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Rueda Parra S, Perry JC, Wolbrecht ET, Gupta D. Neural correlates of bilateral proprioception and adaptation with training. PLoS One 2024; 19:e0299873. [PMID: 38489319 PMCID: PMC10942095 DOI: 10.1371/journal.pone.0299873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 02/14/2024] [Indexed: 03/17/2024] Open
Abstract
Bilateral proprioception includes the ability to sense the position and motion of one hand relative to the other, without looking. This sensory ability allows us to perform daily activities seamlessly, and its impairment is observed in various neurological disorders such as cerebral palsy and stroke. It can undergo experience-dependent plasticity, as seen in trained piano players. If its neural correlates were better understood, it would provide a useful assay and target for neurorehabilitation for people with impaired proprioception. We designed a non-invasive electroencephalography-based paradigm to assess the neural features relevant to proprioception, especially focusing on bilateral proprioception, i.e., assessing the limb distance from the body with the other limb. We compared it with a movement-only task, with and without the visibility of the target hand. Additionally, we explored proprioceptive accuracy during the tasks. We tested eleven Controls and nine Skilled musicians to assess whether sensorimotor event-related spectral perturbations in μ (8-12Hz) and low-β (12-18Hz) rhythms differ in people with musical instrument training, which intrinsically involves a bilateral proprioceptive component, or when new sensor modalities are added to the task. The Skilled group showed significantly reduced μ and low-β suppression in bilateral tasks compared to movement-only, a significative difference relative to Controls. This may be explained by reduced top-down control due to intensive training, despite this, proprioceptive errors were not smaller for this group. Target visibility significantly reduced proprioceptive error in Controls, while no change was observed in the Skilled group. During visual tasks, Controls exhibited significant μ and low-β power reversals, with significant differences relative to proprioceptive-only tasks compared to the Skilled group-possibly due to reduced uncertainty and top-down control. These results provide support for sensorimotor μ and low-β suppression as potential neuromarkers for assessing proprioceptive ability. The identification of these features is significant as they could be used to quantify altered proprioceptive neural processing in skill and movement disorders. This in turn can be useful as an assay for pre and post sensory-motor intervention research.
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Affiliation(s)
- Sebastian Rueda Parra
- Department of Electrical Engineering, University of Idaho, Moscow, Idaho, United States of America
- Stratton Veterans Affairs Medical Center, Albany, New York
| | - Joel C. Perry
- Department of Mechanical Engineering, University of Idaho, Moscow, Idaho, United States of America
| | - Eric T. Wolbrecht
- Department of Mechanical Engineering, University of Idaho, Moscow, Idaho, United States of America
| | - Disha Gupta
- Stratton Veterans Affairs Medical Center, Albany, New York
- Department of Electrical and Computer Engineering, University at Albany, State University of New York, Albany, New York, United States of America
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DeCouto BS, Smeeton NJ, Williams AM. Skill and experience impact neural activity during global and local biological motion processing. Neuropsychologia 2023; 191:108718. [PMID: 37939872 DOI: 10.1016/j.neuropsychologia.2023.108718] [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: 06/06/2023] [Revised: 09/15/2023] [Accepted: 10/28/2023] [Indexed: 11/10/2023]
Abstract
During biological motion perception, individuals with perceptual experience learn to use more global processing, simultaneously extracting information from multiple body segments. Less experienced observers may use more local processing of individual body segments. The parietal lobe (e.g., alpha and beta power) has been shown to be critical to global and local static stimulus perception. Therefore, in this paper, we examined how skill impacts motion processing by assessing behavioral and neural responses to degrading global or local motion information for soccer penalty kicks. Skilled (N = 21) and less skilled (N = 19) soccer players anticipated temporally occluded videos of penalty kicks under normal, blurred (degraded local information), or spatially occluded (hips-only; degraded global information) viewing conditions. EEG was used to measure parietal alpha and beta power. Skilled players outperformed less skilled players, albeit both skill groups were less accurate in the blurred and hips-only conditions. Skilled performers showed significant decreases in bilateral parietal beta power in the hips-only condition, suggesting a greater reliance on global motion information under normal viewing conditions. Additionally, the hips-only condition elicited significantly greater beta relative to alpha power (beta - alpha), lower beta power, and lower alpha power than the control condition for both skill groups, suggesting spatial occlusion elicited a shift towards more local processing. Our novel findings demonstrate that skill and experience impact how motion is processed.
