Neurophysiological recordings in freely moving monkeys

Recordings of neuronal activity in freely moving rats are common in experiments where electrical signals are transmitted using cables. Such techniques are not common in monkeys because their prehensile abilities are thought to preclude such techniques. However, analysis of brain mechanisms underlyin...

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Bibliographic Details
Published in:Methods (San Diego, Calif.) Calif.), 2006-03, Vol.38 (3), p.202-209
Main Authors: Sun, Ning Lei, Lei, Yan Lin, Kim, Byoung-Hoon, Ryou, Jae-Wook, Ma, Yuan-Ye, Wilson, Fraser A.W.
Format: Article
Language:English
Subjects:
Allocentric space
Animals
Egocentric space
Electrophysiology - instrumentation
Electrophysiology - methods
Equipment Design
Hippocampus
Hippocampus - cytology
Locomotion
Macaca mulatta - physiology
Neurons - physiology
Neurophysiology - methods
Prefrontal cortex primate
Putamen
Rhesus
Telemetry - instrumentation
Telemetry - methods
Visual Perception - physiology
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Summary:Recordings of neuronal activity in freely moving rats are common in experiments where electrical signals are transmitted using cables. Such techniques are not common in monkeys because their prehensile abilities are thought to preclude such techniques. However, analysis of brain mechanisms underlying spatial navigation and cognition require the subject to walk. We have developed techniques for recordings in freely moving monkeys in two different situations: a 5 × 5 m testing laboratory and in a 50 m 2 open field environment. Neuronal signals are sent to amplifiers and data acquisition systems using cables or telemetry. These techniques provide high quality recordings of single neurons during behaviors such as foraging, walking, and the performance of memory tasks and thus provide a unique opportunity to study primate behavior in a semi-natural situation.
ISSN:1046-2023
1095-9130
DOI:10.1016/j.ymeth.2005.09.018