Journal
NATURE NEUROSCIENCE
Volume 18, Issue 4, Pages 484-489Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nn.3952
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Funding
- US National Institutes of Health [MH54671, MH102840]
- Mather's Foundation
- Human Frontier Science Program
- US National Science Foundation (Temporal Dynamics of Learning Center) [SBE 0542013]
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Neural oscillations have been measured and interpreted in multitudinous ways, with a variety of hypothesized functions in physiology, information processing and cognition. Much attention has been paid in recent years to gamma-band (30-100 Hz) oscillations and synchrony, with an increasing interest in 'high gamma' (> 100 Hz) signals as mesoscopic measures of inter-regional communication. The biophysical origins of the measured variables are often difficult to precisely identify, however, making their interpretation fraught with pitfalls. Here we discuss how measurements of inter-regional gamma coherence can be prone to misinterpretation and suggest strategies for deciphering the roles that synchronized oscillations across brain networks may play in neural function.
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