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Affiliation(s)
- B S DeCouto
- Florida Institute for Human & Machine Cognition, Human Health, Resilience & Performance, 40 South Alcaniz St. Pensacola, FL 32502, USA; University of Utah, College of Health, Department of Health & Kinesiology, 383 Colorow Drive, Suite 260, Salt Lake City, UT. 84112, USA.
| | - N J Smeeton
- University of Brighton, School of Sport and Health Sciences, Sport and Exercise Science and Sports Medicine Research and Enterprise Group, 1 Denton Road, Eastbourne BN22 7SR, Brighton, England, UK
| | - A M Williams
- Florida Institute for Human & Machine Cognition, Human Health, Resilience & Performance, 40 South Alcaniz St. Pensacola, FL 32502, USA; University of Utah, College of Health, Department of Health & Kinesiology, 383 Colorow Drive, Suite 260, Salt Lake City, UT. 84112, USA
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Gharesi N, Luneau L, Kalaska JF, Baillet S. Evaluation of abstract rule-based associations in the human premotor cortex during passive observation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.06.543581. [PMID: 37333191 PMCID: PMC10274620 DOI: 10.1101/2023.06.06.543581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Decision-making often manifests in behavior, typically yielding overt motor actions. This complex process requires the registration of sensory information with one's internal representation of the current context, before a categorical judgment of the most appropriate motor behavior can be issued. The construct concept of embodied decision-making encapsulates this sequence of complex processes, whereby behaviorally salient information from the environment is represented in an abstracted space of potential motor actions rather than only in an abstract cognitive "decision" space. Theoretical foundations and some empirical evidence account for support the involvement of premotor cortical circuits in embodied cognitive functions. Animal models show that premotor circuits participate in the registration and evaluation of actions performed by peers in social situations, that is, prior to controlling one's voluntary movements guided by arbitrary stimulus-response rules. However, such evidence from human data is currently limited. Here we used time-resolved magnetoencephalography imaging to characterize activations of the premotor cortex as human participants observed arbitrary, non-biological visual stimuli that either respected or violated a simple stimulus-response association rule. The participants had learned this rule previously, either actively, by performing a motor task (active learning), or passively, by observing a computer perform the same task (passive learning). We discovered that the human premotor cortex is activated during the passive observation of the correct execution of a sequence of events according to a rule learned previously. Premotor activation also differs when the subjects observe incorrect stimulus sequences. These premotor effects are present even when the observed events are of a non-motor, abstract nature, and even when the stimulus-response association rule was learned via passive observations of a computer agent performing the task, without requiring overt motor actions from the human participant. We found evidence of these phenomena by tracking cortical beta-band signaling in temporal alignment with the observation of task events and behavior. We conclude that premotor cortical circuits that are typically engaged during voluntary motor behavior are also involved in the interpretation of events of a non-ecological, unfamiliar nature but related to a learned abstract rule. As such, the present study provides the first evidence of neurophysiological processes of embodied decision-making in human premotor circuits when the observed events do not involve motor actions of a third party.
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Affiliation(s)
- Niloofar Gharesi
- McConnell Brain Imaging Centre, Montréal Neurological Institute, McGill University, Montréal, Canada
| | - Lucie Luneau
- Groupe de recherche sur la signalisation neuronale et la circuiterie, Département de Neurosciences, Université de Montréal, Montréal, QC, Canada
| | - John F Kalaska
- Groupe de recherche sur la signalisation neuronale et la circuiterie, Département de Neurosciences, Université de Montréal, Montréal, QC, Canada
| | - Sylvain Baillet
- McConnell Brain Imaging Centre, Montréal Neurological Institute, McGill University, Montréal, Canada
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Gussow AE, MacDonald MC. Utterance planning under message uncertainty: evidence from a novel picture-naming paradigm. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2023; 23:957-972. [PMID: 37188856 DOI: 10.3758/s13415-023-01103-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/14/2023] [Indexed: 05/17/2023]
Abstract
Language researchers view utterance planning as implicit decision-making: producers must choose the words, sentence structures, and various other linguistic features to communicate their message. To date, much of the research on utterance planning has focused on situations in which the speaker knows the full message to convey. Less is known about circumstances in which speakers begin utterance planning before they are certain about their message. In three picture-naming experiments, we used a novel paradigm to examine how speakers plan utterances before a full message is known. In Experiments 1 and 2, participants viewed displays showing two pairs of objects, followed by a cue to name one pair. In an Overlap condition, one object appeared in both pairs, providing early information about one of the objects to name. In a Different condition, there was no object overlap. Across both spoken and typed responses, participants tended to name the overlapping target first in the Overlap condition, with shorter initiation latencies compared with other utterances. Experiment 3 used a semantically constraining question to provide early information about the upcoming targets, and participants tended to name the more likely target first in their response. These results suggest that in situations of uncertainty, producers choose word orders that allow them to begin early planning. Producers prioritize message components that are certain to be needed and continue planning the rest when more information becomes available. Given similarities to planning strategies for other goal-directed behaviors, we suggest continuity between decision-making processes in language and other cognitive domains.
