This volume celebrates the 20th anniversary of the first application of superconducting mag netic field sensors to biomagnetism by providing a comprehensive survey of advances in biomag netic research worldwide. "Biomagnetism" is the investigation of biological processes as reflected by accompanying magnetic fields. It embraces basic and clinical research, as well as applications in medicine and occupational health. The contents of this book are the proceedings of the 7th Interna tional Conference on Biomagnetism, held from August 13 through 18, 1989, at New York Univer sity - in the heart of...