This revised edition of Oliver Sacks's book is considerably
expanded with additional case histories, new findings and practical
information on treatment. In a new chapter, illustrated with
startling colour paintings by migraine patients, Dr Sacks discusses
similiarities among the visual hallucinations, or auras, that often
precede a migraine and those that are induced by hallucinogenic
drugs or deliria. Drawing on recent advances in chaos theory and... more...