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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Okubo, Tatsuo S. Mackevicius, Emily L. Fee, Michale S. |
| Description | Author Affiliation: Okubo TS ( Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.); Mackevicius EL ( Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.); Fee MS ( Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.) |
| Abstract | The zebra finch is an important model for investigating the neural mechanisms that underlie vocal production and learning. Previous anatomical and gene expression studies have identified an interconnected set of brain areas in this organism that are important for singing. To advance our understanding of how these various brain areas act together to learn and produce a highly stereotyped song, it is necessary to record the activity of individual neurons during singing. Here, we present a protocol for recording single-unit activity in freely moving zebra finches during singing using a miniature, motorized microdrive. It includes procedures for both the microdrive implant surgery and the electrophysiological recordings. There are several advantages of this technique: (1) high-impedance electrodes can be used in the microdrive to obtain well-isolated single units; (2) a motorized microdrive is used to remotely control the electrode position, allowing neurons to be isolated without handling the bird, and (3) a lateral positioner is used to move electrodes into fresh tissue before each penetration, allowing recordings from well-isolated neurons over the course of several weeks. We also describe the application of the antidromic stimulation and the spike collision test to identify neurons based on the axonal projection patterns. |
| File Format | HTM / HTML |
| ISSN | 19403402 |
| e-ISSN | 15596095 |
| DOI | 10.1101/pdb.prot084624 |
| Journal | Cold Spring Harbor Protocols |
| Issue Number | 12 |
| Volume Number | 2014 |
| Language | English |
| Publisher | Cold Spring Harbor Laboratory Press |
| Publisher Date | 2014-10-23 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Clinical Laboratory Techniques Finches Physiology Neurons Tape Recording Vocalization, Animal Amplifiers, Electronic Animals Electrophysiological Phenomena Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry, Genetics and Molecular Biology |
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