Journal of Motor Behavior最新文献

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Temporal and Spatial Accuracy of Reaching Movements do not Improve Off-line. 触球动作的时间和空间精度在离线状态下没有提高。
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2023-11-26 DOI: 10.1080/00222895.2023.2284786
Amélie Apinis-Deshaies, Jonathan Tremblay, Maxime Trempe
{"title":"Temporal and Spatial Accuracy of Reaching Movements do not Improve Off-line.","authors":"Amélie Apinis-Deshaies, Jonathan Tremblay, Maxime Trempe","doi":"10.1080/00222895.2023.2284786","DOIUrl":"10.1080/00222895.2023.2284786","url":null,"abstract":"<p><p>Consolidation has been associated with performance gains without additional practice (i.e., off-line learning). However, the movement characteristics improving off-line remain poorly understood. To investigate this question, participants were trained to produce a sequence of planar reaching movements toward four different visual targets. The training session with feedback required them to learn the relative time of the movements, the total movement time and aim accurately at each target. The retention test was performed either 10-min or 24-h after. Results revealed that a 24-h consolidation interval did not result in better temporal or spatial accuracy. This finding suggests that off-line learning may be restricted to sequence production tasks in which the different segments must be regrouped (\"chunked\") together to accelerate their execution.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138441625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Motion Analysis of the Mug Transportation Task Through Upper Limb Kinematics. 通过上肢运动学对水杯运输任务进行运动分析
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-03-04 DOI: 10.1080/00222895.2024.2324903
Bruno Freire, Letícia Yolanda Silva, Kalebe Anilton Espindola, Jéssica Roberta de Oliveira da Rocha, Stella Maris Michaelsen
{"title":"Motion Analysis of the Mug Transportation Task Through Upper Limb Kinematics.","authors":"Bruno Freire, Letícia Yolanda Silva, Kalebe Anilton Espindola, Jéssica Roberta de Oliveira da Rocha, Stella Maris Michaelsen","doi":"10.1080/00222895.2024.2324903","DOIUrl":"10.1080/00222895.2024.2324903","url":null,"abstract":"<p><p>The task of transporting objects is a fundamental part of daily living activities. Previous kinematic studies focusing on tasks such as pointing, reach-to-grasp, and drinking have not fully captured the motor behaviors involved in object transportation, including placing a cup on a table or storing items in specific places. Hence, this study aimed to analyze the motor behavior associated with transporting a mug using upper limb kinematic variables. Fifteen healthy adults were instructed to transport an open-handle mug across a table. The kinematic metrics evaluated included object end-error for accuracy, frontal and lateral end-range for precision, movement time, peak velocity, time to peak velocity for control strategy, object path ratio for efficiency, and interjoint coordination. The stability of motor behavior was assessed through a test-retest analysis. The mug transporting task achieved accuracy with a radius <10 mm around the target, a peak velocity of ∼0.4 m/s, a control strategy where acceleration time constituted about 30% of the movement time, and a slightly curved trajectory. The test-retest analysis confirmed stable motor behavior across all kinematic metrics (ICCs > 0.75). Thus, the mug transporting task exhibited unique and stable kinematic characteristics, distinguishing it from non-transport activities and effectively mirroring transporting activities of daily living.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140029419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Motor Control in Parkinson's Disease During the Performance of Multi-Joint Reversal Movements. 帕金森病患者在进行多关节反向运动时的运动控制能力
IF 1.1 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-07-16 DOI: 10.1080/00222895.2024.2350723
Luciane Aparecida Pascucci Sande de Souza, Matheus Batista Nascimento, Artur Souza Dos Santos, Valdeci Carlos Dionisio
{"title":"Motor Control in Parkinson's Disease During the Performance of Multi-Joint Reversal Movements.","authors":"Luciane Aparecida Pascucci Sande de Souza, Matheus Batista Nascimento, Artur Souza Dos Santos, Valdeci Carlos Dionisio","doi":"10.1080/00222895.2024.2350723","DOIUrl":"10.1080/00222895.2024.2350723","url":null,"abstract":"<p><p>We tested if the movement slowness of individuals with Parkinson's disease is related to their decreased ability to generate adequate net torques and linearly coordinate them between joints. This cross-sectional study included ten individuals with Parkinson's disease and ten healthy individuals. They performed planar movements with a reversal over three target distances. We calculated joint kinematics of the elbow and shoulder using spatial orientation. The muscle, interaction, and net torques were integrated into the acceleration/deceleration phases of the fingertip speed. We calculated the linear correlations of those torques between joints. Both groups modulated the elbow and shoulder net torques with target distances. They linearly coupled the production of torques. Both groups did not modulate the interaction torques. The movement slowness in Parkinson's disease was related to the difficulty in generating the appropriate muscle and net torques in the task. The interaction torques do not seem to play any role in movement control.