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Villar-Rodríguez E, Davydova T, Marin-Marin L, Avila C. Atypical lateralization of visuospatial attention can be associated with better or worse performance on line bisection. Brain Struct Funct 2024:10.1007/s00429-024-02822-3. [PMID: 38907765 DOI: 10.1007/s00429-024-02822-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 06/15/2024] [Indexed: 06/24/2024]
Abstract
The causal and statistical hypotheses diverge in determining whether the lateralization of language function in one cerebral hemisphere entails the lateralization of visuospatial function in the opposite hemisphere. Additionally, it remains unclear if the atypical segregation of these functions could influence cognitive performance. This study addresses these questions by examining the hemispheric lateralization of visuospatial attention during a line bisection judgement (landmark) task in three groups of healthy non-right-handed individuals with different language production segregations: left (typical), ambilateral (atypical), and right (atypical). Consistent with the causal hypothesis, results indicate that the groups with left and right language lateralization primarily utilize the opposite hemisphere for visuospatial attention. The ambilateral group, however, displays a pattern compatible with an independent segregation, supporting the statistical hypothesis. Behavioral analyses reveal that atypical lateralization of visuospatial attention (non-right) can lead to either better or worse performance during the landmark task, depending on the specific pattern. Bilateral organization is associated with reduced overall accuracy, whereas the left segregation results in improved performance during the most challenging trials. These findings suggest the existence of diverse pathways to lateralization, akin to either the causal or statistical hypothesis, which can result in cognitive advantages or disadvantages.
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Affiliation(s)
- Esteban Villar-Rodríguez
- Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castelllón de La Plana, Spain.
| | - Tatiana Davydova
- Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castelllón de La Plana, Spain
| | - Lidón Marin-Marin
- Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castelllón de La Plana, Spain
- Department of Psychology, University of York, York, UK
| | - César Avila
- Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castelllón de La Plana, Spain
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Ardonceau V, Poulin-Charronnat B, Bonnet C, Sirandré C, Michel-Colent C. Vertical prism adaptation, but not sound presentation, modulates the visuospatial representation: A manual line-bisection study. Cortex 2024; 177:330-345. [PMID: 38908363 DOI: 10.1016/j.cortex.2024.05.014] [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: 09/12/2023] [Revised: 04/04/2024] [Accepted: 05/21/2024] [Indexed: 06/24/2024]
Abstract
The present study aimed at testing whether vertical prism adaptation (PA) can modulate vertical visuospatial representation, assessed with a vertical manual line-bisection (MLB) task (Experiment 1). In a second time, we wanted to investigate the potential influence of sound presentation during such a task. Sound is a spatially valued element that has previously been reported to modify horizontal visuospatial representation. In Experiment 2, we presented either a high pitch, a low pitch, or no sound during the same MLB as in Experiment 1. With this experiment, we also searched for an eventual interaction between the effect of sound presentation and the potential cognitive aftereffects of vertical PA on visual representation. Both Experiments 1 and 2 were constructed with the same design and conducted with two distinct groups of young healthy right-handed participants. First, we assessed the initial sensorimotor state with an open-loop pointing task, and the initial representational state through a vertical MLB (with addition of sound for Experiment 2). Then participants were submitted to a 16-minute PA procedure and were tested again on the open-loop pointing task and the MLB to assess the aftereffects following prism removal. Our results showed sensorimotor aftereffects following both upward and downward PA, in a direction opposed to the optical deviation used. The early aftereffects measured following PA were symmetrical, but at the end of the experiment the residual aftereffects were smaller following downward PA than upward PA. We also provide a new insight on the aftereffects of vertical PA on visuospatial representation, showing that downward PA (but not upward PA) can produce an upward bias on the manual line-bisection task. This is the first proof of such cognitive aftereffects following vertical PA. However, we found no effect of sound presentation on the vertical visual space representation and no interaction between PA and sound presentation.
