Article
Psychology, Multidisciplinary
Selene Schintu, Stephen J. Gotts, Michael Freedberg, Sarah Shomstein, Eric M. Wassermann
Summary: A study using Structural Equation Modeling (SEM) revealed the brain network connectivity and correlations underlying the sensorimotor and cognitive aftereffects induced by Prism Adaptation (PA). The findings showed that PA is supported by two functionally distinct subnetworks, one responsible for sensorimotor aftereffects and another responsible for cognitive aftereffects.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Neurosciences
Christopher L. Striemer, Adam Morrill
Summary: This study explores how the combination of the hand used to adapt and the direction of visual shift influences prism adaptation. The research found a congruency effect, showing that adaptation aftereffects are significantly larger when the hand used and the direction of prism shift are congruent. The authors suggest that understanding the cognitive and neural mechanisms underlying this congruency effect can help develop more accurate models of visuomotor learning and improve the effectiveness of prism adaptation for treating attentional disorders after brain damage.
EXPERIMENTAL BRAIN RESEARCH
(2023)
Article
Behavioral Sciences
L. Danesin, M. Oliveri, C. Semenza, G. Bottini, F. Burgio, A. Giustiniani
Summary: Neuroimaging studies have indicated that prism adaptation for neglect rehabilitation involves different brain regions, including the parietal cortex and the cerebellum. The parietal cortex is involved in conscious compensatory mechanisms during the initial stage, while the cerebellum aids in sensory error prediction and internal model update in later stages. Previous studies have examined the effects of lesions in either the parietal cortex or the cerebellum, but no comparisons between the two have been made. In this study, digital prism adaptation was used to test visuomotor learning differences in a patient with parietal lesion and a patient with cerebellar lesion. The results showed significant differences in the performance of the parietal lesion patient compared to healthy controls and the cerebellar lesion patient, while no differences were observed between the cerebellar lesion patient and healthy controls.
Article
Psychology, Multidisciplinary
Nicolas Farron, Stephanie Clarke, Sonia Crottaz-Herbette
Summary: Adaptation to right-deviating prisms can change the spatial topography of the inferior parietal lobule and modulate the dominance of the attentional network between the left and right hemisphere. The choice of hand during adaptation can influence this reshaping effect.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Psychology, Multidisciplinary
Maksymilian Korczyk, Maria Zimmermann, Lukasz Bola, Marcin Szwed
Summary: Training can improve behavioral performance and lead to brain reorganization. A study found that professional musicians perform better than non-musicians in both visual and auditory rhythmic tasks, which is associated with activation in specific brain regions.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Psychology, Developmental
Katrina Ferrara, Anna Seydell-Greenwald, Catherine E. Chambers, Elissa L. Newport, Barbara Landau
Summary: The study found that performing a visual-spatial construction task activates strongly bilateral regions in the brain from age 5 through adulthood, challenging the idea that spatial functions are always right-lateralized.
DEVELOPMENTAL SCIENCE
(2021)
Article
Psychology, Multidisciplinary
Lisa Fleury, Francesco Panico, Alexandre Foncelle, Patrice Revol, Ludovic Delporte, Sophie Jacquin-Courtois, Christian Collet, Yves Rossetti
Summary: Prism adaptation is a useful method to study sensorimotor adaptation, and the cerebellum plays an important role in the transfer of after-effects. This study aimed to explore whether anodal stimulation of the cerebellum could enhance after-effects transfer from throwing to pointing in novice participants. The results showed that active stimulation did not have significant beneficial effects on error reduction or throwing after-effects, but it had an effect on the longitudinal evolution of pointing errors and on pointing kinematic parameters during transfer assessment.
FRONTIERS IN PSYCHOLOGY
(2022)
Review
Neurosciences
Olga Boukrina, Peii Chen
Summary: The study found that in healthy adults, prism adaptation treatment (PAT) was associated with activity in posterior parietal and cerebellar clusters, reduced brain connectivity, and increased network connectivity; in contrast, patients with spatial neglect due to right brain damage relied on different neural circuits, including activity in the intact left occipital cortex. More research is needed to clarify the contribution of lesion location and load on the circuits involved in prism adaptation after unilateral brain damage.
