Homework Set III: Physiological Acoustics - Definitions of Terms

Part 1. Anatomy and Function

Provide a brief description of function of each of the following anatomical structures of the outer, middle, and inner ear. Make sure that your statements are complete, but also be concise. Use additional sheets if necessary.

Concha

Ear Canal

Tympanic Membrane

Oval Window

Pinnae

Eustachian Tube

Stapedial and tensor tympani muscle

Ossicular Chain

Organ of Corti

Basilar Membrane

Tectorial Membrane

Inner and Outer Hair Cells

Hair Cell Stereocilia

Tunnel Radial Fibers

Inner Spiral Fibers

Outer Spiral Fibers

Radial Fibers

Superior Olivary Complex

Part 2. Definitions of terms

Provide a brief description/definition of each of the following terms. Where appropriate indicate the importance of each for auditory function. Again, be complete but concise.

Temporal Code

Place Code

Traveling Wave Paradox

Shearing Force

Hair Cell Motility

Transduction

Graded Potential

Spike Response (Action Potential)

Period Histogram

Iso-intensity Curve

Physiological Tuning Curve (Iso-rate Curve)

Interval Histogram

Divergence and Convergence of Inputs

Characteristic (Best) Frequency

Neural Circuit

Plasticity

Feature Analysis

Tonotopic Organization

Neurotransmitter Substance

Hair Cell Regeneration

Sensitivity versus Selectivity

Otoacoustic Emmission

Volley Theory

Mail