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Microsecond-precision sound localization emerges from slow equilibrium dynamics. ITD represented as stable equilibrium of neural population dynamics rather than classical Jeffress place-coding framework.
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| name | sound-localization-equilibrium-dynamics |
| description | Microsecond-precision sound localization emerges from slow equilibrium dynamics. ITD represented as stable equilibrium of neural population dynamics rather than classical Jeffress place-coding framework. |
| activation | sound localization, ITD, interaural time difference, equilibrium dynamics, neural population coding, auditory neuroscience, binaural perception, Jeffress model, computational auditory |
| tags | ["neuroscience","auditory-system","sound-localization","neural-dynamics","population-coding","equilibrium","ITD","binaural-processing"] |
| arxiv_id | 2607.03890 |
| date | 2026-07-04T00:00:00.000Z |
| authors | arXiv q-bio.NC |
| venue | arXiv |
Title: Microsecond-precision sound localization emerges from slow equilibrium dynamics
arXiv: 2607.03890
Date: July 4, 2026
Category: q-bio.NC
Paradox: Precise sound localization relies on microsecond sensitivity to interaural time differences (ITDs), yet binaural perception exhibits sluggish tracking of dynamic acoustic cues. How can these properties coexist?
Classical view: Jeffress (1948) place-coding framework requires explicit delay lines or precisely timed inhibition to achieve microsecond precision.
ITD is represented as a stable equilibrium of neural population dynamics rather than by classical place-coding:
| Feature |
|---|
| Jeffress Model |
|---|
| Equilibrium Model |
|---|
| Coding scheme | Place code (which neuron fires) | Equilibrium position |
| Delay mechanism | Explicit delay lines | Emergent from dynamics |
| Temporal precision required | Microsecond | Millisecond |
| Inhibition timing | Precise | Not critical |
| Physiological plausibility | Low (requires delay lines) | High |