Article
Neurosciences
Yann Cojan, Arnaud Saj, Patrik Vuilleumier
Summary: This study identified the neural substrates of different spatial processing components contributing to neglect symptoms. Results showed the critical role of the right lateral parietal cortex in bisection, while lesions in the frontal and temporal lobes were more critical for visual search in patients with focal right brain damage. The data support the existence of distinct components in spatial attentional processes damaged to different degrees in neglect patients.
Article
Anatomy & Morphology
Philipp Kuhnke, Curtiss A. Chapman, Vincent K. M. Cheung, Sabrina Turker, Astrid Graessner, Sandra Martin, Kathleen A. Williams, Gesa Hartwigsen
Summary: Semantic knowledge plays a central role in human cognition, and the angular gyrus (AG) is believed to be a key brain region for semantic processing. However, the role of the AG in semantic processing is controversial. This study analyzed fMRI data from multiple studies to investigate the response profiles of the AG during semantic processing. The findings suggest that the AG is involved in both general task-difficulty-related processes and specific semantic processes. The left AG acts as a convergence zone, binding different semantic features associated with the same concept to facilitate efficient access to relevant features.
BRAIN STRUCTURE & FUNCTION
(2022)
Article
Geriatrics & Gerontology
Kathryn L. L. Kern, Stephanie A. A. McMains, Thomas W. W. Storer, Scott D. D. Moffat, Karin Schon
Summary: Spatial navigation is critical for daily goal-directed behavior, but older adults experience decline in navigation performance. This study investigates the role of cardiorespiratory fitness in modulating brain activity during navigation in cognitively healthy older adults.
FRONTIERS IN AGING NEUROSCIENCE
(2022)
Article
Behavioral Sciences
Stefano Terruzzi, Damiano Crivelli, Alberto Pisoni, Giulia Mattavelli, Leonor Josefina Romero Lauro, Nadia Bolognini, Giuseppe Vallar
Summary: This study investigated the role of the right posterior parietal cortex (PPC) in Prismatic Adaptation (PA) and Aftereffects (AEs) using low frequency repetitive Transcranial Magnetic Stimulation (rTMS). The results showed that PPC plays a key role in the realignment process, while its impact on recalibration is limited.
Article
Neurosciences
Bo Zhang, Fan Wang, Qi Zhang, Yuji Naya
Summary: Our mental representation of egocentric space is influenced by the disproportionate sensory perception of the body. Previous studies have focused on the neural architecture for egocentric representations within the visual field. However, the space representation underlying the body is still unclear. This study used fMRI and MEG to investigate the spatial representation of targets relative to the body and found that the frontoparietal network is more involved in representing left/right targets, while the MTL-parietal network is more involved in retrieving targets behind the participant. MEG data also showed an earlier activation of the MTL-parietal network during target retrieval.
Article
Neurosciences
Youngsun T. Cho, Flora Moujaes, Charles H. Schleifer, Martina Starc, Jie Lisa Ji, Nicole Santamauro, Brendan Adkinson, Antonija Kolobaric, Morgan Flynn, John H. Krystal, John D. Murray, Grega Repovs, Alan Anticevic
Summary: This study investigated how reward and loss impact spatial working memory precision and neural circuits in human subjects. The results showed that both reward and loss improved spatial working memory precision, with specific regions like precentral sulcus and intraparietal sulcus having increased BOLD signal related to better working memory precision. Conversely, areas straddling executive networks displayed decreased BOLD signal during incentivized working memory.
Article
Psychology, Developmental
Katrina Ferrara, Anna Seydell-Greenwald, Catherine E. Chambers, Elissa L. Newport, Barbara Landau
Summary: Research suggests that the lateralization of language and spatial functions in the young brain differs from that of adults, with a shift from bilateral to left-hemispheric dominance. This developmental trajectory resembles that of language acquisition and may be driven by underlying mechanisms. Understanding the development of lateralization for cognitive functions can help in grasping general principles of how and why the brain lateralizes specific functions.