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Affiliation(s)
- Vincent Ardonceau
- Inserm U1093 - CAPS, Université de Bourgogne, UFR des Sciences du Sport, Dijon, France.
| | | | | | - Cyril Sirandré
- Inserm U1093 - CAPS, Université de Bourgogne, UFR des Sciences du Sport, Dijon, France
| | - Carine Michel-Colent
- Inserm U1093 - CAPS, Université de Bourgogne, UFR des Sciences du Sport, Dijon, France
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Zhiznevskiy D, Zamergrad M, Levin O. The role of cognitive impairment in the development of balance disorders in cerebrovascular diseases. Zh Nevrol Psikhiatr Im S S Korsakova 2022; 122:51-58. [DOI: 10.17116/jnevro202212211251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ferrara K, Seydell-Greenwald A, Chambers CE, Newport EL, Landau B. Developmental changes in neural lateralization for visual-spatial function: Evidence from a line-bisection task. Dev Sci 2021; 25:e13217. [PMID: 34913543 DOI: 10.1111/desc.13217] [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: 05/19/2021] [Revised: 11/02/2021] [Accepted: 12/08/2021] [Indexed: 11/27/2022]
Abstract
Studies of hemispheric specialization have traditionally cast the left hemisphere as specialized for language and the right hemisphere for spatial function. Much of the supporting evidence for this separation of function comes from studies of healthy adults and those who have sustained lesions to the right or left hemisphere. However, we know little about the developmental origins of lateralization. Recent evidence suggests that the young brain represents language bilaterally, with 4-6-year-olds activating the left-hemisphere regions known to support language in adults as well as homotopic regions in the right hemisphere. This bilateral pattern changes over development, converging on left-hemispheric activation in late childhood. In the present study, we ask whether this same developmental trajectory is observed in a spatial task that is strongly right-lateralized in adults-the line bisection (or "Landmark") task. We examined fMRI activation among children ages 5-11 years as they were asked to judge which end of a bisected vertical line was longer. We found that young children showed bilateral activation, with activation in the same areas of the right hemisphere as has been shown among adults, as well as in the left hemisphere homotopic regions. By age 10, activation was right-lateralized. This strongly resembles the developmental trajectory for language, moving from bilateral to lateralized activation. We discuss potential underlying mechanisms and suggest that understanding the development of lateralization for a range of cognitive functions can play a crucial role in understanding general principles of how and why the brain comes to lateralize certain functions.
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Affiliation(s)
- Katrina Ferrara
- Center for Brain Plasticity and Recovery, Georgetown University, Washington, District of Columbia, USA.,Intellectual and Developmental Disabilities Research Center, Children's National Health System, Washington, District of Columbia, USA
| | - Anna Seydell-Greenwald
- Center for Brain Plasticity and Recovery, Georgetown University, Washington, District of Columbia, USA
| | - Catherine E Chambers
- Center for Brain Plasticity and Recovery, Georgetown University, Washington, District of Columbia, USA
| | - Elissa L Newport
- Center for Brain Plasticity and Recovery, Georgetown University, Washington, District of Columbia, USA
| | - Barbara Landau
- Center for Brain Plasticity and Recovery, Georgetown University, Washington, District of Columbia, USA.,Department of Cognitive Science, Johns Hopkins University, Baltimore, Maryland, USA
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The Allocation of Vertical Attention in Patients with End-Stage Renal Disease Receiving Dialysis. Brain Sci 2021; 11:brainsci11121549. [PMID: 34942851 PMCID: PMC8699659 DOI: 10.3390/brainsci11121549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/16/2021] [Accepted: 11/19/2021] [Indexed: 11/28/2022] Open
Abstract
Objectives: Alterations of spatial attention can have adverse effects, such a greater probability of accidents. Patients with end-stage renal disease (ESRD) receiving dialysis have stronger left-sided spatial attentional bias, suggesting that this disorder or treatment alters the brain networks that mediate spatial attention. The hemispheric networks that mediate the allocation of horizontal attention may also influence the allocation of vertical attention. However, the allocation of vertical spatial attention has not been studied in ESRD patients. Methods: Twenty-three ESRD patients receiving dialysis and 23 healthy right-handed controls performed line bisections using 24 vertical lines (24 cm long and 2 mm thick) aligned with the intersection of their midsagittal and coronal planes. Results: Hemodialyzed ESRD patients had a significantly greater upward bias than healthy controls. The magnitude of this bias was correlated with the duration of the kidney disease. Conclusions: The reason why upward attentional bias is increased in hemodialyzed ESRD patients is not known. Further research is needed to better understand the brain mechanism that might account for this bias, as well as its treatment. However, hemodialyzed ESRD patients and their families-caregivers should be made aware of this disorder to avoid accidents such as tripping.