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Affiliation(s)
- Arella E Gussow
- Department of Psychology, University of Wisconsin-Madison, 1202 West Johnson St, Madison, WI, 53706, USA.
| | - Maryellen C MacDonald
- Department of Psychology, University of Wisconsin-Madison, 1202 West Johnson St, Madison, WI, 53706, USA
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Gussow AE. Language production under message uncertainty: When, how, and why we speak before we think. PSYCHOLOGY OF LEARNING AND MOTIVATION 2023. [DOI: 10.1016/bs.plm.2023.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Gilbert ZD, Martin Del Campo-Vera R, Tang AM, Chen KH, Sebastian R, Shao A, Tabarsi E, Chung RS, Leonor A, Sundaram S, Heck C, Nune G, Liu CY, Kellis S, Lee B. Baseline hippocampal beta band power Is lower in the presence of movement uncertainty. J Neural Eng 2022; 19. [PMID: 35803209 DOI: 10.1088/1741-2552/ac7fb9] [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: 03/30/2022] [Accepted: 07/08/2022] [Indexed: 11/12/2022]
Abstract
Objective This study aimed to characterize hippocampal neural signatures of uncertainty by measuring beta band power in the period prior to movement cue. Approach Participants with epilepsy were implanted with hippocampal depth electrodes for stereo electroencephalographic (SEEG) monitoring. Hippocampal beta (13-30 Hz) power changes have been observed during motor tasks such as the direct reach (DR) and Go/No-Go (GNG) tasks. The primary difference between the tasks is the presence of uncertainty about whether movement should be executed. Previous research on cortical responses to uncertainty has found that baseline beta power changes with uncertainty. SEEG data were sampled throughout phases of the DR and GNG tasks. Beta-band power during the fixation phase was compared between the DR and GNG task using a Wilcoxon rank sum test. This unpaired test was also used to analyze response times from cue to task completion between tasks. Main Results Eight patients who performed both reaching tasks were analyzed in this study. Movement response times in the GNG task were on average 210 milliseconds slower than in the DR task. All patients exhibited a significantly increased response latency in the GNG task compared to the DR task (Wilcoxon rank-sum p-value < 0.001). Six out of eight patients demonstrated statistically significant differences in beta power in single hippocampal contacts between the fixation phases of the GNG and DR tasks. At the group level, baseline beta power was significantly lower in the GNG task than in the DR task (Wilcoxon rank-sum p-value < 0.001). Significance This novel study found that, in the presence of task uncertainty, baseline beta power in the hippocampus is lower than in its absence. This finding implicates movement uncertainty as an important factor in baseline hippocampal beta power during movement preparation.
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Affiliation(s)
- Zachary D Gilbert
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Roberto Martin Del Campo-Vera
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Austin M Tang
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Kuang-Hsuan Chen
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Rinu Sebastian
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Arthur Shao
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Emiliano Tabarsi
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Ryan S Chung
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Andrea Leonor
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Shivani Sundaram
- Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Christi Heck
- Neurorestoration Center and Department of Neurology, University of Southern California Keck School of Medicine, 2051 Marengo Street, Los Angeles, California, 90033, UNITED STATES
| | - George Nune
- Neurorestoration Center and Department of Neurology, University of Southern California Keck School of Medicine, 2051 Marengo Street, Los Angeles, California, 90033, UNITED STATES
| | - Charles Y Liu
- Neurorestoration Center and Department of Neurological Surgery and Neurology, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Spencer Kellis
- Neurorestoration Center and Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
| | - Brian Lee
- Neuroresotoration Center and Department of Neurological Surgery, University of Southern California Keck School of Medicine, 1200 N State Street, Los Angeles, California, 90033, UNITED STATES
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Theta but not beta activity is modulated by freedom of choice during action selection. Sci Rep 2022; 12:9115. [PMID: 35650241 PMCID: PMC9160249 DOI: 10.1038/s41598-022-13318-7] [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: 01/28/2022] [Accepted: 05/16/2022] [Indexed: 11/08/2022] Open
Abstract
Large-scale neurophysiological markers of action competition have been almost exclusively investigated in the context of instructed choices, hence it remains unclear whether these markers also apply to free choices. This study aimed to compare the specific brain dynamics underlying instructed and free decisions. Electroencephalography (EEG) was recorded while 31 participants performed a target selection task; the choice relied either on stimulus-response mappings (instructed) or on participants' preferences (free). Choice difficulty was increased by introducing distractors in the informative stimulus in instructed choices, and by presenting targets with similar motor costs in free choices. Results revealed that increased decision difficulty was associated with higher reaction times (RTs) in instructed choices and greater choice uncertainty in free choices. Midfrontal EEG theta (4-8 Hz) power increased with difficulty in instructed choices, but not in free choices. Although sensorimotor beta (15-30 Hz) power was correlated with RTs, it was not significantly influenced by choice context or difficulty. These results suggest that midfrontal theta power may specifically increase with difficulty in externally-driven choices, whereas sensorimotor beta power may be predictive of RTs in both externally- and internally-driven choices.
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