We are looking for kids ages 14-17 to participate in a paid fMRI study on brain development in Boulder. Participants will spend 1 hr in a MRI scanner doing cognitive tasks and then 1 hr outside of the scanner answering questionnaires. Participants will be paid $60 and will be provided with images of their brain. To be eligible, you must: *be 14-17 year old *have parental permission *be right-handed *meet MR safety requirements *not have a neurological disorder Interested? Email Harry at costudies@gmail.com re: CU Adol EF