Peter Breggin, MD, Electroshock: Its Brain-Disabling Effects (Springer) 1979

Dr. Breggin cites evidence that indicates that electoshock (electro-convulsive therapy) causes nerve damage and overall shrinkage of the brain tissues; he provides a convincing counter to the insistence of pro-shock psychiatrists who claim that it cures depression 'even though no one understands the mechanism' [or something to that effect] by citing a barrage of case studies that seem to indicate not only that it causes substantial and permanent memory loss as a consequence of brain damage, but that the euphoria caused by brain damage and the eradication of memory (painful and otherwise) are the primary, not the side effects; that is how it 'works'

Read more from the ECT clearinghouse and this note from the front lines of the shock shop