DEVELOPMENTAL SCIENCE
(2022)
Review
Behavioral Sciences
Caleb Stone, Jason B. Mattingley, Dragan Rangelov
Summary: The ability to change initial decisions is fundamental to adaptive behavior, improving task performance by correcting errors. This review provides an overview of the literature on changes of mind, proposing a conceptual framework that explores the influence of time and evidence source.
TRENDS IN COGNITIVE SCIENCES
(2022)
Article
Multidisciplinary Sciences
Natasha Matthews, J. B. Mattingley, P. E. Dux
Summary: The exponential rise in technology use has raised concerns about its impact on cognition, especially during the COVID-19 pandemic. Previous studies on technology multitasking and cognitive performance have reported mixed results and rarely considered developmental changes in cognitive abilities. In a large community-based science project, it was found that higher levels of everyday technology multitasking were associated with better multitasking performance across different age groups.
SCIENTIFIC REPORTS
(2022)
Article
Behavioral Sciences
Jessica McFadyen, Naotsugu Tsuchiya, Jason B. Mattingley, Marta I. Garrido
Summary: We tend to perceive what we expect to see and give priority to biologically-relevant stimuli. But how does our perception change when we encounter biologically-relevant stimuli that we did not expect? Research has found that our prior expectations can expedite our response times to neutral faces, but slow down our response times to fearful faces. This effect is mainly observed in individuals with high trait anxiety.
FRONTIERS IN BEHAVIORAL NEUROSCIENCE
(2022)
Review
Neurosciences
Xuqian Li, Michael J. O'Sullivan, Jason B. Mattingley
Summary: This study conducted a meta-analysis on visual working memory delay-period activations, revealing a frontoparietal network and activation in the right inferior temporal cortex. Analysis on different subgroups showed similar delay-period networks across frontal and parietal cortices.
Article
Neurosciences
Reuben Rideaux, Shane E. Ehrhardt, Yohan Wards, Hannah L. Filmer, Jin Jin, Dinesh K. Deelchand, Malgorzata Marjanska, Jason B. Mattingley, Paul E. Dux
Summary: Maintaining a balance between excitation and inhibition is crucial for healthy brain function, and imbalances can lead to various neurological disorders. Magnetic resonance spectroscopy (MRS) offers a non-invasive way to measure the concentrations of excitatory and inhibitory neurotransmitters in vivo, potentially serving as diagnostic biomarkers. However, the use of the excitatory and inhibitory neurotransmitter ratio as a proxy for E/I balance has shown inconsistent evidence for validity.
Article
Psychology
Anthony M. Harris, Claire Bradley, Sera Yijing Yoo, Jason B. Mattingley
Summary: Spatial cues that mismatch the colour of a subsequent target cause slower response, and the source of this effect is currently unknown. Two possible sources are attentional signal suppression and object-file updating. By correlating brain activity with the magnitude of the effect, researchers found a negative correlation, contradicting the suppression account and supporting the object-file updating account.
ATTENTION PERCEPTION & PSYCHOPHYSICS
(2023)
Review
Behavioral Sciences
Margaret Jane Moore, Elise Milosevich, Jason B. Mattingley, Nele Demeyere
Summary: This project presents a systematic review of 34 lesion-mapping studies on the anatomical correlates of neglect. The findings suggest that egocentric and allocentric neglect represent anatomically dissociable conditions, and the anatomy of these conditions may vary across hemispheres. The studies comparing acute versus chronic neglect and peripersonal/extrapersonal neglect found distinct lesion loci and inconsistent results regarding anatomical dissociation. The quality and generalizability of the included studies varied, highlighting the need for future high-quality research.
