The Evolutionary Mechanism of Human Dysfunctional Behavior

Relaxation of Natural Selection Pressures throughout Human Evolution, Excessive Diversification of the Inherited Predispositions Underlying Behavior, and Their Relevance to Mental Disorders

Ivan Fuchs

• Publisher: Diversion Publishing
• Year: 2019
• eBook ISBN: 9781635766028
• Edition: 0
• Topic: Medicine
• Subtopic: Evolutionary Psychology

Author is highly renowned psychiatrist. Required reading for anyone in the fields of psychiatry, psychology, social work, school counselors, and related mental-health fields. Psychopharmachology is big business. This book applies to doctors and patients around the world. This book explains why humanity is by far the most successful animal in the animal kingdom, but when it comes to instincts that ensure the survival of the species, we pull against natural selection. Unique among vertebrates, humans have the innate liability of developing varied forms of dysfunctional or maladaptive behavior, the graver of which are categorized as mental disorders. Fuchs explains why this is the case, setting his discussion within the fields of psychiatry, evolutionary biology, and genetics, marshalling a wide-range research to make a compelling case. Why is humanity by far the most successful animal in the animal kingdom, but when it comes to survival of the fittest, we pull against the impulse toward natural selection? Unique among vertebrates, humans develop and practice varied forms of dysfunctional or maladaptive behavior, the graver of which are categorized as mental disorders, which doesn't sustain our species. Dr. Ivan Fuchs explains why this is the case, setting his discussion within the fields of psychiatry, evolutionary biology, and genetics, marshalling a wide-range research to make a compelling case. In this work, Dr. Ivan Fuchs provides his theory on human dysfunctional behavior rooted in Darwinian evolutionary thinking. His theory includes: 1. An attempt to identify the basic evolutionary mechanism that leads to dysfunctional or maladaptive behavior that is increasing in human populations. He proposes that this mechanism consists of progressive relaxation of selection pressures originating in the natural environment as a result of the technological and cultural development in human civilization. These developments protect against many natural inconveniences and dangers such as harmful weather conditions; scarce or unreliable food supplies; cruel, even deadly competition for life-sustaining or reproductive resources; danger of predation, and so on. The relaxation of natural selection pressures leads to excessive diversification of innate predispositions that, due to the complexities of social coexistence, has both far-reaching beneficial, as well as harmful, consequences. 2. Dr. Fuchs deals primarily with severe forms of dysfunctional behavior (categorized as mental disorders), pinpointing those genetically based behavioral complexes which predispose humans to anxiety, affective and personality disorders, paranoia, and schizophrenia. 3. Dr. Fuchs also makes clear that the above innate predispositions cannot lead by themselves to the whole clinical picture of diagnosable mental disorder categories. In order for full-blown clinical symptomatology to develop, the innate predisposition has to interact with influences after childbirth, first of all, learning. Consequently, psychiatric understanding and research has to distinguish sharply between those mental (brain) structures and functions which constitute the innate predisposition to a certain mental disorder versus those ones involved secondarily during the lifespan. This consideration is detailed in the case of schizophrenia spectrum of disorders. The above theoretical considerations have important therapeutic, preventive and research implications.

Table of contents

• Cover Page
• Why Is Maladaptive Behavior so Frequent in Humans?
• The Evolutionary Mechanism of Human Dysfunctional Behavior
• Title Page
• Copyright
• Epigraph
• Contents
• Introduction
• 1 Scientific Theory and Methodology
• 2 The Concept of Instinct
• 3 On Additional Scientific Branches Relevant to the Present Theory
• 4 Relaxation of Natural Selection Pressures
• 5 Four Comprehensive Instinctive Mechanisms and the Relevance of Their Excessive Diversification to Human Dysfunctional Behavior
• 6 The Effects of Psychotropic Drugs in the Context of the Present Theory
• 7 Discrete Clinical Disorders in Evolutionary Perspective
• 8 Summary and Implications
• Acknowledgments
• References
• Endnotes
• Index
• Contents
• About the Author
• Back Cover