Human neuronal firing varies with the frequency of local field potential oscillations

Zahra Jourahmad, Raissa K Mathura, Layth S Mattar, Melissa C Franch, Danika L Paulo, Mohammed Hasen, Nicole R Provenza, Benjamin Y Hayden, Sameer A Sheth, Eleonora Bartoli and Andrew J Watrous

PLOS Biology, 2026, vol. 24, issue 6, 1-24

Abstract: Neural oscillations play a critical role in shaping neuronal firing patterns. While phase-locked neuronal firing (“phase tuning”) has been extensively studied in animal models and human invasive recordings, much less is known about whether neurons show preferential firing at specific oscillatory frequencies, termed frequency tuning. Here, we employ human intracranial recordings across several brain regions including hippocampus, entorhinal cortex, anterior and posterior cingulate cortex, and orbitofrontal cortex to test the hypothesis that neurons exhibit frequency-specific firing. We analyzed 357 single units recorded simultaneously with local field potentials in 19 neurosurgical patients during awake resting. We estimated the instantaneous frequency of the LFP using adaptive spectral decomposition and assessed frequency tuning of each neuron while controlling for changes in firing rate unrelated to frequency changes. We found 27% of neurons exhibited increased or decreased firing within specific frequencies, most commonly within the low-frequency range (

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pbio00:3003818

DOI: 10.1371/journal.pbio.3003818

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