Samit Chakrabarty
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View article: Effectiveness of Electrical Stimulation on Upper Limb Function in Children and Young People with Hemiplegic Cerebral Palsy: A Systematic Review
Effectiveness of Electrical Stimulation on Upper Limb Function in Children and Young People with Hemiplegic Cerebral Palsy: A Systematic Review Open
Objectives: This review seeks to evaluate the effectiveness of electrical stimulation (ES) in improving upper limb function in children and young people (CYP) with hemiplegic cerebral palsy (HCP). Methods: A systematic literature search fr…
View article: A non-invasive, quantitative method for detection of muscle fatigue and neural mechanism of compensation during muscle fatigue
A non-invasive, quantitative method for detection of muscle fatigue and neural mechanism of compensation during muscle fatigue Open
Muscle fatigue is less studied in dynamic tasks than in isometric contractions. We analysed muscle activity (sEMG) parameters (Median Frequency and Root Mean Square) during 4 sets of dynamic (15 curls/30s) and static (30s hold at 90° elbow…
View article: Rethinking Grey Wolf Optimization for Clustering: A Lightweight, Data-Guided Approach
Rethinking Grey Wolf Optimization for Clustering: A Lightweight, Data-Guided Approach Open
View article: Rethinking Grey Wolf Optimization for Clustering: A Lightweight, Data-Guided Approach
Rethinking Grey Wolf Optimization for Clustering: A Lightweight, Data-Guided Approach Open
View article: Novel Design on Knee Exoskeleton with Compliant Actuator for Post-Stroke Rehabilitation
Novel Design on Knee Exoskeleton with Compliant Actuator for Post-Stroke Rehabilitation Open
Knee joint disorders pose a significant and growing challenge to global healthcare systems. Recent advancements in robotics, sensing technologies, and artificial intelligence have driven the development of robot-assisted therapies, reducin…
View article: Progressive-Learning-Based Assist-as-Needed Control for Ankle Rehabilitation
Progressive-Learning-Based Assist-as-Needed Control for Ankle Rehabilitation Open
This paper proposes a progressive learning based assist-as-needed (AAN) control scheme for ankle rehabilitation. To quantify the training performance, a fuzzy logic (FL) system is established to generate a holistic metric based on multiple…
View article: How can innovative design strategies in biotechnology address biocompatibility and signal processing challenges in next-generation bioelectronic interfaces?
How can innovative design strategies in biotechnology address biocompatibility and signal processing challenges in next-generation bioelectronic interfaces? Open
Biotechnology, with its vast potential, is poised to revolutionize fields ranging from medicine and healthcare to environmental sensing. Central to this revolution are bio-interfaces, which include both electrical and non-electrical interv…
View article: Can we accurately bridge neurobiology to brain-inspired AGI to effectively emulate the human brain?
Can we accurately bridge neurobiology to brain-inspired AGI to effectively emulate the human brain? Open
Artificial intelligence (AI) has always drawn inspiration from the brain, from its most basic forms like nodes and layers to more recent advances that mimic individual neurons and various aspects of visual and sensory processing.
View article: How can robust testing, validation processes, and ethical considerations ensure the safety, effectiveness, and necessity of biotechnological devices in transforming neurological rehabilitation?
How can robust testing, validation processes, and ethical considerations ensure the safety, effectiveness, and necessity of biotechnological devices in transforming neurological rehabilitation? Open
View article: Stretchable surface electromyography electrode array patch for tendon location and muscle injury prevention
Stretchable surface electromyography electrode array patch for tendon location and muscle injury prevention Open
View article: Understanding Freezing Of Gait (UnFOG) : A scale for measuring and subtyping FOG
Understanding Freezing Of Gait (UnFOG) : A scale for measuring and subtyping FOG Open
Freezing of gait (FOG) is a common and debilitat ing symptom in individuals with Parkinson’s disease (PD), often leading to falls. Its incidence and severity vary significantly, even among people with identical disease profiles. This varia…
View article: Acute Effects of Strength and Skill Training on the Cortical and Spinal Circuits of Contralateral Limb
Acute Effects of Strength and Skill Training on the Cortical and Spinal Circuits of Contralateral Limb Open
Unilateral strength and skill training increase strength and performance in the contralateral untrained limb, a phenomenon known as cross-education. Recent evidence suggests that similar neural mechanisms might be responsible for the incre…
View article: A Simplified Model of Motor Control
A Simplified Model of Motor Control Open
In general, the control of human movement is considered to be either cortical, spinal, or purely biomechanical and is studied separately at these levels. To achieve this separation when studying a particular level, variations that may be i…
View article: Spinal facilitation of descending motor input
Spinal facilitation of descending motor input Open
Highly varying patterns of electrostimulation (Dynamic Stimulation, DS) delivered to the dorsal cord through an epidural array with 18 independent electrodes transiently facilitate corticospinal motor responses, even after spinal injury. T…
View article: Simplified Markerless Stride Detection Pipeline (sMaSDP) for Surface EMG Segmentation
Simplified Markerless Stride Detection Pipeline (sMaSDP) for Surface EMG Segmentation Open
To diagnose mobility impairments and select appropriate physiotherapy, gait assessment studies are often recommended. These studies are usually conducted in confined clinical settings, which may feel foreign to a subject and affect their m…
View article: COMBATING SARS-COV-2: A COMPARISON BETWEEN MRNA VACCINES AND KILLED WHOLE CELL VACCINES
COMBATING SARS-COV-2: A COMPARISON BETWEEN MRNA VACCINES AND KILLED WHOLE CELL VACCINES Open
The ongoing pandemic of COVID-19 has created havoc in the world.With over 190 million COVID-19 cases worldwide, scientists are racing towards developing vaccines for Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), the etiolog…
View article: Simplified markerless stride detection pipeline (sMaSDP) for surface EMG segmentation
Simplified markerless stride detection pipeline (sMaSDP) for surface EMG segmentation Open
People with mobility impairments are often recommended for gait assessment studies to diagnose their condition and to select appropriate physiotherapy to improve their mobility. These studies are often conducted in clinical or lab settings…
View article: How do we overcome the current limitations of environmental bioelectronic sensors?