Article
Multidisciplinary Sciences
Reuben Rideaux, Rebecca K. West, Dragan Rangelov, Jason B. Mattingley
Summary: A canonical feature of sensory systems is that they adapt to prolonged or repeated inputs, suggesting the brain encodes the temporal context in which stimuli are embedded. The study found that both fatigue and sharpening mechanisms contribute to the tilt aftereffect, but they operate at different points in the sensory processing cascade to produce qualitatively distinct outcomes.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2023)
Article
Neuroimaging
R. Randeniya, I. Vilares, J. B. Mattingley, M. I. Garrido
Summary: Sensory perceptual alterations in autism may result from differences in sensory observation or in forming models of the environment, leading to increased bottom-up information flow relative to top-down control. A study using fMRI during a decision-under-uncertainty paradigm found no differences in task performance and representations of prior and likelihood between autistic individuals and neurotypicals. However, there were significant group differences in overall task activity, with autistic individuals showing increased activation in certain brain regions. Effective connectivity analysis revealed increased activity within sensory regions and increased bottom-up connectivity in autism. These findings support the hypothesis of increased bottom-up information flow during sensory learning tasks in autism.
NEUROIMAGE-CLINICAL
(2023)
Article
Psychology
Lydia Barnes, Dragan Rangelov, Jason B. B. Mattingley, Alexandra Woolgar
Summary: This study examined whether participants are sensitive to information that is currently irrelevant but will be relevant in a future task step. The results showed that participants' reporting of the target direction was influenced by future-relevant information, as well as the historical relevance of the distractors and the immediate demands of each task step.
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE
(2023)
Article
Neurosciences
Xuqian Li, Dragan Rangelov, Jason B. Mattingley, Lena Oestreich, Delphine Levy-Bencheton, Michael J. O'Sullivan
Summary: This study identified the relationship between the microstructure of white matter association tracts and the precision of visual working memory. The bilateral superior longitudinal fasciculus (SLF) I, SLF II, and SLF III, along with the bilateral inferior fronto-occipital fasciculus (IFOF), play a specific role in mediating the precision of visual working memory. Individual differences in axonal density in a network comprising the bilateral inferior longitudinal fasciculus (ILF) and SLF III and right SLF II, along with a supporting network located elsewhere in the brain, form a common system for visual working memory.
Article
Multidisciplinary Sciences
Matthew F. Tang, Ehsan Kheradpezhouh, Conrad C. Y. Lee, J. Edwin Dickinson, Jason B. Mattingley, Ehsan Arabzadeh
Summary: The response of cortical neurons to sensory stimuli is influenced by past events and expectation of future events. In this study, researchers investigated how expectation affects orientation selectivity in the primary visual cortex of male mice. They found that neurons enhanced their response to unexpected stimuli, both in awake and anaesthetized mice. A computational model was used to show that trial-to-trial variability in neuronal responses was best characterized when adaptation and expectation effects were combined.
NATURE COMMUNICATIONS
(2023)
Article
Biochemical Research Methods
Rebecca West, William Harrison, Natasha Matthews, Jason Mattingley, David Sewell
Summary: This study investigates the computational processes involved in deriving confidence in decision-making. It finds that a class of models that assesses evidence strength and sensory uncertainty provides the best account of confidence in both visual and auditory decisions.
PLOS COMPUTATIONAL BIOLOGY
(2023)
Article
Anatomy & Morphology
Margaret Jane Moore, Luke Hearne, Nele Demeyere, Jason B. Mattingley
Summary: Visuospatial neglect is a common post-stroke cognitive impairment. This study found anatomical differences between right and left egocentric neglect, suggesting damage to a hemispherically asymmetric attention network. Additionally, both egocentric and allocentric neglect were associated with damage across the dorsal and ventral attention networks, challenging the commonly asserted dichotomy between these networks.
BRAIN STRUCTURE & FUNCTION
(2023)
Article
Psychology, Experimental
Emily J. A-Izzeddin, Jason B. Mattingley, William J. Harrison
Summary: Humans have well-documented priors for features in nature that guide visual perception. Despite the variability of visual features between scenes, these priors do not significantly challenge visuo-cognitive function and therefore require the use of context-specific information. This study investigates the trade-off between longer-term priors and immediate contextual information in perceptual inference, showing that observers' performance can be approximated by a model that uses priors for low-level image statistics.