PHS 339- Psychology of Health Science

Introduction This unit attempts to explain behaviour, its complexity and how this behaviour is determined. The role of heredity and environment in forming and shaping behaviour. Every behavior begins with biology. Our behaviors, as well as our thoughts and feelings, are produced by the actions of our brains, nerves, muscles, and glands. In this chapter we will begin our journey into the world of psychology by considering the biological makeup of the human being, including the most remarkable of human organs, the brain. We will only consider the genetic aspect of behaviour determination in this course and the methods that psychologists use to study the brain and to understand how it works. However, environment shapes and remold the genetic or the heredity or the biological origin.