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141629205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Age and Type of Task-Based Impact of Mental Fatigue on Balance: Systematic Review and Meta-Analysis. 基于年龄和任务类型的心理疲劳对平衡的影响:系统回顾与元分析》。
IF 1.1 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-01-08 DOI: 10.1080/00222895.2023.2299706
Abubakar Tijjani Salihu, Keith D Hill, Shapour Jaberzadeh
{"title":"Age and Type of Task-Based Impact of Mental Fatigue on Balance: Systematic Review and Meta-Analysis.","authors":"Abubakar Tijjani Salihu, Keith D Hill, Shapour Jaberzadeh","doi":"10.1080/00222895.2023.2299706","DOIUrl":"10.1080/00222895.2023.2299706","url":null,"abstract":"<p><p>The role of cognition in balance control suggests that mental fatigue may negatively affect balance. However, cognitive involvement in balance control varies with the type or difficulty of the balance task and age. Steady-state balance tasks, such as quiet standing, are well-learned tasks executed automatically through reflex activities controlled by the brainstem and spinal cord. In contrast, novel, and challenging balance tasks, such as proactively controlling balance while walking over rugged terrain or reacting to unexpected external perturbations, may require cognitive processing. Furthermore, individuals with preexisting balance impairments due to aging or pathology may rely on cognitive processes to control balance in most circumstances. This systematic review and meta-analysis investigated the effect of mental fatigue on different types of balance control tasks in young and older adults. A literature search was conducted in seven electronic databases and 12 studies met eligibility criteria. The results indicated that mental fatigue had a negative impact on both proactive (under increased cognitive load) and reactive balance in young adults. In older adults, mental fatigue affected steady-state and proactive balance. Therefore, mentally fatigued older individuals may be at increased risk of a loss of balance during steady-state balance task compared to their younger counterparts.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139378696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Explicit Instruction May Impair the Transfer of Motor Adaptation in an Upper Extremity Motor Task. 明确的指导可能会影响上肢运动任务中运动适应的转移。
IF 1.1 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-07-15 DOI: 10.1080/00222895.2024.2374002
Takehide Kimura, Ryouta Matsuura
{"title":"Explicit Instruction May Impair the Transfer of Motor Adaptation in an Upper Extremity Motor Task.","authors":"Takehide Kimura, Ryouta Matsuura","doi":"10.1080/00222895.2024.2374002","DOIUrl":"10.1080/00222895.2024.2374002","url":null,"abstract":"<p><p>This study focused on explicit instruction and evaluated the differences in task performance between participants who were instructed to employ the change and those who were not. Ninety-three healthy young adults were assigned to the accurate information group (AG; <i>n</i> = 31), misinformation group (MG; <i>n</i> = 31), and non-information group (NG; <i>n</i> = 31). All participants manipulated a mouse to track a moving target on a screen with a cursor. The cursor was rotated to 60° in the clockwise direction from the actual mouse position during the 1st to 5th blocks (i.e., motor adaptation task). Subsequently, in the 6th block (i.e., transfer task), we gradually changed the angle of rotation from 60° to 80° to prevent from noticing the change. Participants in the AG were instructed accurate experimental information. Participants in the MG were instructed that the angle of rotation was 60° during the 1st to 6th blocks. Participants in the NG were instructed to manipulate the cursor movement only. The results indicated that an average error distance in the AG was significantly lower than that in the NG in the 6th block. This study suggested that explicit instruction may impair the transfer of motor adaptation in this setting.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variability of Postural Coordination in Dual-Task Paradigm. 双任务范式中姿势协调的可变性
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2023-07-10 DOI: 10.1080/00222895.2023.2226630
Rezvan Azimi, Behrouz Abdoli, Mohammad Ali Sanjari, Reza Khosrowabadi
