ArticleBiosensors2023
PtNPs/PEDOT:PSS-Modified Microelectrode Arrays for Detection of the Discharge of Head Direction Cells in the Retrosplenial Cortex of Rats under Dissociation between Visual and Vestibular Inputs.
Article in Biosensors, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 5 citations in OpenAlex.
- Analysis and dynamic modeling of firing synchronization in electrically interconnected dual-compartment neuronal networks.Microsystems & nanoengineering · 2026Article
- State-dependent neuronal and network dynamics in the lateral hypothalamus across sevoflurane anesthesia-emergence revealed by microelectrode arrays.Microsystems & nanoengineering · 2026Article
- A Dual-Mode Wireless Microsystem for Monitoring Dopamine and Spike Changes with Dexmedetomidine.Cyborg and bionic systems (Washington, D.C.) · 2026Article
- Article
- Tentacle Microelectrode Arrays Uncover Soft Boundary Neurons in Hippocampal CA1.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Using Human-Induced Pluripotent Stem Cell Derived Neurons on Microelectrode Arrays to Model Neurological Disease: A Review.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Review
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Authors and funding
14 authors at 2 institutions in 1 country.
Funding
Abstract
The electrophysiological activities of head direction (HD) cells under visual and vestibular input dissociation are important to understanding the formation of the sense of direction in animals. In this paper, we fabricated a PtNPs/PEDOT:PSS-modified MEA to detect changes in the discharge of HD cells under dissociated sensory conditions. The electrode shape was customized for the retrosplenial cortex (RSC) and was conducive to the sequential detection of neurons at different depths in vivo when combined with a microdriver. The recording sites of the electrode were modified with PtNPs/PEDOT:PSS to form a three-dimensional convex structure, leading to closer contact with neurons and improving the detection performance and signal-to-noise ratio of the MEA. We designed a rotating cylindrical arena to separate the visual and vestibular information of the rats and detected the changes in the directional tuning of the HD cells in the RSC. The results showed that after visual and vestibular sensory dissociation, HD cells used visual information to establish newly discharged directions which differed from the original direction. However, with the longer time required to process inconsistent sensory information, the function of the HD system gradually degraded. After recovery, the HD cells reverted to their newly established direction rather than the original direction. The research based on our MEAs revealed how HD cells process dissociated sensory information and contributes to the study of the spatial cognitive navigation mechanism.
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Registered trials
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