"Sponsored by the Deutsche Forschungsgemeinschaft and the Bayerisches Staatsministerium für Unterricht und Kultus."

Includes bibliographies.

I. Structure and Neurobiology of the Inner Ear.- Morphology of the walls of the cochlear duct.- Neuroanatomy of the cochlea.- Comments.- Neurobiology of hair cells and their synapses.- II. Cochlear Mechanisms.- Measurements of sound pressure in the cochleae of anesthetized cats.- Comments.- Basilar membrane data and their relation to theories of frequency analysis.- Comments.- The significance of shearing displacements for the mechanical stimulation of cochlear hair cells.- Comments.- Enlarged hydromechanical cochlea model with basilar membrane and tectorial membrane.- A model for mechanical to neural transduction in J.L. HALL the auditory receptor.- Comments.- A "second filter" established within the scala media (General Comment).- An alternative approach to the second filter (General Comment).- III. Auditory Frequency Analysis.- Neuro-mechanical frequency analysis in the cochlea.- Auditory frequency selectivity and the cochlear nerve.- Comments.- On a psychoacoustical equivalent of tuning curves.- Pure-tone masking; a new result from a new method.- Frequency selectivity and the tonal residue.- Frequency discrimination at the threshold.- Monotic and dichotic pitch matchings with complex sounds.- Comments.- IV. Auditory Time Analysis.- Recordings from spiral ganglion neurons.- Comments.- Coding of repetition noise in the cochlear nucleus in cat.- Comments.- Comments.- Information processing in the higher parts of the auditory pathway.- Dynamic properties of cochlear nucleus units in response to excitory and inhibitory tones.- Roughness and its relation to the time-pattern of psychoacoustical excitation.- Transient masking pattern of narrow band maskers.- Masking patterns and lateral inhibition.- Comments.- The slopes of masking patterns (General Comments).- Comments.- A crude quantitative theory of backward masking.- V. Nonlinear Effects.- Nonlinear effects in the transient response of the basilar membrane.- Nonlinear mechanisms and cochlear selectivity.- Cochlear microphonic correlates of cubic difference tones.- The representation of tones and combination tones in spike discharge patterns of single cochlear nerve fibers.- On the mechanisms of combination tone generation and lateral inhibition in hearing.- Comments.- Subjective phase effects and combination tones.- Pitch of pure tones: its relation to intensity.