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A novel, variable angle guide grid for neuronal activity studies.

Thomas Talbot¹, David Ide, Ning Liu

¹Laboratory of Cellular and Synaptic Neurophysiology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda MD, USA.

Frontiers in Integrative Neuroscience

|February 10, 2012

Summary

This summary is machine-generated.

Researchers developed a novel 3D-printed grid for primate brain research, enabling access to deeper brain regions. This innovation expands the possibilities for studying neuronal activity patterns in neuroscience.

Keywords:

guide grid neuronal activity recording chamber solid modeling three-dimensional printing

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Interfacing Microfluidics with Microelectrode Arrays for Studying Neuronal Communication and Axonal Signal Propagation

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Published on: December 8, 2018

Area of Science:

Neuroscience
Biomedical Engineering
Primate Research

Background:

Standard primate brain chambers with grids limit tissue access for neuronal activity studies.
Current grid designs restrict targeted sites to vertical alignments, hindering comprehensive research.

Purpose of the Study:

To design and fabricate a novel grid for primate brain chambers.
To overcome the limitations of standard grid designs in accessing deeper or non-vertical brain targets.

Main Methods:

Utilized 3D modeling software to design an innovative grid.
Employed conventional machining and 3D printing for grid fabrication.
Conducted a pilot study involving microinjections in a non-human primate model.

Main Results:

The novel grid design successfully facilitated access to targeted sites beyond standard reach.
Demonstrated effectiveness in accessing 10 injection sites up to 5 mm outside the traditional orthogonal reach.
Microinjections of MR contrast agent confirmed precise targeting in the temporal cortex.

Conclusions:

The developed 3D-printed grid significantly enhances access to target tissues in primate brains.
This advancement offers greater flexibility for studying neuronal activity and enables more complex experimental designs in neuroscience research.