Tonotopic Organisation of the Cochlea & Auditory Cortex

TONOTOPIC LOCUS: 1000 Hz (1.00 kHz) | $d = 20.8\text{ mm}$

🎙️ OVERVIEW AUDIO GUIDE Introduction

00:00 / 05:20

Acoustic Stimulus ($f$) 1000 Hz

Intensity Level (SPL) 60 dB SPL

Stimulus Waveform Mode

Cochlear Micromechanics & OHC Engine

Active OHC Electromotility (Prestin) 100% (+45 dB)

Basilar Membrane Stiffness Gradient ($k_0$) 1.00× (Normal)

Characteristic $x_{CF}$ 20.8 mm

Bandwidth $Q_{10\text{dB}}$ 8.4

Ascending Pathway & Primary Auditory Cortex

Cortical Tonotopic Organization

Anatomical View Focus

Ascending Spike Pulses