ArticleCerebral cortex (New York, N.Y. : 1991)2019
Subthreshold Activity Underlying the Diversity and Selectivity of the Primary Auditory Cortex Studied by Intracellular Recordings in Awake Marmosets.
Article in Cerebral cortex (New York, N.Y. : 1991), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 15 citations in OpenAlex.
- Acoustic Flutter Processing in the Inferior Colliculus of Awake Marmosets: Complementary Rate Coding Modulated by Acoustic Parameters.Neuroscience bulletin · 2026Article
- Location-specific neural facilitation in marmoset auditory cortex.Nature communications · 2025Article
- Distinct Inhibitory Neurons Differently Shape Neuronal Codes for Sound Intensity in the Auditory Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- "Distinct inhibitory neurons differently shape neuronal codes for sound intensity in the auditory cortex".bioRxiv : the preprint server for biology · 2024Article
- Intracellular neural control of an active feeding structure in Aplysia using a carbon fiber electrode array.Journal of neuroscience methods · 2024Article
- Selective corticofugal modulation on sound processing in auditory thalamus of awake marmosets.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
- A Redundant Cortical Code for Speech Envelope.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Intracellular neuronal recording in awake nonhuman primates.Nature protocols · 2020Article
- The CSF-Contacting Nucleus Receives Anatomical Inputs From the Cerebral Cortex: A Combination of Retrograde Tracing and 3D Reconstruction Study in Rat.Frontiers in neuroanatomy · 2020Article
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2 authors at 1 institution in 2 countries.
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Abstract
Extracellular recording studies have revealed diverse and selective neural responses in the primary auditory cortex (A1) of awake animals. However, we have limited knowledge on subthreshold events that give rise to these responses, especially in non-human primates, as intracellular recordings in awake animals pose substantial technical challenges. We developed a novel intracellular recording technique in awake marmosets to systematically study subthreshold activity of A1 neurons that underlies their diverse and selective spiking responses. Our findings showed that in contrast to predominantly transient depolarization observed in A1 of anesthetized animals, both transient and sustained depolarization (during or beyond the stimulus period) were observed. Comparing with spiking responses, subthreshold responses were often longer lasting in duration and more broadly tuned in frequency, and showed narrower intensity tuning in non-monotonic neurons and lower response threshold in monotonic neurons. These observations demonstrated the enhancement of stimulus selectivity from subthreshold to spiking responses in individual A1 neurons. Furthermore, A1 neurons classified as regular- or fast-spiking subpopulation based on their spike shapes exhibited distinct response properties in frequency and intensity domains. These findings provide valuable insights into cortical integration and transformation of auditory information at the cellular level in auditory cortex of awake non-human primates.
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