How do we overcome the current limitations of environmental bioelectronic sensors? Open
There are a number of concerns with the use of bioelectronic sensors for environmental monitoring: 1. Durability: Bioelectronic sensors can be vulnerable to physical damage and degradation from exposure to harsh environmental conditions. 2…
View article: How do we ensure that bioelectronic devices revolutionize medicine and healthcare?
How do we ensure that bioelectronic devices revolutionize medicine and healthcare? Open
While bioelectronic devices hold great promise in revolutionizing medicine and healthcare, they also face numerous challenges that must be overcome (you can add some references from above here). This includes improving the longevity and sa…
View article: How do we overcome the current limitations of bioelectronic sensors used in healthcare and medicine?
How do we overcome the current limitations of bioelectronic sensors used in healthcare and medicine? Open
There are several concerns with the use of bioelectronic sensors for healthcare applications, including: 1. Implantation: Bioelectronic sensors that are implanted into the body can cause discomfort, infection, and scarring, and they can al…
View article: How do we ensure safety and effectiveness of bioelectronic devices and judge when they are truly necessary for the rehabilitation of neurological conditions?
How do we ensure safety and effectiveness of bioelectronic devices and judge when they are truly necessary for the rehabilitation of neurological conditions? Open
Bioelectronics have been gaining popularity in recent years due to their potential use in the field of neurorehabilitation. The aim is to use these technologies to help individuals recover from various neurological conditions such as strok…
View article: Is neuromorphic computing disruptive enough to 1) advance our understanding of the brain and 2) make the design and working of (bio)electronic devices efficient and scalable?
Is neuromorphic computing disruptive enough to 1) advance our understanding of the brain and 2) make the design and working of (bio)electronic devices efficient and scalable? Open
Neuromorphic computing is an approach to computing that is inspired by the structure and function of the brain. In terms of basic research, it aims at improving our understanding of biological intelligence by replicating aspects of its phy…
View article: A Simplified Model of Motor Control
A Simplified Model of Motor Control Open
In general, control of movement is considered to be either cortical, spinal, or purely biomechanical and is studied separately at these levels. To achieve this separation when studying a particular level, variations that may be introduced …
View article: Evaluating Muscle Synergies With EMG Data and Physics Simulation in the Neurorobotics Platform
Evaluating Muscle Synergies With EMG Data and Physics Simulation in the Neurorobotics Platform Open
Although we can measure muscle activity and analyze their activation patterns, we understand little about how individual muscles affect the joint torque generated. It is known that they are controlled by circuits in the spinal cord, a syst…
View article: Caudal–Rostral Progression of Alpha Motoneuron Degeneration in the SOD1G93A Mouse Model of Amyotrophic Lateral Sclerosis
Caudal–Rostral Progression of Alpha Motoneuron Degeneration in the SOD1G93A Mouse Model of Amyotrophic Lateral Sclerosis Open
Mice with transgenic expression of human SOD1G93A are a widely used model of ALS, with a caudal–rostral progression of motor impairment. Previous studies have quantified the progression of motoneuron (MN) degeneration based on size, even t…
View article: Evaluating Muscle Synergies with EMG Data and Physics Simulation in the Neurorobotics Platform
Evaluating Muscle Synergies with EMG Data and Physics Simulation in the Neurorobotics Platform Open
Although we can measure muscle activity and analyze their activation patterns, we understand little about how individual muscles affect the joint torque generated. It is known that they are controlled by circuits in the spinal cord, a syst…
View article: The effect of limb position on a static knee extension task can be explained with a simple spinal cord circuit model
The effect of limb position on a static knee extension task can be explained with a simple spinal cord circuit model Open
The role of sensory feedback in motor control when limbs are held in a fixed position is disputed. We performed a novel experiment involving fixed position tasks based on two common clinical tests. We identified patterns of muscle activity…
View article: Heterogeneity in form and function of the rat extensor digitorum longus motor unit
Heterogeneity in form and function of the rat extensor digitorum longus motor unit Open
The motor unit comprises a variable number of muscle fibres that connect through myelinated nerve fibres to a motoneuron (MN), the central drivers of activity. At the simplest level of organisation there exist phenotypically distinct MNs t…
View article: Planning to Minimize the Human Muscular Effort during Forceful Human-Robot Collaboration
Planning to Minimize the Human Muscular Effort during Forceful Human-Robot Collaboration Open
This work addresses the problem of planning a robot configuration and grasp to position a shared object during forceful human-robot collaboration, such as a puncturing or a cutting task. Particularly, our goal is to find a robot configurat…
View article: The Effect of Sound and Stimulus Expectation on Transcranial Magnetic Stimulation-Elicited Motor Evoked Potentials
The Effect of Sound and Stimulus Expectation on Transcranial Magnetic Stimulation-Elicited Motor Evoked Potentials Open
The amplitude of motor-evoked potentials (MEPs) elicited by transcranial magnetic stimulation (TMS) over the motor cortex is influenced by multiple factors. TMS delivery is accompanied by an abrupt clicking noise which can induce a startle…