{"title":"Variability of Postural Coordination in Dual-Task Paradigm.","authors":"Rezvan Azimi, Behrouz Abdoli, Mohammad Ali Sanjari, Reza Khosrowabadi","doi":"10.1080/00222895.2023.2226630","DOIUrl":"10.1080/00222895.2023.2226630","url":null,"abstract":"<p><p>Postural control is influenced by cognition. In most studies, variability of motor output has been considered regardless of variability in patterns of joint coordination. Uncontrolled manifold framework has been applied to decompose the joint's variance in two components. The first component leaves position of the center of mass in anterior-posterior direction (CoM<sub>AP</sub>) unchanged (V<sub>UCM</sub>) while the second component is in charge of variations of CoM (V<sub>ORT</sub>). In this study, 30 healthy young volunteers were recruited. The experimental protocol consisted of three random conditions: quiet standing on a narrow wooden block without a cognitive task (NB), quiet standing on a narrow wooden block with an easy cognitive task (NBE), and quiet standing on a narrow wooden block with a difficult cognitive task (NBD). Results showed that CoM<sub>AP</sub> sway in NB condition was higher than both NBE and NBD conditions (<i>p</i> = .001). V<sub>ORT</sub> in NB condition was higher than NBE and NBD conditions (<i>p</i> = .003). V<sub>ORT</sub> in NB condition was higher than NBE and NBD conditions (<i>p</i> = .003). V<sub>UCM</sub> was unchanged in all conditions (<i>p</i> = 1.00) and synergy index in NB condition was smaller than NBE and NBD conditions (<i>p</i> = .006). These results showed that postural synergies increased under dual-task conditions.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9757495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Short-Term Novice Archery Training on Reaching Movement Performance and Interlimb Asymmetries. 射箭新手短期培训对伸手动作表现和肢体间不对称的影响
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2023-08-16 DOI: 10.1080/00222895.2023.2245352
Ozkan Beyaz, Virginie Eyraud, Gıyasettin Demirhan, Selcuk Akpinar, Andrzej Przybyla
{"title":"Effects of Short-Term Novice Archery Training on Reaching Movement Performance and Interlimb Asymmetries.","authors":"Ozkan Beyaz, Virginie Eyraud, Gıyasettin Demirhan, Selcuk Akpinar, Andrzej Przybyla","doi":"10.1080/00222895.2023.2245352","DOIUrl":"10.1080/00222895.2023.2245352","url":null,"abstract":"<p><p>Previous studies showed numerous evidence for the interlimb asymmetries in motor performance during arm reaching movements. Furthermore, these interlimb asymmetries have been shown to associate with spatial patterns of hand selection behavior. Importantly, these interlimb asymmetries can be modified systematically by occlusion of visual feedback, or a long-term sports training. In this study, we asked about the effects of a short-term training on interlimb asymmetries. Eighteen healthy young participants underwent a 12-week novice traditional archery training (TAT). Their unimanual dominant and nondominant arm reaching movement performance was assessed before and after TAT. We found that movement accuracy, movement precision, and movement efficiency in the experimental group have all improved significantly as a result of TAT. These improvements were comparable across both arms, thus the interlimb differences in movement performance were not affected by the short-term TAT and remained similar. These results suggest that while short-term training may contribute positively to reaching performance, it is unlikely to have a significant impact on the differences observed between the dominant and nondominant arms. This unique characteristics of dominant and nondominant arm should be taken into consideration when developing targeted sports and rehabilitation programs for athletes or individuals with acute or chronic motor deficits.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10069938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Examining Learner-Controlled Role-Switching in Dyad Practice for the Learning of a Speed Cup-Stacking Task. 对偶练习中学习者控制角色转换对快速叠杯任务学习的影响
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2023-11-17 DOI: 10.1080/00222895.2023.2283538
Molly Brillinger, April Karlinsky, Jae Patterson
