AIMC Topic: Fingers

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Biohybrid hand actuated by multiple human muscle tissues.

Science robotics Feb 12, 2025
Cultured muscle tissue serves as a power source in biohybrid robots that demonstrate diverse motions. However, current designs typically only drive simple substrates on a small scale, limiting flexibility and controllability. To address this, we prop...
Humans Equipment Design Hand Fingers Muscle Contraction Biomechanical Phenomena Muscle, Skeletal Robotics
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Simultaneous Isotropic Omnidirectional Hypersensitive Strain Sensing and Deep Learning-Assisted Direction Recognition in a Biomimetic Stretchable Device.

Advanced materials (Deerfield Beach, Fla.) Jan 31, 2025
Omnidirectional strain sensing and direction recognition ability are features of the human tactile sense, essential to address the intricate and dynamic requirements of real-world applications. Most of the current strain sensors work by converting un...
Biomimetics Stress, Mechanical Fingers Biomimetic Materials Humans Deep Learning Wearable Electronic Devices
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Surmounting the ceiling effect of motor expertise by novel sensory experience with a hand exoskeleton.

Science robotics Jan 15, 2025
For trained individuals such as athletes and musicians, learning often plateaus after extensive training, known as the "ceiling effect." One bottleneck to overcome it is having no prior physical experience with the skill to be learned. Here, we chall...
Transcranial Magnetic Stimulation Music Motor Skills Movement Exoskeleton Device Muscle, Skeletal Young Adult Robotics Adult Range of Motion, Articular Equipment Design Male Fingers Hand Humans Electromyography Learning Female
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An ANN models cortical-subcortical interaction during post-stroke recovery of finger dexterity.

Journal of neural engineering Nov 15, 2024
Finger dexterity, and finger individuation in particular, is crucial for human movement, and disruptions due to brain injury can significantly impact quality of life. Understanding the neurological mechanisms responsible for recovery is vital for eff...
Stroke Rehabilitation Motor Cortex Pyramidal Tracts Stroke Fingers Motor Skills Humans Neural Networks, Computer Models, Neurological Recovery of Function
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Artificial Tactile Sensory Finger for Contact Pattern Identification Based on High Spatiotemporal Piezoresistive Sensor Array.

ACS applied materials & interfaces Oct 28, 2024
Human fingertip tactile perception relies on the activation of densely distributed tactile receptors to identify contact patterns in the brain. Despite significant efforts to integrate tactile sensors with machine learning algorithms for recognizing ...
Fingers Touch Humans Neural Networks, Computer Wearable Electronic Devices
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Identification of Spared and Proportionally Controllable Hand Motor Dimensions in Motor Complete Spinal Cord Injuries Using Latent Manifold Analysis.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society Oct 9, 2024
The loss of bilateral hand function is a debilitating challenge for millions of individuals that suffered a motor-complete spinal cord injury (SCI). We have recently demonstrated in eight tetraplegic individuals the presence of highly functional spar...
Adult Movement Algorithms Male Exoskeleton Device Hand Strength Female Middle Aged Humans Electromyography Quadriplegia Muscle, Skeletal Young Adult Neural Networks, Computer Fingers Hand Artificial Intelligence Spinal Cord Injuries
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Visual Feature-Guided Diamond Convolutional Network for Finger Vein Recognition.

Sensors (Basel, Switzerland) Sep 20, 2024
Finger vein (FV) biometrics have garnered considerable attention due to their inherent non-contact nature and high security, exhibiting tremendous potential in identity authentication and beyond. Nevertheless, challenges pertaining to the scarcity of...
Neural Networks, Computer Algorithms Humans Biometric Identification Databases, Factual Veins Image Processing, Computer-Assisted Fingers
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Hyperspectral imaging with deep learning for quantification of tissue hemoglobin, melanin, and scattering.

Journal of biomedical optics Sep 6, 2024
SIGNIFICANCE: Hyperspectral cameras capture spectral information at each pixel in an image. Acquired spectra can be analyzed to estimate quantities of absorbing and scattering components, but the use of traditional fitting algorithms over megapixel i...
Melanins Monte Carlo Method Scattering, Radiation Neural Networks, Computer Algorithms Deep Learning Hyperspectral Imaging Fingers Image Processing, Computer-Assisted Hemoglobins Humans
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Soft pneumatic actuators for pushing fingers into extension.

Journal of neuroengineering and rehabilitation Aug 30, 2024
BACKGROUND: Compliant pneumatic actuators possess many characteristics that are desirable for wearable robotic systems. These actuators can be lightweight, integrated with clothing, and accommodate uncontrolled degrees of freedom. These attributes ar...
Finite Element Analysis Robotics Humans Equipment Design Fingers Biomechanical Phenomena Exoskeleton Device Wearable Electronic Devices
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Towards higher load capacity: innovative design of a robotic hand with soft jointed structure.

Bioinspiration & biomimetics Aug 29, 2024
In this paper, the innovative design of a robotic hand with soft jointed structure is carried out and a tendon-driven mechanism, a master-slave motor coordinated drive mechanism, a thumb coupling transmission mechanism and a thumb steering mechanism ...
Models, Biological Biomimetics Robotics Tendons Humans Equipment Design Fingers Hand Strength Hand
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