PSY210H1 Chapter Notes - Chapter 5: Axon Hillock, Axon Terminal, Grey Matter
Document Summary
Mulilevel framework, from cells to society, for understanding developmental process. Gyrus a ridged or raised porion of a convoluted brain surface. Sulcus a furrow of a convoluted brain surface. Cerebral cortex outer covering of ch which consist of nerve cell bodies and their branches. White mater under the cortex, largely myelinated axons. Grey mater areas of brain that are mostly cell bodies and have no myelin. These form the ventricular system: shock absorver brain is protected from sudden movements, creats a medium for exchange of materials (nutrients) Even with complete parental dependence, two year olds have reached signiicant proporions of adult size, especially in brain development this is dramaic evidence that biosocial growth is the foundaion for cogniion and social maturity. New neuron connecions: 1000 trillion connecions by age 3. Neurons collect signals from several sources / integrates and transforms informaion, and distributes to other cells.
