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Karataş L, Utkan Karasu A, Karataş GK. The effect of offline anosognosia for hemispatial neglect on neglect rehabilitation in patients with subacute and chronic right hemispheric brain injury. A retrospective cohort study. Neuropsychol Rehabil 2024; 34:453-468. [PMID: 37073753 DOI: 10.1080/09602011.2023.2202862] [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: 08/01/2022] [Accepted: 04/06/2023] [Indexed: 04/20/2023]
Abstract
CLINICAL TRIALS REGISTRATION NUMBER NCT05145855.
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Affiliation(s)
- Levent Karataş
- Department of Physical Medicine and Rehabilitation, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Ayça Utkan Karasu
- Department of Physical Medicine and Rehabilitation, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Gülçin Kaymak Karataş
- Department of Physical Medicine and Rehabilitation, Gazi University Faculty of Medicine, Ankara, Turkey
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Tivadar RI, Franceschiello B, Minier A, Murray MM. Learning and navigating digitally rendered haptic spatial layouts. NPJ SCIENCE OF LEARNING 2023; 8:61. [PMID: 38102127 PMCID: PMC10724186 DOI: 10.1038/s41539-023-00208-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/28/2023] [Indexed: 12/17/2023]
Abstract
Learning spatial layouts and navigating through them rely not simply on sight but rather on multisensory processes, including touch. Digital haptics based on ultrasounds are effective for creating and manipulating mental images of individual objects in sighted and visually impaired participants. Here, we tested if this extends to scenes and navigation within them. Using only tactile stimuli conveyed via ultrasonic feedback on a digital touchscreen (i.e., a digital interactive map), 25 sighted, blindfolded participants first learned the basic layout of an apartment based on digital haptics only and then one of two trajectories through it. While still blindfolded, participants successfully reconstructed the haptically learned 2D spaces and navigated these spaces. Digital haptics were thus an effective means to learn and translate, on the one hand, 2D images into 3D reconstructions of layouts and, on the other hand, navigate actions within real spaces. Digital haptics based on ultrasounds represent an alternative learning tool for complex scenes as well as for successful navigation in previously unfamiliar layouts, which can likely be further applied in the rehabilitation of spatial functions and mitigation of visual impairments.
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Affiliation(s)
- Ruxandra I Tivadar
- The Department of Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
- Department of Ophthalmology, Fondation Asile des Aveugles, Lausanne, Switzerland.
- Centre for Integrative and Complementary Medicine, Department of Anesthesiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
- Cognitive Computational Neuroscience Group, Institute for Computer Science, University of Bern, Bern, Switzerland.
- The Sense Innovation and Research Center, Lausanne and Sion, Switzerland.
| | - Benedetta Franceschiello
- The Department of Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- The Sense Innovation and Research Center, Lausanne and Sion, Switzerland
- Institute of Systems Engineering, School of Engineering, University of Applied Sciences Western Switzerland (HES-SO Valais), Sion, Switzerland
| | - Astrid Minier
- The Department of Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Department of Ophthalmology, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Micah M Murray
- The Department of Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
- Department of Ophthalmology, Fondation Asile des Aveugles, Lausanne, Switzerland.
- The Sense Innovation and Research Center, Lausanne and Sion, Switzerland.
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Long J, Zhang Y, Liu X, Gao Q, Pan M. Music-based interventions for unilateral spatial neglect: A systematic review. Neuropsychol Rehabil 2023; 33:1462-1487. [PMID: 35980394 DOI: 10.1080/09602011.2022.2111314] [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: 03/04/2022] [Accepted: 08/04/2022] [Indexed: 10/15/2022]
Abstract
This study aimed to evaluate the effects of music-based interventions on unilateral spatial neglect. Five databases were retrieved prior to May 5, 2022. A range of study designs were considered, including randomized controlled trials, controlled clinical trials, cohorts, and case series/reports. Types of music-based interventions were not limited. Methodological quality of randomized trials were evaluated using the RoB 2 tool, and the RoBiNT scale was utilized to assess the quality of case studies. Two authors independently summarized main results for assessments. Search strategies identified 186 potentially relevant articles, and 10 articles were collected for in-depth analysis. Preliminary results showed that USN patients performed better in cancellation tests than bisection tests after music-based intervention. In summary, pleasant music listening may have a beneficial effect on the visual attention of USN patients, and it can be hypothesized that this is related to the positive mood and emotions of patients induced by music. Music with a dynamic auditory stimulus as a new music listening programme in USN rehabilitation is worthy of further investigation. Instrument playing intervention can be considered as a multisensory stimulation to ameliorate neglect performance via multiple mechanisms. However, current results only support the short-term positive effects of music-based interventions on USN.
