Schizophrenia and Evolution

The greatest achievement of mankind may well be the suppression of dopamine.

Neanderthal’s Dream

In my book, “Footprints of Schizophrenia: the Evolutionary Roots of Mental Illness” I show how the only explanation of schizophrenia that explains the major data about this illness is an evolutionary one.

Steven Lesk M.D.

I’m a board certified psychiatrist practicing with adult patients for the past 35 years. This website is dedicated to promoting information about the role of evolution in mental illness.

Youtube Channel

ThinkingPsych is my youtube channel in which I explain my views on evolution and schizophrenia, the greatest neuro-chemical achievements of humankind, how language transformed the brain of a Homo sapiens and other related topics. Visit my channel at https://www.youtube.com/channel/UCy9L0eKBSwUl2-3VpWCkLLA


The Diagnostic and Statistical Manual 5 of the American Psychiatric Association lists the following as symptoms of schizophrenia; delusions; hallucinations; disorganized speech; grossly disorganized or catatonic behavior; negative symptoms.


Despite decades of research we are woefully ignorant about the most serious of mental illnesses, schizophrenia.


Cognitive regression distinguishes schizophrenia from the affective or mood disorders.