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Cited by 590

The DOI matches its Crossref record; 88 of the 88 references it cites were found in a registry or an index.

How Local Is the Local Field Potential?

Open access
Kajikawa, Yoshinao, Schroeder, Charles E.·2011·Neuron

Abstract

Summary Local field potentials (LFPs) are of growing importance in neurophysiological investigations. LFPs supplement action potential recordings by indexing activity relevant to EEG, MEG and hemodynamic (fMRI) signals. Recent reports suggest that LFPs reflect activity within very small domains of several hundred microns. We examined this conclusion by comparing LFP, current source density (CSD), and multiunit activity (MUA) signals in macaque auditory cortex. Estimated by frequency tuning bandwidths, these signals' “listening areas” differ systematically with an order of: MUA < CSD < LFP. Computational analyses confirm that observed LFPs receive non-local contributions. Direct measurements indicate passive spread of LFPs to sites more than a centimeter from their origins. These findings appear to be independent of the frequency content of the LFP. Our results challenge the idea that LFP recordings typically integrate over extremely circumscribed local domains. Rather, LFPs appear as a mixture of local potentials with “volume conducted” potentials from distant sites.

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Crossref · 10.1016/j.neuron.2011.09.029

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Metadata

Authors
Kajikawa, Y., & Schroeder, C. E.
Venue
Neuron
Publisher
Elsevier BV
Published
2011-12
Volume
72
Issue
5
Pages
847-858
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1989700973
Cited by
590
References
88
FWCI
14.77
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: How Local Is the Local Field Potential? https://app.cochat.ai/papers/10.1016/j.neuron.2011.09.029
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Kajikawa, Y., & Schroeder, C. E. (2011). How Local Is the Local Field Potential? Neuron. https://doi.org/10.1016/j.neuron.2011.09.029

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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