How the brain computes with sensory input to execute a delayed motor response remains elusive. In this issue of Neuron, Esmaeili et al. (2021) reveal a key cortical circuit that underlies sensorimotor transformation to execute a delayed motor output following a specific sensory input.
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http://dx.doi.org/10.1016/j.neuron.2021.06.017 | DOI Listing |
Sci Adv
January 2025
Université Paris Cité, Institut Pasteur, AP-HP, Inserm, Fondation Pour l'Audition, Institut de l'Audition, IHU reConnect, F-75012 Paris, France.
The temporal structure of sensory inputs contains essential information for their interpretation. Sensory cortex represents these temporal cues through two codes: the temporal sequences of neuronal activity and the spatial patterns of neuronal firing rate. However, it is unknown which of these coexisting codes causally drives sensory decisions.
View Article and Find Full Text PDFBiomedicines
December 2024
Department of Brain and Behavioral Sciences, University of Pavia, 27100 Pavia, Italy.
Background: Pimozide is a conventional antipsychotic drug of the diphenylbutylpiperidine class, widely used for treating schizophrenia and delusional disorders and for managing motor and phonic tics in Tourette's syndrome. Pimozide is known to block dopaminergic D2 receptors and various types of voltage-gated ion channels. Among its side effects, dizziness and imbalance are the most frequently observed, which may imply an effect of the drug on the vestibular sensory receptors, the hair cells.
View Article and Find Full Text PDFBiomedicines
December 2024
Department of Health and Nursing Sciences, Faculty of Health and Sport Sciences, Széchenyi István University, Egyetem tér 1, 9026 Győr, Hungary.
Balance and proprioception are essential elements in postural control and injury prevention. Proprioception, the body's sense of position and movement, is closely tied to balance, which depends on input from the visual, vestibular, and somatosensory systems. This article explores the link between trauma experiences and proprioceptive dysfunction, emphasizing how heightened muscle tone, dissociation, and altered sensory processing contribute to balance issues and the risk of injury.
View Article and Find Full Text PDFBrain Sci
November 2024
Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 3-1-1 Tsushima-Naka, Kita-ku, Okayama 700-8530, Japan.
Background: Transferring learned manipulations to new manipulation tasks has enabled humans to realize thousands of dexterous object manipulations in daily life. Two-digit grasp and three-digit grasp manipulations require different fingertip forces, and our brain can switch grasp types to ensure good performance according to motor memory. We hypothesized that several brain areas contribute to the execution of the new type of motor according to the motor memory.
View Article and Find Full Text PDFDiverse subtypes of cortical projection neurons (PN) form long-range axonal projections that are responsible for distinct sensory, motor, cognitive, and behavioral functions. Translational control has been identified at multiple stages of PN development, but how translational regulation contributes to formation of distinct, subtype-specific long-range circuits is poorly understood. Ribosomal complexes (RCs) exhibit variations of their component proteins, with an increasing set of examples that confer specialized translational control.
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