{"title":"Examining Learner-Controlled Role-Switching in Dyad Practice for the Learning of a Speed Cup-Stacking Task.","authors":"Molly Brillinger, April Karlinsky, Jae Patterson","doi":"10.1080/00222895.2023.2283538","DOIUrl":"10.1080/00222895.2023.2283538","url":null,"abstract":"<p><p>Dyad practice has proven to be an efficient, and in some cases, a more effective method of promoting motor learning compared to individual practice. Further, providing individuals control over their own or another learner's practice environment has also been shown to be superior for skill learning relative to individuals without control. The purpose of the experiment was to assess learner-controlled role-switching in dyad practice conditions. In dyads, partners either alternated actor and observer roles on a trial-to-trial basis, or under novel learner-controlled conditions wherein either the actor or the observer was given control over when the partners should switch roles. Participants practiced a speed cup-stacking task and learning was assessed in 24-h retention and transfer tests. Although there were no learning differences between dyad conditions, paired learners effectively chose when to switch roles with their partner, without undermining learning. The results also highlight the dynamic nature of dyad practice as the observers chose to switch roles more frequently than the actors, yet both dyad groups adopted comparable switching strategies by alternating roles following relatively 'good' and 'bad' trials. This experiment provides further support for dyad practice as an efficient and effective method of skill learning.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136400043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Relationship of Gastrocnemius-Soleus Muscle Architecture with Balance and Functional Strength in Acute Stroke Patients. 急性脑卒中患者腓肠肌-足底肌结构与平衡和功能强度的关系
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-03-19 DOI: 10.1080/00222895.2024.2329697
Hatice Yakut, Veysel Atilla Ayyıldız, Zülal Bekar, Mustafa Kayan, Süleyman Kutluhan
{"title":"The Relationship of Gastrocnemius-Soleus Muscle Architecture with Balance and Functional Strength in Acute Stroke Patients.","authors":"Hatice Yakut, Veysel Atilla Ayyıldız, Zülal Bekar, Mustafa Kayan, Süleyman Kutluhan","doi":"10.1080/00222895.2024.2329697","DOIUrl":"10.1080/00222895.2024.2329697","url":null,"abstract":"<p><p>Balance and functional impairment could occur due to the weakness of the gastrocsoleus muscles in acute stroke patients. This study was planned to determine the muscle architecture and its relationship to balance and functional strength functional ability in patients with acute stroke. A cross-sectional analysis of 22 stroke patients (68.59 ± 8.16) was performed in this study. Gastrocnemius muscle thickness and cross-sectional area were significantly greater on the non-paretic than on the paretic sides (<i>p</i> = 0.004, <i>p</i> = 0.005, respectively). Partial correlation analysis showed that soleus muscle thickness and cross-sectional area was significantly correlated with Berg Balance Scale, Single Leg Stance Test, Five Times Sit to Stand Test and Tandem test results in the paretic side (<i>r</i> = 0.49-0.77, <i>p</i> < 0.05). The gastrocnemius muscle thickness of the non-paretic side had a significant relationship with balance (<i>r</i> = 0.45-0.65, <i>p</i> < 0.05). The muscle thickness and cross-sectional area of the soleus muscle on the paretic sides was significantly related with the functional strength and balance after stroke. It may be beneficial to develop clinical assessment and intervention programs focusing on distal plantar flexor muscle groups in order to improve the functional status and balance.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140177473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Virtual Reality Upper Limb Rehabilitation Training on Older Adults. 虚拟现实上肢康复训练对老年人的影响。
IF 1.4 4区 心理学
Journal of Motor Behavior Pub Date : 2024-01-01 Epub Date: 2024-01-19 DOI: 10.1080/00222895.2024.2304796
Xiaosong Gu, Zhijun Fan, Heshan Liu, Lingguo Bu, Puhong Li
{"title":"Effect of Virtual Reality Upper Limb Rehabilitation Training on Older Adults.","authors":"Xiaosong Gu, Zhijun Fan, Heshan Liu, Lingguo Bu, Puhong Li","doi":"10.1080/00222895.2024.2304796","DOIUrl":"10.1080/00222895.2024.2304796","url":null,"abstract":"<p><p>Virtual reality has gained more attention in the physical training field, but few studies focus on the effects of VR on older adults. Based on existing study we suggest that VR-based upper limb training might be more effective for older adults and used functional near inferred spectrum and movement analysis to evaluate the effects of VR-based training on older adults. 20 older and 20 youth adults were recruited to perform VR training by extending their upper limb to reaching the objects, and non-VR training as a contrast. Both age-related and task-related differences were found in cortical activation, showing that the VR training has aroused more cortical activation. The older groups have more intensive movement but perform worse in terms of task completion. Both groups performed better in VR, and the difference in the older group was higher.</p>","PeriodicalId":50125,"journal":{"name":"Journal of Motor Behavior","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139492568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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