The biological perspective is one of the major perspectives in psychology. It is the only approach in psychology that studies a person’s thoughts, feelings, and behaviors from a biological and physical stand point of view. Therefore, all that is psychological starts out as physiological. There are some biological aspects that can help explain human behavior. Theories within this perspective tend to support nature over nurture. However, it is limiting to describe behavior solely in terms of either nature or nurture. Attempts to do this underestimate the complexity of human behavior.
Optimistic attitudes are generally mediated by the left hemisphere in the brain. An optimistic way of life can be induced by manipulation