Article
Behavioral Sciences
Marie Martel, Scott Glover
Summary: This study suggests a functional dissociation between motor imagery and overt action, and highlights the importance of executive resources in motor imagery. Impairing the function of the dorsolateral prefrontal cortex slows down motor imagery, while overt actions remain unaffected.
BEHAVIOURAL BRAIN RESEARCH
(2023)
Article
Clinical Neurology
Elisabetta Sarasso, Federica Agosta, Noemi Piramide, Andrea Gardoni, Elisa Canu, Michela Leocadi, Veronica Castelnovo, Silvia Basaia, Andrea Tettamanti, Maria Antonietta Volonte, Massimo Filippi
Summary: Dual-task gait/balance training combined with action observation training and motor imagery can lead to improved mobility, balance, and executive functions in PD patients with postural instability and gait disorders. This combined training also promotes specific functional reorganization in brain areas involved in motor control, leading to long-lasting effects on dual-task mobility and balance.
MOVEMENT DISORDERS
(2021)
Article
Neurosciences
Helen O'Shea
Summary: This study utilizes multidimensional modeling to examine the neurocognitive characteristics of four action-related behaviors. The findings suggest that action execution is most similar to concurrent action observation and motor imagery, while action execution is least similar to action observation. Most action types share similarities in at least one neurocognitive dimension, except for action-related language.
FRONTIERS IN HUMAN NEUROSCIENCE
(2022)
Article
Neurosciences
Prosper A. Fiave, Koen Nelissen
Summary: Observing others performing motor acts can elicit neural responses in the observer's motor network, with viewpoint and observed effector identity potentially influencing lateralization effects. While conflicting results exist, it is still unclear how these factors modulate motor resonance effects in the monkey brain.
Article
Psychology, Applied
Siel Depestele, Kim van Dun, Stefanie Verstraelen, Veerle Ross, Sybren Van Hoornweder, Kris Brijs, Tom Brijs, Raf Meesen
Summary: Driving is a complex activity that requires the coordination of motor behavior and cognitive information processing. Dual-tasking, especially when the subtasks require similar neural resources, can lead to performance decrements. This study examined the neural correlates of dual-task driving in different age groups and found that older adults experienced a greater decrease in steering precision when combining a visuomotor dual-task. Additionally, the increase in mid-frontal theta power, indicating the recruitment of mental resources, was less prominent in middle-aged and older adults, which may suggest a plateau effect in mental resource saturation.
TRANSPORTATION RESEARCH PART F-TRAFFIC PSYCHOLOGY AND BEHAVIOUR
(2023)
Article
History & Philosophy Of Science
Gabriele Ferretti
Summary: A crucial question in contemporary philosophy of perception is how we become aware of action properties. The perceptual view suggests that we see them consciously, but faces problems. The author proposes an alternative view involving visuomotor imagery, which offers an explanation for our awareness of action properties without the issues faced by the perceptual view.
Article
Clinical Neurology
Eunkyung Kim, Woo Hyung Lee, Han Gil Seo, Hyung Seok Nam, Yoon Jae Kim, Min-Gu Kang, Moon Suk Bang, Sungwan Kim, Byung-Mo Oh
Summary: This study aimed to investigate the functional connectivity differences between visual motor imagery, kinesthetic motor imagery, and motor execution of target-oriented grasping action of the right hand. The findings showed that there were overlapping frontoparietal and temporal connections during the three conditions. However, specific connections were observed in the left cuneus and superior frontal area during visual and kinesthetic motor imageries, respectively. Multi-voxel pattern analyses revealed distinct connectivity patterns within the right cerebellum and left lingual area for each condition. Seed regions in the left supplementary motor area also showed significant connectivity patterns across the three conditions, particularly involving the right putamen and thalamus.
Article
Behavioral Sciences
Samantha Chye, Ashika Chembila Valappil, David J. Wright, Cornelia Frank, David A. Shearer, Christopher J. Tyler, Ceri E. Diss, Omar S. Mian, Neale A. Tillin, Adam M. Bruton
Summary: Motor simulation interventions involving AOMI have a positive effect on corticospinal excitability and motor skill performance, but no effect on MI. These results are important for the existing literature on motor simulation and skill acquisition.
