Simultaneous Multisite Extracellular Electrophysiological Recordings During Electrical Stimulation in Anesthetized
Muxin Lin1, Ying Wang2, Yong Ping1
1Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China.
Current Protocols
|May 29, 2023
Summary
This study details a protocol for simultaneous electrophysiological recording in rat brain structures, enabling analysis of neural circuit function. The method allows for dissecting relationships between the subthalamic nucleus, substantia nigra pars reticulata, and pedunculopontine tegmental nucleus.
Area of Science:
- Neuroscience
- Electrophysiology
- Animal Models
Background:
- Understanding neural circuit function requires analyzing neuronal activity.
- Simultaneous multisite recording and electrical stimulation in rodents are key for dissecting brain structure relationships.
Purpose of the Study:
- To present a detailed protocol for simultaneous electrophysiological recording.
- To enable the study of reciprocal relationships between the subthalamic nucleus (STN) and substantia nigra pars reticulata (SNr) via pedunculopontine tegmental nucleus (PPTg) stimulation in anesthetized rats.
Main Methods:
- Protocol covers electrode preparation, surgical setup, and electrophysiological recording techniques.
- Includes methods for histological verification of recording sites.
- Describes basic post-recording data analysis.
Main Results:
- Successfully established a protocol for simultaneous recording from STN and SNr.
- Demonstrated PPTg stimulation during recordings.
- Protocol is adaptable to other brain regions.
Conclusions:
- The presented protocol provides a robust method for investigating neural circuit dynamics.
- Facilitates research into the functional connectivity of basal ganglia-related structures.
- Offers a foundation for future studies in systems neuroscience.
