Plants and the Human Brain

Hardcover | March 17, 2014

byDavid O. Kennedy

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We're all familiar with the idea that plant-derived chemicals can have an impact on the functioning of the human brain. Most of us reach for a cup of coffee or tea in the morning, many of us occasionally eat some chocolate, some smoke a cigarette or take an herbal supplement, and some peopleuse illicit drugs. We know a great deal about the mechanisms by which the psychoactive components of these various products have their effects on human brain function, but the question of why they have these effects has been almost totally ignored.This book sets out to describe not only how, in terms of pharmacology or psychopharmacology, but more importantly why plant- and fungus-derived chemicals have their effects on the human brain. The answer to this last question resides, in part, with the terrestrial world's two dominant life forms,the plants and the insects, and the many ecological roles the "secondary metabolite" plant chemicals are trying to play; for instance, defending the plant against insect herbivores whilst attracting insect pollinators. The answer also resides in the intersecting genetic heritage of mammals, plants,and insects and the surprising biological similarities between the three taxa. In particular it revolves around the close correspondence between the brains of insects and humans, and the intercellular signaling pathways shared by plants and humans. Plants and the Human Brain describes and discusses both how and why phytochemicals affect brain function with respect to the three main groups of secondary metabolites: the alkaloids, which provide us with caffeine, a host of poisons, a handful of hallucinogens, and most drugs of abuse (e.g.morphine, cocaine, DMT, LSD, and nicotine); the phenolics, including polyphenols, which constitute a significant and beneficial part of our natural diet; and the terpenes, a group of multifunctional compounds which provide us with the active components of cannabis and a multitude of herbal extractssuch as ginseng, ginkgo and valerian.

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We're all familiar with the idea that plant-derived chemicals can have an impact on the functioning of the human brain. Most of us reach for a cup of coffee or tea in the morning, many of us occasionally eat some chocolate, some smoke a cigarette or take an herbal supplement, and some peopleuse illicit drugs. We know a great deal about...

David Kennedy is a Professor of Biological Psychology and the Director of the Brain, Performance and Nutrition Research Centre at Northumbria University in the UK. His own research centers around the effects of nutritional interventions, including plant derived chemicals, on human brain function.

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Format:HardcoverDimensions:400 pages, 9.29 × 6.42 × 1.1 inPublished:March 17, 2014Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:019991401X

ISBN - 13:9780199914012

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Table of Contents

1. From shamans to starbucks2. Secondary metabolites and the life of plants3. More alike than we are unalike - Why do plant chemicals affect the human brain?4. Alkaloids and the lives of plants and humans5. The Rewarding Or ADDICTIVE Drugs6. The Hallucinogens7. The Deliriants - The nightshade (Solanaceae) family8. Phenolics and the Lives of Plants and Animals9. Phenolics and the human brain10. Terpenes and the Lives of Plants and Animals11. The Lamiaceae sub-tribe Salviinae - the Salvia, Rosmarinus and Melissa genera12. Cannabis and the cannabinoids13. Some Miscellaneous Terpenes14. In conclusion, comparing and contrasting the alkaloids, phenolics and terpenes

Editorial Reviews

"The book is extremely well referenced; therefore, not only is the text a treasure of amazing scientific discourses, but it is also an excellent factual resource that enables the reader to go beyond the book's scope. The exciting debate about the link between plants and humans continutes, andKennedy has provided a fascinating new synthesis and exciting new insights based on a critical assesment of biochemical, pharmacological, and phytochemical evidence." --BioScience