View Tag: ‘frequencies’
Volume 12
Why Are Tuning Curves Wider At The Top? Why Aren’t The Edges Straight Vertical Lines?
by Steve Aiken, PhD
Tuning curves reflect movement on the basilar membrane. To understand the shape of the traveling wave, we need to talk about the impedance gradient of the membrane (i.e., the decrease in stiffness and increase in mass as we go from base to apex).