AIMC Topic: Motor Activity

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Evaluating a Semiautonomous Brain-Computer Interface Based on Conformal Geometric Algebra and Artificial Vision.

Computational intelligence and neuroscience Nov 27, 2019
In this paper, we evaluate a semiautonomous brain-computer interface (BCI) for manipulation tasks. In such a system, the user controls a robotic arm through motor imagery commands. In traditional process-control BCI systems, the user has to provide t...
Imagination Models, Theoretical Female Event-Related Potentials, P300 Young Adult Robotics Motor Activity Biomechanical Phenomena Electroencephalography Mental Fatigue Humans Male Artificial Intelligence Brain Signal Processing, Computer-Assisted Goals Brain-Computer Interfaces Proof of Concept Study
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Improved Transductive Support Vector Machine for a Small Labelled Set in Motor Imagery-Based Brain-Computer Interface.

Computational intelligence and neuroscience Nov 25, 2019
Long and tedious calibration time hinders the development of motor imagery- (MI-) based brain-computer interface (BCI). To tackle this problem, we use a limited labelled set and a relatively large unlabelled set from the same subject for training bas...
Imagination Brain-Computer Interfaces Foot Motor Activity Humans Brain Time Factors Signal Processing, Computer-Assisted Models, Theoretical Hand Support Vector Machine Tongue Electroencephalography Calibration
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Data-driven analyses of motor impairments in animal models of neurological disorders.

PLoS biology Nov 21, 2019
Behavior provides important insights into neuronal processes. For example, analysis of reaching movements can give a reliable indication of the degree of impairment in neurological disorders such as stroke, Parkinson disease, or Huntington disease. T...
Motor Activity Motor Disorders Forelimb Image Processing, Computer-Assisted Rats Disease Models, Animal Stroke Nervous System Diseases Motor Skills Movement Neural Networks, Computer Animals Male
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Profiling movement behaviours in pre-school children: A self-organised map approach.

Journal of sports sciences Nov 7, 2019
Application of machine learning techniques has the potential to yield unseen insights into movement and permits visualisation of complex behaviours and tangible profiles. The aim of this study was to identify profiles of relative motor competence (MC...
Humans Machine Learning Female Cross-Sectional Studies Male Accelerometry Exercise Fitness Trackers Child, Preschool Movement Body Mass Index Motor Activity
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Attribution of intentional agency towards robots reduces one's own sense of agency.

Cognition Oct 29, 2019
In the presence of others, sense of agency (SoA), i.e. the perceived relationship between our own actions and external events, is reduced. The present study aimed at investigating whether the phenomenon of reduced SoA is observed in human-robot inter...
Motor Activity Social Interaction Female Young Adult Adult Male Robotics Intention Psychomotor Performance Humans
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Considerations in using recurrent neural networks to probe neural dynamics.

Journal of neurophysiology Oct 16, 2019
Recurrent neural networks (RNNs) are increasingly being used to model complex cognitive and motor tasks performed by behaving animals. RNNs are trained to reproduce animal behavior while also capturing key statistics of empirically recorded neural ac...
Animals Behavior, Animal Motor Activity Motor Cortex Neural Networks, Computer
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FingerSight: A Vibrotactile Wearable Ring for Assistance With Locating and Reaching Objects in Peripersonal Space.

IEEE transactions on haptics Oct 7, 2019
This paper describes a prototype guidance system, "FingerSight," to help people without vision locate and reach to objects in peripersonal space. It consists of four evenly spaced tactors embedded into a ring worn on the index finger, with a small ca...
Wearable Electronic Devices User-Computer Interface Motor Activity Space Perception Humans Artificial Intelligence Adult Touch Perception Blindness Personal Space Self-Help Devices
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The sense of agency in human-human vs human-robot joint action.

Consciousness and cognition Sep 24, 2019
Kinesthesis pertains to the perception of moving body parts, while the sense of agency refers to the experience of controlling one's action-effects. Based on previous work, we hypothesized that the sense of agency would decrease in joint action with ...
Psychomotor Performance Motor Activity Cooperative Behavior Touch Perception Male Time Factors Robotics Intention Humans Female Adult
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When robots tell you what to do: Sense of agency in human- and robot-guided actions.

Consciousness and cognition Sep 18, 2019
The present study investigated the sense of agency (SoA) when actions were determined by another human vs. a humanoid robot as compared to when freely selected. Additionally, perceived robot-autonomy was manipulated via autonomous vs. non-autonomous ...
Psychomotor Performance Male Motor Activity Robotics Volition Intention Humans Female Adult
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Multi optimized SVM classifiers for motor imagery left and right hand movement identification.

Australasian physical & engineering sciences in medicine Aug 30, 2019
EEG signal can be a good alternative for disabled persons who cannot perform actions or perform them improperly. Brain computer interface (BCI) is an attractive technology which permits control and interaction with a computer or a machine using EEG s...
Signal Processing, Computer-Assisted Hand Brain-Computer Interfaces Task Performance and Analysis Movement Motor Activity Imagery, Psychotherapy Humans Support Vector Machine Electroencephalography
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