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| http://dx.doi.org/10.47626/1516-4446-2022-2870 | DOI Listing |
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The basic theory and application of the mirror neuron system in dysphagia after stroke.
Behav Brain Res
January 2025
Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China. Electronic address:
The discovery of the brain's mirror neuron system enables researchers to gain a deeper understanding of social cognitive activities from the level of neural mechanisms. Mirror neurons are situated in bilateral brain regions, overlapping with the swallowing neural network, and there are complex network pathways connecting the two. Repeatedly inducing the activation of mirror neurons in stroke patients can enhance the brain's ability to relearn its original swallowing function, and then restore the swallowing neural network.
View Article and Find Full Text PDFIn vivo calcium imaging reveals directional sensitivity of C-low threshold mechanoreceptors.
J Physiol
January 2025
School of Life Sciences, The University of Nottingham, Queen's Medical Centre, Nottingham, UK.
C-low threshold mechanoreceptors (C-LTMRs) in animals (termed C-tactile (CT) fibres in humans) are a subgroup of C-fibre primary afferents, which innervate hairy skin and respond to low-threshold punctate indentations and brush stimuli. These afferents respond to gentle touch stimuli and are implicated in mediating pleasant/affective touch. These afferents have traditionally been studied using low-throughput, technically challenging approaches, including microneurography in humans and teased fibre electrophysiology in other mammals.
View Article and Find Full Text PDFPopulation encoding of observed and actual somatosensations in the human posterior parietal cortex.
Proc Natl Acad Sci U S A
January 2025
Department of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125.
Cognition relies on transforming sensory inputs into a generalizable understanding of the world. Mirror neurons have been proposed to underlie this process, mapping visual representations of others' actions and sensations onto neurons that mediate our own, providing a conduit for understanding. However, this theory has limitations.
View Article and Find Full Text PDFAutomatic imitation of intransitive actions in macaws.
iScience
December 2024
Max Planck Institute for Biological Intelligence, Seewiesen 82319, Germany.
Automatic imitation is the involuntary tendency of humans to copy others' actions even when counterproductive. We examined the automatic imitation of actions in blue-throated macaws (), employing a stimulus-response-compatibility task. After training seven macaws to perform two different actions with legs and wings upon specific hand commands, the subjects were divided into a compatible and incompatible group.
View Article and Find Full Text PDFBiologically inspired heterogeneous learning for accurate, efficient and low-latency neural network.
Natl Sci Rev
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School of Astronautics, Beihang University, Beijing 100191, China.
Article Synopsis
- Researchers aim to create artificial neural networks that match the performance of biological networks, focusing on accuracy, efficiency, and low latency.
- They developed a new spiking neural network (SNN) using concepts from neuroscience, including self-inhibiting autapse and neuron diversity, to improve learning and memory capabilities.
- The new SNN model demonstrated superior performance, achieving higher accuracy, energy efficiency, and reduced latency in various AI tasks, and successfully identified rare cell types linked to severe brain diseases.
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