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Wilf M, Dupuis C, Nardo D, Huber D, Sander S, Al-Kaar J, Haroud M, Perrin H, Fornari E, Crottaz-Herbette S, Serino A. Virtual reality-based sensorimotor adaptation shapes subsequent spontaneous and naturalistic stimulus-driven brain activity. Cereb Cortex 2022; 33:5163-5180. [PMID: 36288926 PMCID: PMC10152055 DOI: 10.1093/cercor/bhac407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 11/12/2022] Open
Abstract
Our everyday life summons numerous novel sensorimotor experiences, to which our brain needs to adapt in order to function properly. However, tracking plasticity of naturalistic behavior and associated brain modulations is challenging. Here, we tackled this question implementing a prism adaptation-like training in virtual reality (VRPA) in combination with functional neuroimaging. Three groups of healthy participants (N = 45) underwent VRPA (with a shift either to the left/right side, or with no shift), and performed functional magnetic resonance imaging (fMRI) sessions before and after training. To capture modulations in free-flowing, task-free brain activity, the fMRI sessions included resting-state and free-viewing of naturalistic videos. We found significant decreases in spontaneous functional connectivity between attentional and default mode (DMN)/fronto-parietal networks, only for the adaptation groups, more pronouncedly in the hemisphere contralateral to the induced shift. In addition, VRPA was found to bias visual responses to naturalistic videos: Following rightward adaptation, we found upregulation of visual response in an area in the parieto-occipital sulcus (POS) only in the right hemisphere. Notably, the extent of POS upregulation correlated with the size of the VRPA-induced after-effect measured in behavioral tests. This study demonstrates that a brief VRPA exposure can change large-scale cortical connectivity and correspondingly bias visual responses to naturalistic sensory inputs.
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Affiliation(s)
- Meytal Wilf
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland.,Center of Advanced Technologies in Rehabilitation (CATR), Sheba Medical Center, Tel Hashomer 52621, Israel
| | - Celine Dupuis
- MindMaze SA, Chemin de Roseneck 5, 1006 Lausanne, Switzerland
| | - Davide Nardo
- MRC Cognition and Brain Sciences Unit, University of Cambridge, 15 Chaucer Rd, Cambridge CB2 7EF, United Kingdom.,Department of Education, University of Roma Tre, Rome, Italy
| | - Diana Huber
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Sibilla Sander
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Joud Al-Kaar
- Neuropsychology and Neurorehabilitation Service, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Meriem Haroud
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland.,Neuropsychology and Neurorehabilitation Service, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Henri Perrin
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Eleonora Fornari
- Biomedical Imaging Center (CIBM), Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne, Rue du Bugnon 46, 1011 Lausanne, Switzerland
| | - Sonia Crottaz-Herbette
- MindMaze SA, Chemin de Roseneck 5, 1006 Lausanne, Switzerland.,Neuropsychology and Neurorehabilitation Service, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland
| | - Andrea Serino
- MySpace Lab, Department of Clinical Neurosciences, Lausanne University Hospital (CHUV) and University of Lausanne, Avenue Pierre Decker 5, 1011 Lausanne, Switzerland.,MindMaze SA, Chemin de Roseneck 5, 1006 Lausanne, Switzerland
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Patients with lesions to the intraparietal cortex show greater proprioceptive realignment after prism adaptation: Evidence from open-loop pointing and manual straight ahead. Neuropsychologia 2021; 158:107913. [PMID: 34139246 DOI: 10.1016/j.neuropsychologia.2021.107913] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 04/27/2021] [Accepted: 06/08/2021] [Indexed: 11/21/2022]
Abstract
Reaching toward a target viewed through laterally refracting prisms results in adaptation of both visual and (limb) proprioceptive spatial representations. Common ways to measure adaptation after-effect are to ask a person to point straight ahead with their eyes closed ("manual straight ahead", MSA), or to a seen target using their unseen hand ("open-loop pointing", OLP). MSA measures changes in proprioception only, whereas OLP measures the combined visual and proprioceptive shift. The behavioural and neurological mechanisms of prism adaptation have come under scrutiny following reports of reduced hemispatial neglect in patients following this procedure. We present evidence suggesting that shifts in proprioceptive spatial representations induced by prism adaptation are larger following lesions to the intraparietal cortex - a brain region that integrates retinotopic visual signals with signals of eye position in the orbit and that is activated during prism adaptation. Six healthy participants and six patients with unilateral intraparietal cortex lesions underwent prism adaptation. After-effects were measured with OLP and MSA. After-effects of control participants were larger when measured with OLP than with MSA, consistent with previous research and with the additional contribution of visual shift to OLP after-effects. However, patients' OLP shifts were not significantly different to their MSA shifts. We conclude that, for the patients, correction of pointing errors during prism adaptation involved proportionally more changes to arm proprioception than for controls. Since lesions to intraparietal cortex led to enhanced realignment of arm proprioceptive representations, our results indirectly suggest that the intraparietal cortex could be key for visual realignment.
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Nijboer T, Kitazawa S, Rossetti Y. Prism adaptation: Reflections and future shifts for circular translational research? Cortex 2020; 126:213-216. [PMID: 32088409 DOI: 10.1016/j.cortex.2020.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 11/26/2019] [Accepted: 01/06/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Tanja Nijboer
- Experimental Psychology, Utrecht University, 3584, CS Utrecht, the Netherlands; Center of Excellence for Rehabilitation Medicine, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University and De Hoogstraat Rehabilitation, 3583, TM Utrecht, the Netherlands.
| | - Shigeru Kitazawa
- Graduate School of Frontier Biosciences, Osaka University, Osaka, Japan
| | - Yves Rossetti
- Inserm, CNRS, Université de Lyon, Lyon Neuroscience research Centre, Hoispices Civils de lyon, Impact, Bron, France.
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Casteau S, Smith DT. Associations and Dissociations between Oculomotor Readiness and Covert Attention. Vision (Basel) 2019; 3:vision3020017. [PMID: 31735818 PMCID: PMC6802773 DOI: 10.3390/vision3020017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/23/2019] [Accepted: 04/25/2019] [Indexed: 11/23/2022] Open
Abstract
The idea that covert mental processes such as spatial attention are fundamentally dependent on systems that control overt movements of the eyes has had a profound influence on theoretical models of spatial attention. However, theories such as Klein’s Oculomotor Readiness Hypothesis (OMRH) and Rizzolatti’s Premotor Theory have not gone unchallenged. We previously argued that although OMRH/Premotor theory is inadequate to explain pre-saccadic attention and endogenous covert orienting, it may still be tenable as a theory of exogenous covert orienting. In this article we briefly reiterate the key lines of argument for and against OMRH/Premotor theory, then evaluate the Oculomotor Readiness account of Exogenous Orienting (OREO) with respect to more recent empirical data. These studies broadly confirm the importance of oculomotor preparation for covert, exogenous attention. We explain this relationship in terms of reciprocal links between parietal ‘priority maps’ and the midbrain oculomotor centres that translate priority-related activation into potential saccade endpoints. We conclude that the OMRH/Premotor theory hypothesis is false for covert, endogenous orienting but remains tenable as an explanation for covert, exogenous orienting.
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