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Ferrara K, Seydell-Greenwald A, Chambers CE, Newport EL, Landau B. Development of bilateral parietal activation for complex visual-spatial function: Evidence from a visual-spatial construction task. Dev Sci 2021; 24:e13067. [PMID: 33226713 PMCID: PMC8594159 DOI: 10.1111/desc.13067] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 09/14/2020] [Accepted: 11/10/2020] [Indexed: 11/30/2022]
Abstract
The neural representation of visual-spatial functions has traditionally been ascribed to the right hemisphere, but little is known about these representations in children, including whether and how lateralization of function changes over the course of development. Some studies suggest bilateral activation early in life that develops toward right-lateralization in adulthood, while others find evidence of right-hemispheric dominance in both children and adults. We used a complex visual-spatial construction task to examine the nature of lateralization and its developmental time course in children ages 5-11 years. Participants were shown two puzzle pieces and were asked whether the pieces could fit together to make a square; responses required either mental translation of the pieces (Translation condition) or both mental translation and rotation of the pieces (Rotation condition). Both conditions were compared to a matched Luminance control condition that was similar in terms of visual content and difficulty but required no spatial analysis. Group and single-subject analyses revealed that the Rotation and Translation conditions elicited strongly bilateral activation in the same parietal and occipital locations as have been previously found for adults. These findings show that visual-spatial construction consistently elicits robust bilateral activation from age 5 through adulthood. This challenges the idea that spatial functions are all right-lateralized, either during early development or in adulthood. More generally, these findings provide insights into the developmental course of lateralization across different spatial skills and how this may be influenced by the computational requirements of the particular functions involved.
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Affiliation(s)
- Katrina Ferrara
- Center for Brain Plasticity and Recovery, Georgetown University, Building D, Suite 145, 4000 Reservoir Road NW, Washington, DC 20057
| | - Anna Seydell-Greenwald
- Center for Brain Plasticity and Recovery, Georgetown University, Building D, Suite 145, 4000 Reservoir Road NW, Washington, DC 20057
| | - Catherine E. Chambers
- Center for Brain Plasticity and Recovery, Georgetown University, Building D, Suite 145, 4000 Reservoir Road NW, Washington, DC 20057
| | - Elissa L. Newport
- Center for Brain Plasticity and Recovery, Georgetown University, Building D, Suite 145, 4000 Reservoir Road NW, Washington, DC 20057
| | - Barbara Landau
- Center for Brain Plasticity and Recovery, Georgetown University, Building D, Suite 145, 4000 Reservoir Road NW, Washington, DC 20057
- Department of Cognitive Science, Johns Hopkins University, Krieger Hall, 2400 North Charles Street, Baltimore, MD 21218
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Ciricugno A, Bartlett ML, Gwinn OS, Carragher DJ, Nicholls MER. The effect of cognitive load on horizontal and vertical spatial asymmetries. Laterality 2021; 26:706-724. [PMID: 33906579 DOI: 10.1080/1357650x.2021.1920972] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Healthy individuals typically show a leftward attentional bias in the allocation of spatial attention along the horizontal plane, a phenomenon known as pseudoneglect, which relies on a right hemispheric dominance for visuospatial processing. Also, healthy individuals tend to overestimate the upper hemispace when orienting attention along the vertical plane, a phenomenon that may depend on asymmetric ventral and dorsal visual streams activation. Previous research has demonstrated that when attentional resources are reduced due to increased cognitive load, pseudoneglect is attenuated (or even reversed), due to decreased right-hemispheric activations. Critically, whether and how the reduction of attentional resources under load modulates vertical spatial asymmetries has not been addressed before. We asked participants to perform a line bisection task both with and without the addition of a concurrent auditory working memory task with lines oriented either horizontally or vertically. Results showed that increasing cognitive load reduced the typical leftward/upward bias with no difference between orientations. Our data suggest that the degree of cognitive load affects spatial attention not only in the horizontal but also in the vertical plane. Lastly, the similar effect of load on horizontal and vertical judgements suggests these biases may be related to only partially independent mechanisms.
