Branches of Psychology Various fields of specialization in psychology: Cognitive Psychology • Investigates mental processes involved in acquisition, storage, manipulation, and transformation of information received from the environment along with its use and communication. • The major cognitive processes are attention, perception, memory, reasoning, problem solving, decision-making and language. • In order to study these cognitive processes, psychologists conduct experiments in laboratory settings. • Some of them also follow an ecological approach, i.e. an approach which focuses on the environmental factors, to study cognitive processes in a natural setting. Cognitive psychologists often collaborate with neuroscientists and computer scientists. Biological Psychology • Focuses on the relationship between behavior and the physical system, including the brain and the rest of the nervous system, the immune system, and genetics. • Biological psychologists often collaborate with neuroscienti...