Tony Wright is a consciousness researcher who studied horticulture and plant biochemistry at the Royal Botanic Garden in Edinburgh. Graham Gynn is an agricultural zoologist, educator, and researcher who has appeared on the BBC. Both authors live in Cornwall, England.

“Return to the Brain of Eden presents a totally new way of looking at the evolution of the human brain. It is fresh and unexpected; it will make an impact and must be taken seriously in discussions of human origins.”

• Foreword by Dennis J. McKenna, Ph.D. Introduction by Graham Gynn 1 Two Sides to Everything The Double Brain Handedness Accessing the Right Brain Is Handedness Helpful? Sleep Hidden Potential Telepathy The Manchester Trial A New Hypothesis 2 From the Forest Human Evolution Juvenility and Bipedalism Hairlessness and Vitamin D Big Brains Cast Out of the Garden Aggression Why Did Our Brains Stop Expanding? Ancestral Diets Humans Are by Nature Frugivorous Protein, Fatty Acids, and Water 3 Figs, Steroids, and Feedback Loops The Core Hypothesis A New Theory of Inheritance Chemicals in Plants The First Primates A Change in Diet and an Increase in Brain Size The Pineal and Exponential Brain Expansion Surviving on the Savanna Divide and RuleThe Implications of Agriculture Junk Food and Degeneration 4 Steroid Hormones: Immunity, Digestion, and the “Second Brain” The Immune System The Thymus Gland A Second Brain 5 Fertility and Function Human Fertility The Ancestral Period The Period of Steroid Inhibition Flavonoids and the Female Cycle The Lost Connection between Ovulation and Orgasm Males, Diet, and Libido The Fall Hairy Women and Bald Men Serotonin, Testosterone, Depression, and Murder Testosterone, Society, and Consciousness Melatonin, the Pineal, and Sex 6 Consciousness and the Mechanisms of the Mind The Bicameral Mind Let’s Sing about It The Written Word and Cerebral Dominance Hemispherectomy Schizophrenia Multiple Personality Disorder The Internal Liar Hypnosis The Problem with Words Confabulation Deeper into Fear Higher Function 7 Drugs, the Brain, and Peak Experiences Sex, Drugs, and Tantric Taboos DMT, the Pineal, and Spirit Ecstasy and Empathy Superman and Superwoman 8 Mad Hatters and Maverick Scientists Transcranial Magnetic Stimulation Weak Electromagnetic Fields Other Research Areas Restoration Afterword Recommended Reading References Index

Tony Wright is a consciousness researcher who studied horticulture and plant biochemistry at the Royal Botanic Garden in Edinburgh. Graham Gynn is an agricultural zoologist, educator, and researcher who has appeared on the BBC. Both authors live in Cornwall, England.

“Return to the Brain of Eden presents a totally new way of looking at the evolution of the human brain. It is fresh and unexpected; it will make an impact and must be taken seriously in discussions of human origins.”

• Foreword by Dennis J. McKenna, Ph.D. Introduction by Graham Gynn 1 Two Sides to Everything The Double Brain Handedness Accessing the Right Brain Is Handedness Helpful? Sleep Hidden Potential Telepathy The Manchester Trial A New Hypothesis 2 From the Forest Human Evolution Juvenility and Bipedalism Hairlessness and Vitamin D Big Brains Cast Out of the Garden Aggression Why Did Our Brains Stop Expanding? Ancestral Diets Humans Are by Nature Frugivorous Protein, Fatty Acids, and Water 3 Figs, Steroids, and Feedback Loops The Core Hypothesis A New Theory of Inheritance Chemicals in Plants The First Primates A Change in Diet and an Increase in Brain Size The Pineal and Exponential Brain Expansion Surviving on the Savanna Divide and RuleThe Implications of Agriculture Junk Food and Degeneration 4 Steroid Hormones: Immunity, Digestion, and the “Second Brain” The Immune System The Thymus Gland A Second Brain 5 Fertility and Function Human Fertility The Ancestral Period The Period of Steroid Inhibition Flavonoids and the Female Cycle The Lost Connection between Ovulation and Orgasm Males, Diet, and Libido The Fall Hairy Women and Bald Men Serotonin, Testosterone, Depression, and Murder Testosterone, Society, and Consciousness Melatonin, the Pineal, and Sex 6 Consciousness and the Mechanisms of the Mind The Bicameral Mind Let’s Sing about It The Written Word and Cerebral Dominance Hemispherectomy Schizophrenia Multiple Personality Disorder The Internal Liar Hypnosis The Problem with Words Confabulation Deeper into Fear Higher Function 7 Drugs, the Brain, and Peak Experiences Sex, Drugs, and Tantric Taboos DMT, the Pineal, and Spirit Ecstasy and Empathy Superman and Superwoman 8 Mad Hatters and Maverick Scientists Transcranial Magnetic Stimulation Weak Electromagnetic Fields Other Research Areas Restoration Afterword Recommended Reading References Index

Tony Wright is a consciousness researcher who studied horticulture and plant biochemistry at the Royal Botanic Garden in Edinburgh. Graham Gynn is an agricultural zoologist, educator, and researcher who has appeared on the BBC. Both authors live in Cornwall, England.

“Return to the Brain of Eden presents a totally new way of looking at the evolution of the human brain. It is fresh and unexpected; it will make an impact and must be taken seriously in discussions of human origins.”

• Foreword by Dennis J. McKenna, Ph.D. Introduction by Graham Gynn 1 Two Sides to Everything The Double Brain Handedness Accessing the Right Brain Is Handedness Helpful? Sleep Hidden Potential Telepathy The Manchester Trial A New Hypothesis 2 From the Forest Human Evolution Juvenility and Bipedalism Hairlessness and Vitamin D Big Brains Cast Out of the Garden Aggression Why Did Our Brains Stop Expanding? Ancestral Diets Humans Are by Nature Frugivorous Protein, Fatty Acids, and Water 3 Figs, Steroids, and Feedback Loops The Core Hypothesis A New Theory of Inheritance Chemicals in Plants The First Primates A Change in Diet and an Increase in Brain Size The Pineal and Exponential Brain Expansion Surviving on the Savanna Divide and RuleThe Implications of Agriculture Junk Food and Degeneration 4 Steroid Hormones: Immunity, Digestion, and the “Second Brain” The Immune System The Thymus Gland A Second Brain 5 Fertility and Function Human Fertility The Ancestral Period The Period of Steroid Inhibition Flavonoids and the Female Cycle The Lost Connection between Ovulation and Orgasm Males, Diet, and Libido The Fall Hairy Women and Bald Men Serotonin, Testosterone, Depression, and Murder Testosterone, Society, and Consciousness Melatonin, the Pineal, and Sex 6 Consciousness and the Mechanisms of the Mind The Bicameral Mind Let’s Sing about It The Written Word and Cerebral Dominance Hemispherectomy Schizophrenia Multiple Personality Disorder The Internal Liar Hypnosis The Problem with Words Confabulation Deeper into Fear Higher Function 7 Drugs, the Brain, and Peak Experiences Sex, Drugs, and Tantric Taboos DMT, the Pineal, and Spirit Ecstasy and Empathy Superman and Superwoman 8 Mad Hatters and Maverick Scientists Transcranial Magnetic Stimulation Weak Electromagnetic Fields Other Research Areas Restoration Afterword Recommended Reading References Index