Explore the brain at different ages in the lifespan. Instructions: Combining internet research and critical thinking to reveal milestones and identify concerns for the aging brain, you will write an essay to demonstrate your understanding of this essential life organ. Select any two ages you would like to learn more about for this assignment, then: Compare and contrast the brain for two different ages; for example, at two years of age and at nine years of age Be sure to also summarize abilities and/or possible effects of age for each of the age groups you are comparing. Step 1: Research. Conduct research to identify what brain functioning looks like for the ages you′ve selected. It is recommended that you conduct research through our Online Library (Link will open in new tab.) or use a scholarly internet search.