Primary school childrens exposure to Manganese(Mn) in Meyeton town: South Africa. 1.Put together a 2 page background on the neurotoxic effects of Mn and PM2.5 in children. Search Pubmed on the topic focusing on human studies in children and Mn/PM2.5. Also search under the above investigators and Maryse Bouchard and Donna Mergler. Focus on key neurologic functions (executive function, cognitive control) or neuropsychiatric disease states. Consider known brain pathways in this discussion. For Mn, neurologic functions affected should relate to basal ganglia circuits. For PM2.5, it is less clear but possibly more diffuse cortical functions. 2 Write a paragraph on the significance of the study.