Psychology, the branch of medical studies related to the study of human behavior is not that much old, if compared with other branches of medical studies. It is hardly 125 years old discipline yet exerts greater influence on subject matter spanning from biology to sociology. Psychology, studies, critical relationship between biology that studies functions of body and sociology that studies function of a person in a society. A psychologist studies relationship between brain function and behavior and the one between the environment and behavior. He like a scientist also follows scientific methods using careful observation, experimentation and analysis. But psychologist someway also expected to be creative for better results from the scientific calculations.

As for working of psychologists, they can either work independently or can team up with other professionals. In a team of psychologists, the other involved professional can be scientists, physicians, lawyers, school personnel, computer experts, engineers, policy makers and managers. And there work place involves invariable places like laboratories, hospitals, courtrooms, school, universities, community health centers, prison and corporate offices. They learn and functions in both normal as well as abnormal functioning and treat patients suffering with mental and emotional problems. They also read reasons which can impact over mental balance of a healthy person. Therefore, they work along business executives, performers and athletes to reduce stress and improve performance. However, on the basis of expansion, psychology is the most unique and import characteristics of practicing science and practice together.  Hence due to intermixing of thoughts between science and social behavior there are many branches of psychology.

• Clinical Psychologists: They are the person who assess and treat mental, emotional, and behavioral disorders which ranges from the short term crises like from adolescent rebellion to serious ones like schizophrenia. These psychologists treat specific problems like phobias or clinical depression.
• Cognitive and Perceptual Psychologists: They are the psychologists who deal with study of human perception, thinking and memory. They in order to eradicate and deal with problems regularly collaborate with behavioral neuroscientists to understand the biological bases of perception or cognition.
• Counseling Psychologists:  Counseling psychologists helps people by solving their problems related to work and career aspect of their life.
• Developmental Psychologists: This branch of psychology primarily deals with solving problems of the elderly people. Their main focus of therapy is to let elders live their life as freely as possible and in cordial manner.
• Educational Psychologists: They are the persons who deal with in providing effective teaching and learning to take place and take a good number of factors like human abilities, student motivation, effective classroom learning, and diversity of race, ethnicity and culture.

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