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Affiliation(s)
- Junzi Long
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Yasu Zhang
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Xiaomin Liu
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Qian Gao
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
| | - Mengyang Pan
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, Zhengzhou, People's Republic of China
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Gallina J, Zanon M, Mikulan E, Pietrelli M, Gambino S, Ibáñez A, Bertini C. Alterations in resting-state functional connectivity after brain posterior lesions reflect the functionality of the visual system in hemianopic patients. Brain Struct Funct 2022; 227:2939-2956. [PMID: 35585290 DOI: 10.1007/s00429-022-02502-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 04/21/2022] [Indexed: 12/13/2022]
Abstract
Emerging evidence suggests a role of the posterior cortices in regulating alpha oscillatory activity and organizing low-level processing in non-alpha frequency bands. Therefore, posterior brain lesions, which damage the neural circuits of the visual system, might affect functional connectivity patterns of brain rhythms. To test this hypothesis, eyes-closed resting state EEG signal was acquired from patients with hemianopia with left and right posterior lesions, patients without hemianopia with more anterior lesions and healthy controls. Left-lesioned hemianopics showed reduced intrahemispheric connectivity in the range of upper alpha only in the lesioned hemisphere, whereas right-lesioned hemianopics exhibited reduced intrahemispheric alpha connectivity in both hemispheres. In terms of network topology, these impairments were characterized by reduced local functional segregation, with no associated change in global functional integration. This suggests a crucial role of posterior cortices in promoting functional connectivity in the range of alpha. Right-lesioned hemianopics revealed also additional impairments in the theta range, with increased connectivity in this frequency band, characterized by both increased local segregated activity and decreased global integration. This indicates that lesions to right posterior cortices lead to stronger impairments in alpha connectivity and induce additional alterations in local and global low-level processing, suggesting a specialization of the right hemisphere in generating alpha oscillations and in coordinating complex interplays with lower frequency bands. Importantly, hemianopic patient's visual performance in the blind field was linked to alpha functional connectivity, corroborating the notion that alpha oscillatory patterns represent a biomarker of the integrity and the functioning of the underlying visual system.
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Affiliation(s)
- Jessica Gallina
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy
| | - Marco Zanon
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy.,Neuroscience Area, International School for Advanced Studies (SISSA), Trieste, Italy
| | - Ezequiel Mikulan
- Department of Biomedical and Clinical Sciences "L. Sacco", University of Milan, Milan, Italy
| | - Mattia Pietrelli
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy.,Department of Psychiatry, University of WI-Madison, Wisconsin, USA
| | - Silvia Gambino
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy.,Department of Psychology, University of Bologna, Bologna, Italy
| | - Agustín Ibáñez
- Latin American Brain Health (BrainLat), Universidad Adolfo Ibáñez, Santiago, Chile.,Cognitive Neuroscience Center (CNC), Universidad de San Andrés, Buenos Aires, Argentina.,National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Global Brain Health Institute, University of California-San Francisco, San Francisco, CA, USA.,Trinity College Dublin, Dublin, Ireland
| | - Caterina Bertini
- Centre for Studies and Research in Cognitive Neuroscience, University of Bologna, Cesena, Italy. .,Department of Psychology, University of Bologna, Bologna, Italy.
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Pierce JE, Ronchi R, Thomasson M, Rossi I, Casati C, Saj A, Vallar G, Vuilleumier P. A novel computerized assessment of manual spatial exploration in unilateral spatial neglect. Neuropsychol Rehabil 2021; 32:1099-1120. [PMID: 33478363 DOI: 10.1080/09602011.2021.1875850] [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] [Indexed: 12/11/2022]
Abstract
Unilateral spatial neglect is a neuropsychological syndrome commonly observed after stroke and defined by the inability to attend or respond to contralesional stimuli. Typically, symptoms are assessed using clinical tests that rely upon visual/perceptual abilities. However, neglect may affect high-level representations controlling attention in other modalities as well. Here we developed a novel manual exploration test using a touch screen computer to quantify spatial search behaviour without visual input. Twelve chronic stroke patients with left neglect and 27 patients without neglect (based on clinical tests) completed our task. Four of the 12 "neglect" patients exhibited clear signs of neglect on our task as compared to "non-neglect" patients and healthy controls, and six other patients (from both groups) also demonstrated signs of neglect compared to healthy controls only. While some patients made asymmetrical responses on only one task, generally, patients with the strongest neglect performed poorly on multiple tasks. This suggests that representations associated with different modalities may be affected separately, but that severe forms of neglect are more likely related to damage in a common underlying representation. Our manual exploration task is easy to administer and can be added to standard neglect screenings to better measure symptom severity.
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Affiliation(s)
- Jordan E Pierce
- Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience, University of Geneva, Switzerland
| | - Roberta Ronchi
- Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience, University of Geneva, Switzerland.,Department of Clinical Neurosciences, University Hospital of Geneva, Switzerland
| | - Marine Thomasson
- Department of Clinical Neurosciences, University Hospital of Geneva, Switzerland.,Clinical and Experimental Neuropsychology Laboratory, Department of Psychology and Educational Sciences, University of Geneva, Switzerland
| | - Irene Rossi
- Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiano, Milano, Italy.,Dept. of Neurorehabilitation Sciences, IRCCS Istituto Auxologico Italiano, Milano, Italy
| | - Carlotta Casati
- Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiano, Milano, Italy.,Dept. of Neurorehabilitation Sciences, IRCCS Istituto Auxologico Italiano, Milano, Italy
| | - Arnaud Saj
- Department of Psychology, University of Montreal, Canada
| | - Giuseppe Vallar
- Neuropsychological Laboratory, IRCCS Istituto Auxologico Italiano, Milano, Italy.,Department of Psychology, University of Milano-Bicocca, Milano, Italy
| | - Patrik Vuilleumier
- Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience, University of Geneva, Switzerland
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