Psychology is the science of mind and behavior. It also includes the study of conscious and unconscious behavior of living beings. It primarily focuses on mental processes such as perception, cognition, attention, emotion, motivation, personality and intelligence. The major schools of thoughts in this discipline are biological, behavioural, psychoanalysis, cognitive, social and humanistic. Psychology is an umbrella discipline that branches out into abnormal psychology, educational psychology, cultural psychology, ecological psychology, etc. Psychological research is conducted through qualitative and quantitative methods to study and analyze the behavior and experiences of individuals as well as groups. The field finds its application in the areas of mental health care, education, and military and intelligence. Some of the diverse topics covered in this book address the varied branches that fall under the field of psychology. It aims to shed light on some of the unexplored aspects of psychology and the recent researches in this discipline. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject.