Cited by 729Neural dynamics and brain functionNeuroscience and Music PerceptionMemory and Neural Mechanisms

The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.

Cortical Membrane Potential Signature of Optimal States for Sensory Signal Detection

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Abstract

The neural correlates of optimal states for signal detection task performance are largely unknown. One hypothesis holds that optimal states exhibit tonically depolarized cortical neurons with enhanced spiking activity, such as occur during movement. We recorded membrane potentials of auditory cortical neurons in mice trained on a challenging tone-in-noise detection task while assessing arousal with simultaneous pupillometry and hippocampal recordings. Arousal measures accurately predicted multiple modes of membrane potential activity, including rhythmic slow oscillations at low arousal, stable hyperpolarization at intermediate arousal, and depolarization during phasic or tonic periods of hyper-arousal. Walking always occurred during hyper-arousal. Optimal signal detection behavior and sound-evoked responses, at both sub-threshold and spiking levels, occurred at intermediate arousal when pre-decision membrane potentials were stably hyperpolarized. These results reveal a cortical physiological signature of the classically observed inverted-U relationship between task performance and arousal and that optimal detection exhibits enhanced sensory-evoked responses and reduced background synaptic activity.

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Crossref · 10.1016/j.neuron.2015.05.038

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Metadata

Authors
McGinley, M. J., David, S. V., & McCormick, D. A.
Affiliations
  • Yale University (US)
  • Oregon Health & Science University (US)
Corresponding author
  • McGinley, Matthew J.
  • McCormick, David A.
Venue
Neuron
Publisher
Elsevier BV
Published
2015-07
Volume
87
Issue
1
Pages
179-192
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1519578210
Cited by
728
References
57
Citations by year
2026: 58 · 2025: 73 · 2024: 80 · 2023: 89 · 2022: 67 · 2021: 73 · 2020: 61 · 2019: 53 · 2018: 64 · 2017: 52 · 2016: 48 · 2015: 10
FWCI
34.90
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Public Health Service (5R01N2026143)
  • National Institute on Deafness and Other Communication Disorders (R01DC015803, 1F132DC012449, F32DC012449, R00DC010439)
  • National Institute of Neurological Disorders and Stroke (R01NS026143)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
signal detection, arousal, inverted U-shaped relationship, auditory cortex, tone-in-noise detection, pupillometry, slow oscillations, hyperpolarization, depolarization, synaptic activity
MeSH terms
Animals, Arousal, Auditory Cortex, Auditory Perception, Membrane Potentials, Neurons, Signal Detection, Psychological, Mice

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