ArticleFrontiers in neural circuits2015
Periodotopy in the gerbil inferior colliculus: local clustering rather than a gradient map.
Article in Frontiers in neural circuits, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed.
- Multichannel optical cochlear implants enable spectrally distinct auditory activity.EMBO molecular medicine · 2026Article
- Noise statistics drive background- and channel-specific interference in auditory midbrain representations of speech.bioRxiv : the preprint server for biology · 2026Article
- Cortical representation of pitch perception in mice.Communications biology · 2026Article
- Neurophysiological sensitivity to envelope and pulse timing interaural time differences in cochlear implanted rats with different hearing experiences.The Journal of physiology · 2026Article
- Orthogonal spectral and temporal envelope representation during the onset phase in auditory cortex.iScience · 2025Article
- Precise spike-timing information in the brainstem is well aligned with the needs of communication and the perception of environmental sounds.PLoS biology · 2025Article
- Neural sensitivity to frequency changes in song structure in a high-order auditory area reflects tutor song memory in adult songbirds.Brain structure & function · 2024Article
- Distinct Neuron Types Contribute to Hybrid Auditory Spatial Coding.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Dissociable Roles of the Auditory Midbrain and Cortex in Processing the Statistical Features of Natural Sound Textures.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Gradients of response latencies and temporal precision of auditory neurons extend across the whole inferior colliculus.Journal of neurophysiology · 2023Article
- Article
- Neural processing and perception of Schroeder-phase harmonic tone complexes in the gerbil: Relating single-unit neurophysiology to behavior.The European journal of neuroscience · 2022Article
- Article
- The precedence effect in spatial hearing manifests in cortical neural population responses.BMC biology · 2022Article
- Sensitivity of neural responses in the inferior colliculus to statistical features of sound textures.Hearing research · 2021Article
- 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
- Microsecond interaural time difference discrimination restored by cochlear implants after neonatal deafness.eLife · 2021Article
- Distinct neural ensemble response statistics are associated with recognition and discrimination of natural sound textures.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Hidden Hearing Loss Impacts the Neural Representation of Speech in Background Noise.Current biology : CB · 2020Article
- μLED-based optical cochlear implants for spectrally selective activation of the auditory nerve.EMBO molecular medicine · 2020Article
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3 authors.
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Abstract
Periodicities in sound waveforms are widespread, and shape important perceptual attributes of sound including rhythm and pitch. Previous studies have indicated that, in the inferior colliculus (IC), a key processing stage in the auditory midbrain, neurons tuned to different periodicities might be arranged along a periodotopic axis which runs approximately orthogonal to the tonotopic axis. Here we map out the topography of frequency and periodicity tuning in the IC of gerbils in unprecedented detail, using pure tones and different periodic sounds, including click trains, sinusoidally amplitude modulated (SAM) noise and iterated rippled noise. We found that while the tonotopic map exhibited a clear and highly reproducible gradient across all animals, periodotopic maps varied greatly across different types of periodic sound and from animal to animal. Furthermore, periodotopic gradients typically explained only about 10% of the variance in modulation tuning between recording sites. However, there was a strong local clustering of periodicity tuning at a spatial scale of ca. 0.5 mm, which also differed from animal to animal.
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