AIMC Topic: Adaptation, Physiological

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Locomotion Control With Frequency and Motor Pattern Adaptations.

Frontiers in neural circuits Nov 25, 2021
Existing adaptive locomotion control mechanisms for legged robots are usually aimed at one specific type of adaptation and rarely combined with others. Adaptive mechanisms thus stay at a conceptual level without their coupling effect with other mecha...
Insecta Locomotion Adaptation, Physiological Animals Robotics Walking
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Nonlinear time delay estimation based model reference adaptive impedance control for an upper-limb human-robot interaction.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Nov 1, 2021
A nonlinear Time Delay Estimation (TDE) based model reference adaptive impedance controller was developed for Tarbiat Modares University Upper Limbs Rehabilitation Robot (TUERR). The proposed controller uses a stable reference impedance model, which ...
Electric Impedance Mechanical Phenomena Upper Extremity Adaptation, Physiological Humans Robotics
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Brain oscillatory correlates of visuomotor adaptive learning.

NeuroImage Oct 21, 2021
Sensorimotor adaptation involves the recalibration of the mapping between motor command and sensory feedback in response to movement errors. Although adaptation operates within individual movements on a trial-to-trial basis, it can also undergo learn...
Psychomotor Performance Movement Adaptation, Physiological Motor Cortex Brain Mapping Electroencephalography Healthy Volunteers Cortical Synchronization Humans Machine Learning Learning Male Prefrontal Cortex Female Adult
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How adaptation, training, and customization contribute to benefits from exoskeleton assistance.

Science robotics Sep 29, 2021
Exoskeletons can enhance human mobility, but we still know little about why they are effective. For example, we do not know the relative importance of training, how much is required, or what type is most effective; how people adapt with the device; o...
Exoskeleton Device Adaptation, Physiological Torque Ankle Joint Ankle Male Muscle, Skeletal Robotics Walking Gait Equipment Design Electromyography Young Adult Adult Biomechanical Phenomena Humans Female
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A cerebellar-based solution to the nondeterministic time delay problem in robotic control.

Science robotics Sep 8, 2021
The presence of computation and transmission-variable time delays within a robotic control loop is a major cause of instability, hindering safe human-robot interaction (HRI) under these circumstances. Classical control theory has been adapted to coun...
Movement Man-Machine Systems Adaptation, Physiological Nonlinear Dynamics Spain Motor Skills Equipment Design Internet Neural Networks, Computer Cerebellum Learning Torque User-Computer Interface Models, Neurological Robotics
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Modeling learner-controlled mental model learning processes by a second-order adaptive network model.

PloS one Aug 24, 2021
Learning knowledge or skills usually is considered to be based on the formation of an adequate internal mental model as a specific type of mental network. The learning process for such a mental model conceptualised as a mental network, is a form of (...
Humans Neural Networks, Computer Learning Models, Psychological Adaptation, Physiological Models, Statistical Automobile Driving
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Centered Multi-Task Generative Adversarial Network for Small Object Detection.

Sensors (Basel, Switzerland) Jul 31, 2021
Despite the breakthroughs in accuracy and efficiency of object detection using deep neural networks, the performance of small object detection is far from satisfactory. Gaze estimation has developed significantly due to the development of visual sens...
Adaptation, Physiological Neural Networks, Computer Research Design Image Processing, Computer-Assisted Humans
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Machine learning reveals mesenchymal breast carcinoma cell adaptation in response to matrix stiffness.

PLoS computational biology Jul 23, 2021
Epithelial-mesenchymal transition (EMT) and its reverse process, mesenchymal-epithelial transition (MET), are believed to play key roles in facilitating the metastatic cascade. Metastatic lesions often exhibit a similar epithelial-like state to that ...
Adaptation, Physiological Humans Machine Learning Biomarkers, Tumor Cell Line, Tumor Female Tumor Microenvironment Models, Biological Vimentin Neoplasm Metastasis Cell Adhesion Cell Shape Antigens, CD Extracellular Matrix Computational Biology Cell Count Biophysical Phenomena Triple Negative Breast Neoplasms Epithelial-Mesenchymal Transition Cell Proliferation Cadherins
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Motor adaptation via distributional learning.

Journal of neural engineering May 24, 2021
. Both artificial and biological controllers experience errors during learning that are probabilistically distributed. We develop a framework for modeling distributions of errors and relating deviations in these distributions to neural activity.. The...
Humans Artificial Intelligence Learning Hand Strength Adaptation, Physiological Reinforcement, Psychology
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On the Unfounded Enthusiasm for Soft Selective Sweeps III: The Supervised Machine Learning Algorithm That Isn't.

Genes Apr 5, 2021
In the last 15 years or so, soft selective sweep mechanisms have been catapulted from a curiosity of little evolutionary importance to a ubiquitous mechanism claimed to explain most adaptive evolution and, in some cases, most evolution. This transfor...
Algorithms Evolution, Molecular Genome, Human Selection, Genetic Humans Artificial Intelligence Machine Learning Adaptation, Physiological Genetics, Population Genetic Drift
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