Microdrive Assembly
Microdrive Assembly - Related Videos
10:29
Design and Assembly of an Ultra-light Motorized Microdrive for Chronic Neural Recordings in Small Animals
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Cited by 15 •
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The design, fabrication and assembly of an ultra-light motorized microdrive is described. The device provides a cost-effective and easy-to-use solution for chronic recordings of single units in small behaving animals.
11:36
Assembly, Loading, and Alignment of an Analytical Ultracentrifuge Sample Cell
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Cited by 21 •
2009
The analytical ultracentrifuge (AUC) sample cell holds sample and reference buffer and during experiments and is exposed to high vacuum and rotor speeds up to 60,000 rpm. This video will demonstrate the rigorous attention to detail necessary for assembly, loading and alignment of this very important component of an AUC experiment.
10:44
Construction of Microdrive Arrays for Chronic Neural Recordings in Awake Behaving Mice
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Cited by 30 •
2013
The design and assembly of microdrives for in vivo electrophysiological recordings of brain signals from the mouse is described. By attaching microelectrode bundles to sturdy driveable carriers, these techniques allow for long-term and stable neural recordings. The lightweight design allows for unrestricted behavioral performance by the animal following drive implantation.
02:41
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13:05
Micropatterning and Assembly of 3D Microvessels
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This manuscript presents an injection molding method to engineer microvessels that recapitulate physiological properties of endothelium. The microfluidic-based process creates patent 3D vascular networks with tailorable conditions, such as flow, cellular composition, geometry, and biochemical gradients. The fabrication process and examples of potential applications are described.
FAQs
The mechanical drive converts advancement or retraction into a way to refine electrode placement after implantation. This matters because electrodes can be repositioned within a targeted brain region while the surrounding assembly remains secured to the subject. Such adjustability supports access to neural activity from changing positions during an extended experiment.
Assembly quality affects whether electrode positioning remains stable and repeatable across sessions. A carefully constructed device preserves the relationship between the drive, electrodes, and secured preparation, allowing later adjustments to represent deliberate changes in recording or stimulation position. This consistency is especially relevant when researchers compare neural activity across multiple experimental sessions.
Unlike a preparation that requires new surgical access for every positional change, an adjustable microdrive preparation can support electrode refinement while remaining attached to the subject. This distinction is important for longitudinal neuroscience experiments, where researchers may examine neural signals or stimulation effects over multiple sessions using the same implanted access.
At a high level, assembly requires integrating the electrodes with the mechanical drive and creating a compact unit that can remain secured to the subject. The construction must preserve the drive’s ability to advance or retract the electrodes and maintain access to the intended brain region. This coordination determines whether later positioning adjustments are practical.
The positioning mechanism supports two experimental roles because the electrodes can be used either to record neural activity or to stimulate neural tissue. In both cases, advancing or retracting the electrodes helps researchers refine their location within a targeted brain region. The preparation therefore accommodates studies of electrophysiological signals as well as stimulation-related effects.
Microdrive Assembly is useful when researchers need to study neuronal responses and circuit function while an animal behaves. Its secured, adjustable arrangement can provide access across multiple sessions, helping investigators examine neural activity in relation to behavior without repeatedly reopening the surgical site. This makes the preparation relevant to experiments requiring extended observation of neural circuits.