Shepard Siegel

Distinguished University Professor, McMaster University

Shepard Siegel is a distinguished university professor of psychology, neuroscience and behaviour (Emeritus) at McMaster University in Hamilton, Ontario, Canada.

Written by Shepard Siegel

Black and white photo of a woman with a cigarette supporting an unsteady man, indoors by a wall, creating a sense of tension.

ideaConsciousness and altered states

Solving the heroin overdose mystery: how small doses can kill

Shepard Siegel