Cited by 2,603Neural dynamics and brain functionNeuroscience and Neuropharmacology ResearchMemory and Neural Mechanisms

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Driving fast-spiking cells induces gamma rhythm and controls sensory responses

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Abstract

Cortical gamma oscillations (20-80 Hz) predict increases in focused attention, and failure in gamma regulation is a hallmark of neurological and psychiatric disease. Current theory predicts that gamma oscillations are generated by synchronous activity of fast-spiking inhibitory interneurons, with the resulting rhythmic inhibition producing neural ensemble synchrony by generating a narrow window for effective excitation. We causally tested these hypotheses in barrel cortex in vivo by targeting optogenetic manipulation selectively to fast-spiking interneurons. Here we show that light-driven activation of fast-spiking interneurons at varied frequencies (8-200 Hz) selectively amplifies gamma oscillations. In contrast, pyramidal neuron activation amplifies only lower frequency oscillations, a cell-type-specific double dissociation. We found that the timing of a sensory input relative to a gamma cycle determined the amplitude and precision of evoked responses. Our data directly support the fast-spiking-gamma hypothesis and provide the first causal evidence that distinct network activity states can be induced in vivo by cell-type-specific activation.

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Metadata

Authors
Cardin, J. A., Carlén, M., Meletis, K., Knoblich, U., Zhang, F., Deisseroth, K., Tsai, L.-H., & Moore, C. I.
Affiliations
  • McGovern Institute for Brain Research (US)
  • Broad Institute (US)
  • Stanford University (US)
Corresponding author
  • Deisseroth, Karl
  • Tsai, Li-Huei
  • Moore, Christopher I.
Venue
Nature
Published
2009-04-26
Volume
459
Issue
7247
Pages
663-667
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2149561999
Cited by
2,603
References
36
Citations by year
2026: 110 · 2025: 145 · 2024: 160 · 2023: 121 · 2022: 172 · 2021: 171 · 2020: 183 · 2019: 154 · 2018: 161 · 2017: 147 · 2016: 151 · 2015: 178 · 2014: 158 · 2013: 157 · 2012: 137
FWCI
70.01
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Neurological Disorders and Stroke (R01NS045130)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
fast-spiking interneurons, parvalbumin interneurons, optogenetic stimulation, barrel cortex, sensory evoked potentials, pyramidal neurons, neuronal synchronization, attention, schizophrenia, signal-to-noise ratio
MeSH terms
Animals, Electrophysiology, Gene Expression Regulation, Interneurons, Photic Stimulation, Rhodopsin, Somatosensory Cortex, Chlamydomonas reinhardtii, Pyramidal Cells, Mice, Gene Knock-In Techniques

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