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
(2022)
Article
Neurosciences
Yumna Ali, Veronica Montani, Paola Cesari
Summary: The study investigates the role of tactile information and its neural substrates in controlling action using motor and sensory components. Motor-evoked potentials (MEPs) were observed to increase when imagined actions were performed with tactile stimulation, indicating a facilitatory effect of touch on the motor system. The motor system's activity was scaled based on the force required, and this effect was specific to the body part involved in the imagined action. Interestingly, there was a positive correlation between participants' ratings of imagery vividness and motor system activation, suggesting a link between accurate scaling of MEPs and strong visualization abilities.
Article
Clinical Neurology
Marialuisa Gandolfi, Mirta Fiorio, Christian Geroin, Paolo Torneri, Zoe Menaspa, Nicola Smania, Nir Giladi, Michele Tinazzi
Summary: Functional gait disorders (FGDs) are disabling symptoms of Functional Motor Disorders. Our study aimed to investigate the effect of different dual task paradigms on spatio-temporal gait parameters in FGDs. The results showed that FGDs patients had poorer gait performance and less automaticity and steadiness compared to healthy controls. However, dual tasking affected gait performance but not automaticity and steadiness in FGDs.
PARKINSONISM & RELATED DISORDERS
(2023)
Article
Robotics
Ming Sun, Yue Gao
Summary: This article introduces the challenges that intelligent service robots face in performing tasks and proposes a knowledge representation framework suitable for unstructured environments. By modeling the relationship among grasping tools, actions, and target objects, the algorithm GATER is presented, and its effectiveness is demonstrated through experiments.
IEEE ROBOTICS AND AUTOMATION LETTERS
(2022)
Review
Psychology, Multidisciplinary
Lari Vainio, Martti Vainio
Summary: Recent evidence suggests that there are symbolic connections between specific sounds in language and physical actions, with some widely known sound symbolism phenomena partially based on sensorimotor grounding. The meaning of suprasegmental speech elements is also often linked to specific body movements, indicating that sound symbolism, prosody, and body gestures might originate from the same embodied mechanisms.
FRONTIERS IN PSYCHOLOGY
(2021)
Article
Computer Science, Information Systems
Yanxia Wang, Hu Shi, Renjie Wang
Summary: In this study, we propose the ADMME method for extracting and learning features from micro-expressions. Our model utilizes a pseudo-siamese network architecture and contrastive learning to improve the representation of micro-expression motion features. To address class imbalance, we employ focal loss during model training. Additionally, we introduce an AU detection task to enhance the model's generalization and robustness. Experimental results on CASMEII and SAMM datasets demonstrate the effectiveness of our method in micro-expression recognition tasks. Ablation experiments further validate the effectiveness of each component.
Article
Hospitality, Leisure, Sport & Tourism
S. Romano-Smith, J. W. Roberts, G. Wood, G. Coyles, C. J. Wakefield
Summary: Combining the motor simulation techniques of action observation and motor imagery (AOMI) has been shown to enhance motor performance. This study examined the involvement of lower-level sensorimotor processes in the improvement of a dart-throwing task using AOMI. Results showed that simultaneous and alternate congruent groups had significantly improved dart-throwing performance compared to control groups. This improvement was accompanied by lower EMG activity, suggesting greater movement efficiency. AOMI involves a common lower-level sensorimotor process that can lead to motor facilitation or interference, depending on the congruency of the simulation techniques, regardless of the delivery structure.
PSYCHOLOGY OF SPORT AND EXERCISE
(2022)
Article
Chemistry, Multidisciplinary
Meiyan Xu, Junfeng Yao, Hualiang Ni
Summary: This study focuses on an effective attention mechanism for learning EEG motor imagery features in a subject-independent set, using a custom form of sequence inputs with spatial and temporal dimensions via deep convolution net (DHDANet). The proposed model simultaneously learns temporal and spatial features, achieving an average accuracy of 75.52% in classifying left and right hand motor imagery compared to state-of-the-art methods. Visualization of the frequency analysis method shows that the temporal-convolution and spectral-attention can identify the ERD for EEG-MI, enabling significant progress in BMI transfer learning.
APPLIED SCIENCES-BASEL
(2021)