KEY FEATURES: A unique focus on the theories of addiction helps fill a gap in the literature that allows readers to connect theory to practice. A single case study explored from multiple perspectives allows students to compare all approaches applied to client situations. Sidebars with classroom discussion questions and activities assist students in further exploration of the theories. A list of resources concludes each chapter to encourage continued learning.
Chapter 3: Biological Theory: Genetics and Brain Chemistry
The effect of drugs on a person's physiological functioning is multifaceted. As a drug enters the body it impacts numerous systems (e.g., immune, digestive) with the most severe effect being on the central nervous system (CNS). In particular, the brain's reward pathway is hijacked by the chronic use of alcohol and other drugs that results in risky drug seeking and drug-using behaviors. Thus, professional counselors need to have a basic understanding of the neurobiology of addiction regarding how drugs alter brain chemistry.
The human brain contains 100 billion neurons or nerve cells ...