1. Introduction.- 1.1. Anatomical Considerations.- 1.2. Evaluation of Present Views on Etiology and Pathogenesis of Acute Facial Nerve Palsy.- 2. Investigations, Part I: Intratemporal Stimulation of Facial Nerve for Localization of Conduction Block in Idiopathic Facial Palsy, Herpes Oticus, and Melkersson-Rosenthal Syndrome.- 2.1. Operative Access to the Internal Auditory Channel and Other Intrapetrosal Sections of the Facial Nerve.- 2.2. Findings in Favor of a Revised Conception of the Relevant Pathogenetic Factors in Acute Facial Palsies.- 3. Investigations, Part II: Electrophysiologic Investigations on the Natural History of Acute Facial Palsies.- 3.1. Electrodiagnosis of the Facial Nerve.- 3.2. Remarks on Some Clinical Features of Acute Facial Palsies.- 3.3. Case Reports.- 3.4. Results.- 3.5. Prognosis of Acute Facial Palsies.- 3.6. Operation in Acute Facial Palsy: Transtemporal Decompression.- 3.7. Indications for Transtemporal Decompression of the Facial Nerve.- 3.8. On Drug Therapy of Idiopathic Facial Palsy.- Summary.- References.- Cases.- Author's Postscript.
