Cited by 1,136Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionNeuropeptides and Animal Physiology

Cortical interneurons that specialize in disinhibitory control

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Pi, Hyun-Jae, Hangya, Balázs, Kvitsiani, Duda, Sanders, Joshua I., Huang, Z. Josh, Kepecs, Adam·2013·Nature

Abstract

In the mammalian cerebral cortex the diversity of interneuronal subtypes underlies a division of labour subserving distinct modes of inhibitory control. A unique mode of inhibitory control may be provided by inhibitory neurons that specifically suppress the firing of other inhibitory neurons. Such disinhibition could lead to the selective amplification of local processing and serve the important computational functions of gating and gain modulation. Although several interneuron populations are known to target other interneurons to varying degrees, little is known about interneurons specializing in disinhibition and their in vivo function. Here we show that a class of interneurons that express vasoactive intestinal polypeptide (VIP) mediates disinhibitory control in multiple areas of neocortex and is recruited by reinforcement signals. By combining optogenetic activation with single-cell recordings, we examined the functional role of VIP interneurons in awake mice, and investigated the underlying circuit mechanisms in vitro in auditory and medial prefrontal cortices. We identified a basic disinhibitory circuit module in which activation of VIP interneurons transiently suppresses primarily somatostatin- and a fraction of parvalbumin-expressing inhibitory interneurons that specialize in the control of the input and output of principal cells, respectively. During the performance of an auditory discrimination task, reinforcement signals (reward and punishment) strongly and uniformly activated VIP neurons in auditory cortex, and in turn VIP recruitment increased the gain of a functional subpopulation of principal neurons. These results reveal a specific cell type and microcircuit underlying disinhibitory control in cortex and demonstrate that it is activated under specific behavioural conditions.

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  • PFC in awake mice has a disinhibitory circuit module in which activation of VIP+ interneurons transiently suppresses primarily SST+ and a fraction of PV+ interneurons.

    “PFC in awake mice also has a basic disinhibitory circuit module in which activation of VIP+ interneurons transiently suppresses primarily SST+ and a fraction of PV+ interneurons 30.”
  • These elements can be task-dependently recruited into larger brain networks for systems-level information processing and computation, representing their distal behavioural and cognitive functions.

    “These elements can be task-dependently recruited into larger brain networks for systems-level information processing and computation, representing their distal behavioural and cognitive functions59,60.”
  • More recently, a number of functional studies in both hippocampus and neocortex have taken advantage of transgenic animals and modern circuit mapping tools to functionally confirm that subsets of CR- and VIP-expressing interneurons do indeed mediate circuit disinhibition by selectively targeting other interneurons over pyramidal cells.

    “More recently, a number of functional studies in both hippocampus and neocortex have taken advantage of transgenic animals and modern circuit mapping tools to functionally confirm that subsets of CR- and VIP-expressing interneurons do indeed mediate circuit disinhibition by selectively targeting other interneurons over pyramidal cells (185, 363, 652, 906, 908, 1145, 1270).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [908]

  • These driver lines have been successfully used in a number of recent studies to dissect circuit functions of ISIs in both hippocampus and neocortex.

    “Indeed, these driver lines have been successfully used in a number of recent studies to dissect circuit functions of ISIs in both hippocampus and neocortex (363, 553, 652, 906, 908, 1145, 1270).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [908]

  • The targeting of SST interneurons by VIP cells appears to be a generalized motif across brain structures including somatosensory, visual, and auditory cortices, and this specific disinhibitory microcircuit is important in sensory processing that, in some circumstances, demonstrates behavioral state dependence.

    “The targeting of SST interneurons by VIP cells appears to be a generalized motif across brain structures including somatosensory, visual, and auditory cortices, and this specific disinhibitory microcircuit is important in sensory processing that, in some circumstances, demonstrates behavioral state dependence (363, 553, 660, 905, 906, 908, 1246, 1270).”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [908]

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Authors
Pi, H.-J., Hangya, B., Kvitsiani, D., Sanders, J. I., Huang, Z. J., & Kepecs, A.
Affiliations
Cold Spring Harbor Laboratory (US)
Venue
Nature
Published
2013-10-06
Volume
503
Issue
7477
Pages
521-524
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1992910467
Cited by
1,136
References
37
Citations by year
2026: 72 · 2025: 98 · 2024: 76 · 2023: 77 · 2022: 91 · 2021: 111 · 2020: 91 · 2019: 102 · 2018: 98 · 2017: 97 · 2016: 83 · 2015: 79 · 2014: 55 · 2013: 5
FWCI
36.32
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institute of Mental Health (U01MH078844)
  • National Institute of Neurological Disorders and Stroke (R01NS075531)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
disinhibition, vasoactive intestinal peptide, cortical interneurons, inhibitory interneurons, somatostatin interneurons, parvalbumin interneurons, reinforcement learning, reward and punishment, auditory cortex, medial prefrontal cortex, gain modulation, optogenetic stimulation, single-unit recording, neocortex, principal neurons
MeSH terms
Acoustic Stimulation, Animals, Auditory Cortex, Cerebral Cortex, Discrimination, Psychological, Female, Interneurons, Male, Mice, Inbred C57BL, Neural Inhibition, Parvalbumins, Punishment, Reward, Somatostatin, Vasoactive Intestinal Peptide, Wakefulness, Prefrontal Cortex, Mice, Single-Cell Analysis, Optogenetics

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