Another might study the period from conception to infancy. Still others might focus on aspects of development during adolescence, such as the psychological changes that accompany puberty and the challenges involved in making a vocational choice. As the proportion of elderly in the nation's population has increased, the needs and changes associated with older adults have received increasing attention, and the concept of ongoing development has been extended to cover the entire lifespan. Educational Psychology is concerned with the basic processes of learning and the conditions under which teaching is most effective. Educational psychologists may study intellectual growth and adjustment, human ability and motivation, and curriculum development for a diverse student population.
Neuropsychology investigates the inter-relationships of biological and psychological processes.
Areas of interest include the ways in which psychological processes are determined by events in the nervous system, the impact of disease and injury on perception, emotion, and behavior, and the contribution of genetic inheritance to psychological processes. Neuropsychologists may teach and conduct research at colleges, universities and private research institutions. They may study brain function with the use of new imaging techniques, or they may find employment in drug companies and other private industries. Many are employed in hospitals and clinics where they are involved with the assessment and treatment of individuals with brain injuries. Psychology of Perception investigates the basic mechanisms of perception and sensation.