenced by a variety of cues such as volume and apparent material. This means that heavy-looking objects tend to be lifted with more force than lighter-looking objects, even when they weigh the same amount as one another. Expectations about object weight based on visual appearance also influence how heavy an object feels when it is lifted. For instance, in the "size-weight illusion," small objects feel heavier than equally weighted large objects. Similarly, in the "material-weight illusion," objects that seem to be made from light-looking materials feel heavier than objects of the same weight that appear to be made from heavy-looking materials. In this study, we investigated these perceptual and sensorimotor effects in IW, an individual with peripheral deafferentation (i.e., a loss of tactile and proprioception feedback). We examined his perceptions of heaviness and fingertip force application over repeated lifts of objects that varied in size or material properties. Despite being able to report real weight differences, IW did not appear to experience the size- or material-weight illusions. Furthermore, he showed no evidence of sensorimotor prediction based on size and material cues. The results are discussed in the context of forward models and their possible influence on weight perception and fingertip force control.
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Affiliation(s)
- Gavin Buckingham
- Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, United Kingdom; Department of Psychology, School of Life Sciences, Heriot-Watt University, Edinburgh, United Kingdom; and
| | | | - Jonathan Cole
- Centre of Postgraduate Medical Research and Education, Bournemouth University and Poole Hospital NHS Foundation Trust, Poole, United Kingdom
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Evans C, Edwards MG, Taylor LJ, Ietswaart M. Impaired Communication Between the Dorsal and Ventral Stream: Indications from Apraxia. Front Hum Neurosci 2016; 10:8. [PMID: 26869897 PMCID: PMC4733863 DOI: 10.3389/fnhum.2016.00008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 01/11/2016] [Indexed: 11/18/2022] Open
Abstract
Patients with apraxia perform poorly when demonstrating how an object is used, particularly when pantomiming the action. However, these patients are able to accurately identify, and to pick up and move objects, demonstrating intact ventral and dorsal stream visuomotor processing. Appropriate object manipulation for skilled use is thought to rely on integration of known and visible object properties associated with “ventro-dorsal” stream neural processes. In apraxia, it has been suggested that stored object knowledge from the ventral stream may be less readily available to incorporate into the action plan, leading to an over-reliance on the objects’ visual affordances in object-directed motor behavior. The current study examined grasping performance in left hemisphere stroke patients with (N = 3) and without (N = 9) apraxia, and in age-matched healthy control participants (N = 14), where participants repeatedly grasped novel cylindrical objects of varying weight distribution. Across two conditions, object weight distribution was indicated by either a memory-associated cue (object color) or visual-spatial cue (visible dot over the weighted end). Participants were required to incorporate object-weight associations to effectively grasp and balance each object. Control groups appropriately adjusted their grasp according to each object’s weight distribution across each condition, whereas throughout the task two of the three apraxic patients performed poorly on both the memory-associated and visual-spatial cue conditions. A third apraxic patient seemed to compensate for these difficulties but still performed differently to control groups. Patients with apraxia performed normally on the neutral control condition when grasping the evenly weighted version. The pattern of behavior in apraxic patients suggests impaired integration of visible and known object properties attributed to the ventro-dorsal stream: in learning to grasp the weighted object accurately, apraxic patients applied neither pure knowledge-based information (the memory-associated condition) nor higher-level information given in the visual-spatial cue condition. Disruption to ventro-dorsal stream predicts that apraxic patients will have difficulty learning to manipulate new objects on the basis of information other than low-level visual cues such as shape and size.
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Affiliation(s)
- Carys Evans
- Faculty of Health and Life Sciences, Department of Psychology, Northumbria University Newcastle upon Tyne, UK
| | - Martin G Edwards
- Institute of Research in the Psychological Sciences, Université catholique de Louvain Louvain-le-Neuve, Belgium
| | - Lawrence J Taylor
- Faculty of Health and Life Sciences, Department of Psychology, Northumbria University Newcastle upon Tyne, UK
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Anticipation in Object Manipulation: Behavioral and Neural Correlates. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 957:173-194. [DOI: 10.1007/978-3-319-47313-0_10] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Buckingham G, Bieńkiewicz M, Rohrbach N, Hermsdörfer J. The impact of unilateral brain damage on weight perception, sensorimotor anticipation, and fingertip force adaptation. Vision Res 2015; 115:231-7. [DOI: 10.1016/j.visres.2015.02.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 01/28/2015] [Accepted: 02/01/2015] [Indexed: 10/24/2022]
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Eidenmüller S, Randerath J, Goldenberg G, Li Y, Hermsdörfer J. The impact of unilateral brain damage on anticipatory grip force scaling when lifting everyday objects. Neuropsychologia 2014; 61:222-34. [DOI: 10.1016/j.neuropsychologia.2014.06.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Revised: 06/13/2014] [Accepted: 06/20/2014] [Indexed: 10/25/2022]
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Force control in object manipulation—A model for the study of sensorimotor control strategies. Neurosci Biobehav Rev 2013; 37:1578-86. [DOI: 10.1016/j.neubiorev.2013.06.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2013] [Revised: 05/13/2013] [Accepted: 06/07/2013] [Indexed: 11/22/2022]
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