The meninges are three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that surround the neuraxis. The meninges of the brain and spinal cord are continuous, being linked through the magnum foramen. Dura Mater.
Developmental psychology, also referred to as human development, is the scientific and methodical study of systematic psychological changes that take place in human beings over the course of their life span. At first, the study of developmental psychology was only concerned with infants and children. But today, the field has grown to comprise of adolescence, adult development, aging, and the entire life span of an individual.
Human development is a relatively new concept; it is the main focus to development economics - a modern branch of economics. While human development used to be measured simply by increases in real GDP per capita, economists have now realised that this is not particularly accurate.uman development is a relatively new concept; it is the main focus to development economics - a modern branch of economics. While human development used to be measured simply by increases in real GDP per capita, economists have now realised that this is not particularly accurate.