08-Study Guide Early Childhood-Biosocial Development #1-Discuss the major diseases that may occur in children and adults that are overweight. #2-Discuss the effects of early tooth decay. #3-Discuss myelination, what it is, and what it does. #4-Discuss the corpus callosum and what it does. #5-Discuss the right and left hemispheres of the brain and what each specializes in. #6-Discuss the pre-frontal cortex of the brain, the effects of it being undeveloped, and how long it takes to develop relative to other parts of the brain. #7-Discuss the amygdala, hippocampus, and hypothalamus parts of the brain and what they focus on. #8-Discuss gross and fine motor skills giving examples of each one. #9-Discuss the three levels of prevention for avoidable injuries and what each level focuses on. #10-Discuss the difference between child abuse and child neglect giving an example of each one. #11-Discuss the main symptoms of maltreatment of children.