ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2020
Robust Rate-Place Coding of Resolved Components in Harmonic and Inharmonic Complex Tones in Auditory Midbrain.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 19 citations in OpenAlex.
- Timbre Encoding in the Inferior Colliculus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Dissociating the neural codes for multiple pitch perception in humans.bioRxiv : the preprint server for biology · 2025Article
- Mechanisms of Tone-in-Noise Encoding in the Inferior Colliculus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Prevalent Harmonic Interaction in the Bat Inferior Colliculus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- The auditory P2 is influenced by pitch changes but not pitch strength and consists of two separate subcomponents.Imaging neuroscience (Cambridge, Mass.) · 2024Article
- Human discrimination and modeling of high-frequency complex tones shed light on the neural codes for pitch.PLoS computational biology · 2022Article
- Rabbits use both spectral and temporal cues to discriminate the fundamental frequency of harmonic complexes with missing fundamentals.Journal of neurophysiology · 2022Article
- Multiple sounds degrade the frequency representation in monkey inferior colliculus.The European journal of neuroscience · 2022Article
- Rate and Temporal Coding of Regular and Irregular Pulse Trains in Auditory Midbrain of Normal-Hearing and Cochlear-Implanted Rabbits.Journal of the Association for Research in Otolaryngology : JARO · 2021Article
- Lemniscal Corticothalamic Feedback in Auditory Scene Analysis.Frontiers in neuroscience · 2021Review
- Article
- Pitch of harmonic complex tones: rate and temporal coding of envelope repetition rate in inferior colliculus of unanesthetized rabbits.Journal of neurophysiology · 2019Article
- Harmonic Cancellation-A Fundamental of Auditory Scene Analysis.Trends in hearingArticle
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2 authors at 2 institutions in 1 country.
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Abstract
Harmonic complex tones (HCTs) commonly occurring in speech and music evoke a strong pitch at their fundamental frequency (F0), especially when they contain harmonics individually resolved by the cochlea. When all frequency components of an HCT are shifted by the same amount, the pitch of the resulting inharmonic tone (IHCT) can also shift, although the envelope repetition rate is unchanged. A rate-place code, whereby resolved harmonics are represented by local maxima in firing rates along the tonotopic axis, has been characterized in the auditory nerve and primary auditory cortex, but little is known about intermediate processing stages. We recorded single-neuron responses to HCT and IHCT with varying F0 and sound level in the inferior colliculus (IC) of unanesthetized rabbits of both sexes. Many neurons showed peaks in firing rate when a low-numbered harmonic aligned with the neuron's characteristic frequency, demonstrating "rate-place" coding. The IC rate-place code was most prevalent for F0 > 800 Hz, was only moderately dependent on sound level over a 40 dB range, and was not sensitive to stimulus harmonicity. A spectral receptive-field model incorporating broadband inhibition better predicted the neural responses than a purely excitatory model, suggesting an enhancement of the rate-place representation by inhibition. Some IC neurons showed facilitation in response to HCT relative to pure tones, similar to cortical "harmonic template neurons" (Feng and Wang, 2017), but to a lesser degree. Our findings shed light on the transformation of rate-place coding of resolved harmonics along the auditory pathway.
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