The study of the relationship between brain systems and behavior or mental activity.

The study of how a person’s mental life and behavior are shaped by interactions with other people.

Focuses on the delivery of comprehensive psychological services to children, adolescents,and families, in schools and other applied settings.

The study of human perception, thought, and memory.

The study of how thought and behavior are influenced by cultural factors.

The application or study of psychological principles relevant to the workplace. I/O psychologists often focus on improving productivity, health, and the quality of work life.

The study of the cognitive, emotional, and behavioral changes that occur across a person’s lifespan.

The study of (or the assessment and treatment of) mental, emotional, or behavioral disorders.

The application of psychological principles to legal issues.

The study of the nature of personality, including its development and structure.

The application of psychological principles and techniques to help people cope with everyday problems and serious adversity.

The application of psychological principles to help athletes refine their focus on competition goals, become more motivated, and learn to deal with the anxiety and fear of failure that often accompany competition.

Health psychologists study the relationship between psychological factors (e.g., stress) and health as well as how to effectively encourage and motivate patients to engage in healthy behaviors (e.g., changing dietary habits).