Results 211 to 220 of about 6,105,349 (242)
Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract
Advanced Robotics Research, EarlyView.We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis +7 more
wiley +1 more source
Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations
Advanced Robotics Research, EarlyView.Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley +1 more source
Advanced Robotics Research, EarlyView.This study explores how information processing is distributed between brains and bodies through a codesign approach. Using the “backpropagation through soft body” framework, brain–body coupling agents are developed and analyzed across several tasks in which output is generated through the agents’ physical dynamics.
Hiroki Tomioka +3 more
wiley +1 more source
Multimodal Human–Robot Interaction Using Human Pose Estimation and Local Large Language Models
Advanced Robotics Research, EarlyView.A multimodal human–robot interaction framework integrates human pose estimation (HPE) and a large language model (LLM) for gesture‐ and voice‐based robot control. Speech‐to‐text (STT) enables voice command interpretation, while a safety‐aware arbitration mechanism prioritizes gesture input for rapid intervention.
Nasiru Aboki +2 more
wiley +1 more source
Dynamic Properties of Functional Connectivity in the Rodent [PDF]
Brain Connectivity, 2013 Functional connectivity mapping with resting-state magnetic resonance imaging (MRI) has become an immensely powerful technique that provides insight into both normal cognitive function and disruptions linked to neurological disorders. Traditionally, connectivity is mapped using data from an entire scan (minutes), but it is well known that cognitive ...
Shella Keilholz +2 more
exaly +4 more sources
Impact of anesthesia on static and dynamic functional connectivity in mice [PDF]
NeuroImage, 2021 Abstract A few studies have compared the static functional connectivity between awake and anaesthetized states in rodents by resting-state fMRI. However, impact of anaesthesia on static and dynamic fluctuations in functional connectivity has not been fully understood. Here, we developed a resting-state fMRI protocol to perform awake and
Tomokazu Tsurugizawa
exaly +5 more sources
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Equilibrium distribution functions: connection with microscopic dynamics
Physical Chemistry Chemical Physics, 2022For a system at equilibrium the phase space density is time invariant. We determine what distribution, if any, is preserved by various dynamics.
Charlotte F. Petersen, Debra J. Searles
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Brain instability in dynamic functional connectivity in schizophrenia
Journal of Neural Transmission, 2022Schizophrenia is a severe psychiatric disorder associated with altered connectivity of brain functional networks (BFNs). Researchers have observed a profound disruption in prefrontal-temporal interactions, damage to hub regions in brain networks and modified topological organization of BFNs in schizophrenia (SCZ) individuals.
Thaise Graziele L. de O. Toutain +3 more
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Association Between Dynamic Functional Connectivity and Intelligence
2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI), 2020Several studies have explored the relationship between intelligence and neuroimaging features. However, little is known about whether the temporal variations of functional connectivity of the brain regions at rest are relevant to the differences in intelligence.
Mahnaz Ashrafi, Hamid Soltanian-Zadeh
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Dynamic functional connectivity
Current Opinion in Neurobiology, 2007Recent studies show that anatomical and functional brain networks exhibit similar small-world properties. However, the networks that are compared often differ in what the nodes represent (e.g. sensors or brain areas), what kind of connectivity is measured, and what temporal and spatial scales are probed.
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