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Affiliation(s)
- Andrea Ciricugno
- IRCCS C. Mondino Foundation, Pavia, Italy.,College of Education, Psychology, and Social Work, Flinders University, South Australia, Australia
| | - Megan L Bartlett
- College of Education, Psychology, and Social Work, Flinders University, South Australia, Australia
| | - Owen S Gwinn
- College of Education, Psychology, and Social Work, Flinders University, South Australia, Australia
| | - Daniel J Carragher
- College of Education, Psychology, and Social Work, Flinders University, South Australia, Australia
| | - Michael E R Nicholls
- College of Education, Psychology, and Social Work, Flinders University, South Australia, Australia
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Schintu S, Cunningham CA, Freedberg M, Taylor P, Gotts SJ, Shomstein S, Wassermann EM. Callosal anisotropy predicts attentional network changes after parietal inhibitory stimulation. Neuroimage 2020; 226:117559. [PMID: 33189929 DOI: 10.1016/j.neuroimage.2020.117559] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/28/2020] [Accepted: 11/08/2020] [Indexed: 12/28/2022] Open
Abstract
Hemispatial neglect is thought to result from disruption of interhemispheric equilibrium. Right hemisphere lesions deactivate the right frontoparietal network and hyperactivate the left via release from interhemispheric inhibition. Support for this putative mechanism comes from neuropsychological evidence as well as transcranial magnetic stimulation (TMS) studies in healthy subjects, in whom right posterior parietal cortex (PPC) inhibition causes neglect-like, rightward, visuospatial bias. Concurrent TMS and fMRI after right PPC TMS show task-dependent changes but may fail to identify effects of stimulation in areas not directly activated by the specific task, complicating interpretations. We used resting-state functional connectivity (RSFC) after inhibitory TMS over the right PPC to examine changes in the networks underlying visuospatial attention and used diffusion-weighted imaging to measure the structural properties of relevant white matter pathways. In a crossover experiment in healthy individuals, we delivered continuous theta burst TMS to the right PPC and vertex as control condition. We hypothesized that PPC inhibitory stimulation would result in a rightward visuospatial bias, decrease frontoparietal RSFC, and increase the PPC RSFC with the attentional network in the left hemisphere. We also expected that individual differences in fractional anisotropy (FA) of the frontoparietal network and the callosal pathway between the PPCs would account for variability of the TMS-induced RSFC changes. As hypothesized, TMS over the right PPC caused a rightward shift in line bisection judgment and increased RSFC between the right PPC and the left superior temporal gyrus. This effect was inversely related to FA in the posterior corpus callosum. Local inhibition of the right PPC reshapes connectivity in the attentional network and depends significantly on interhemispheric connections.
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Affiliation(s)
- Selene Schintu
- National Institute of Neurological Disorders and Stroke, Bethesda, USA; Department of Psychology, George Washington University, Washington DC, USA.
| | | | - Michael Freedberg
- National Institute of Neurological Disorders and Stroke, Bethesda, USA
| | - Paul Taylor
- National Institute of Mental Health, Bethesda, USA
| | | | - Sarah Shomstein
- Department of Psychology, George Washington University, Washington DC, USA
| | - Eric M Wassermann
- National Institute of Neurological Disorders and Stroke, Bethesda, USA
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Lewis P, Shaw DM, Wild U, Erren TC. (Side) effects of the rule of the road and neurophysiology on traffic safety: A hypothesis. ENVIRONMENTAL RESEARCH 2020; 183:109246. [PMID: 32085995 DOI: 10.1016/j.envres.2020.109246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/10/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
Nowadays, the roots of left-hand traffic (LHT) and right-hand traffic (RHT) - including fighting on horse-back and whipping horses that are drawing carriages - are at an all-time low; thus, it is time to assess and appreciate the nexus of road-safety practices and human neurophysiology. We hypothesize that safety of LHT and RHT can be associated with neurophysiology. We summarize scattered empirical research into plausible links between neurophysiological aspects such as handedness, eye movement bias, and hemispheric lateralisation and how safe, in theory, LHT vs. RHT may be for whom. The scarcity and limitations of empirical data into road traffic accidents associated with LHT or RHT are surprising. Even though it was claimed that countries with LHT have lower collision rates than countries with RHT some 50 years ago, we lack informative analyses of traffic accidents in countries with either LHT or RHT which consider plausibly associated neurophysiology. Overall, we predict that LHT (with the driver sitting on the right) is safer than RHT. As 'the rule of the road' and neurophysiology may have important unrecognized "side" effects, we suggest that (and how) this rationale should be tested.
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Affiliation(s)
- Philip Lewis
- Institute and Policlinic for Occupational Medicine, Environmental Medicine and Prevention Research, University Hospital of Cologne, Germany.
| | - David M Shaw
- Institute for Biomedical Ethics, University of Basel, Basel, Switzerland; Department of Health, Ethics and Society, CAPHRI Research Institute, Maastricht University, Maastricht, the Netherlands
| | - Ursula Wild
- Institute and Policlinic for Occupational Medicine, Environmental Medicine and Prevention Research, University Hospital of Cologne, Germany
| | - Thomas C Erren
- Institute and Policlinic for Occupational Medicine, Environmental Medicine and Prevention Research, University Hospital of Cologne, Germany
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