New roles for the external globus pallidus in basal ganglia circuits and behavior

The development of methodology to identify specific cell populations and circuits within the basal ganglia is rapidly transforming our ability to understand the function of this complex circuit. This mini-symposium highlights recent advances in delineating the organization and function of neural cir...

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Bibliographic Details
Published in:The Journal of neuroscience 2014-11, Vol.34 (46), p.15178-15183
Main Authors: Gittis, Aryn H, Berke, Joshua D, Bevan, Mark D, Chan, C Savio, Mallet, Nicolas, Morrow, Michelle M, Schmidt, Robert
Format: Article
Language:English
Subjects:
Animals
Basal Ganglia - physiology
Corpus Striatum - physiology
Globus Pallidus - anatomy & histology
Globus Pallidus - physiology
Humans
Neural Pathways - physiology
Neuroglia - physiology
Neurons - physiology
Parkinson Disease - physiopathology
Symposium
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Summary:The development of methodology to identify specific cell populations and circuits within the basal ganglia is rapidly transforming our ability to understand the function of this complex circuit. This mini-symposium highlights recent advances in delineating the organization and function of neural circuits in the external segment of the globus pallidus (GPe). Although long considered a homogeneous structure in the motor-suppressing "indirect-pathway," the GPe consists of a number of distinct cell types and anatomical subdomains that contribute differentially to both motor and nonmotor features of behavior. Here, we integrate recent studies using techniques, such as viral tracing, transgenic mice, electrophysiology, and behavioral approaches, to create a revised framework for understanding how the GPe relates to behavior in both health and disease.
ISSN:0270-6474
1529-2401
DOI:10.1523/jneurosci.3252-14.2014