Wire Array
Wire Array - Related Videos
09:17
Hot Wire Anemometry
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2023
Source: Ricardo Mejia-Alvarez and Hussam Hikmat Jabbar, Department of Mechanical Engineering, Michigan State University, East Lansing, MI Hot-wire anemometers have a very short time-response, which makes them ideal to measure rapidly fluctuating phenomena such as turbulent flows. The purpose of this experiment is to demonstrate the use of hot-wire anemometry.
10:32
Brain Mapping Using a Graphene Electrode Array
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2023
We present a graphene array-based brain mapping procedure to reduce the invasiveness and improve spatiotemporal resolution. Graphene array-based surface electrodes exhibit long-term biocompatibility, mechanical flexibility, and suitability for brain mapping in a convoluted brain. This protocol allows for constructing multiple forms of sensory maps simultaneously and sequentially.
02:51
Implanting an Electrode Array and Optic Fiber into the Mouse Hippocampus
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2025
This video demonstrates the stereotactic implantation of a wire electrode array and an optic fiber in the hippocampus of a mouse model.
14:19
Micro-drive Array for Chronic in vivo Recording: Tetrode Assembly
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Cited by 111 •
2009
In this protocol we demonstrate how to fabricate and condition tetrodes for use with a micro-drive array, which was designed for chronic electrophysiological recordings in rats. In addition, we illustrate the final stages of micro-drive array construction, which includes installing ground wires and a protective cone.
01:27
Magnetic Field Due To A Thin Straight Wire
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2026
Consider an infinitely long straight wire carrying a current I. The magnetic field at point P at a distance a from the origin can be calculated using the Biot-Savart law. Consider a current element dx at a distance x from the origin. The current element makes an angle θ with the line joining dx and P. Using the Pythagorus theorum to express the distance between the current element and the point, the magnetic field due to the current element at point P can be estimated using Equation 1. The...
FAQs
Each wire records extracellular voltage changes generated by nearby neurons rather than measuring activity from inside a cell. These voltage fluctuations provide an electrical readout of local neural activity at each recording site. Comparing signals across wires allows researchers to examine how activity varies between nearby locations while preserving the spatial organization of the sampled tissue.
The arrangement links each electrical measurement to a distinct location in neural tissue. Because the sites retain their spatial relationships, researchers can compare activity across positions instead of treating all signals as interchangeable. This organization supports analysis of how neural populations are distributed and how circuit activity changes across locations during sensory processing or behavior.
Parallel acquisition captures electrical activity from multiple locations during the same experimental period. This makes it possible to compare signals across sites and examine coordinated population activity, rather than relying on observations from one location at a time. The resulting recordings can reveal relationships among neural signals that would be difficult to evaluate from isolated measurements.
Simultaneous signals from multiple sites allow researchers to examine how patterns of population activity represent or distinguish information. The recordings can be related to sensory processing or behavior to evaluate how circuit activity changes in meaningful contexts. Preserving the locations of the signals also helps connect coding patterns with the neural regions contributing to them.
Wire array experiments can monitor population activity, examine connectivity-related activity patterns, and study circuit dynamics across multiple neural locations. Researchers may compare electrical signals with behavior or sensory processing to investigate how brain activity supports observable functions. These uses make the approach relevant to studies of normal brain function as well as disease mechanisms.
By supporting simultaneous measurement from multiple neural locations, a wire array provides high-resolution information about circuit dynamics. That information can help researchers characterize how neural systems operate and identify electrical patterns relevant to neurotechnology development. The same recording capability also supports investigations of disease mechanisms, where distributed changes in neural activity may be important.