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Protocol for Recording from Ventral Tegmental Area Dopamine Neurons in Mice while Measuring Force during
Konstantin I Bakhurin1, Ryan N Hughes1, Joseph W Barter1
1Department of Psychology and Neuroscience, Duke University, Durham, NC 27708, USA.
STAR Protocols
|October 28, 2020
Summary
Researchers developed a new head-fixation device to measure multi-dimensional forces in mice during neuroscience experiments. This system integrates with electrophysiology and optogenetics for studying dopamine neurons.
Area of Science:
- Systems Neuroscience
- Behavioral Neuroscience
- Neurophysiology
Background:
- Head-fixation is common in systems neuroscience for in vivo experimentation.
- A key limitation is the absence of whole-body movement quantification.
- This gap hinders comprehensive behavioral analysis during head-fixed studies.
Purpose of the Study:
- To introduce a novel head-fixation device for measuring multi-dimensional forces in head-fixed mice.
- To provide a detailed protocol for the device's implementation.
- To demonstrate its utility in conjunction with in vivo electrophysiology and optogenetics.
Main Methods:
- Development of a novel head-fixation apparatus.
- Detailed step-by-step protocol for device setup and use.
- Integration with in vivo electrophysiology and optogenetics techniques.
Main Results:
- The novel device successfully quantifies multi-dimensional forces exerted by head-fixed mice.
- The system is compatible with simultaneous electrophysiological recordings.
- The protocol facilitates studies on dopamine neurons in the ventral tegmental area.
Conclusions:
- The developed head-fixation system overcomes the limitation of unmeasured whole-body movements.
- It enables richer behavioral data collection in head-fixed preparations.
- This advancement supports more integrated approaches in systems neuroscience research.