Children with Attention-Deficit/Hyperactivity Disorder (ADHD) are typically treated with two types of medications: stimulants and non-stimulants. These medications work in different ways to treat ADHD symptoms, but we do not fully understand the brain mechanisms underlying the medications' effects. This study will use MRI…
This study is for women with breast cancer who will be undergoing lumbar puncture to evaluate for the presence of leptomeningeal metastasis, a complication in which the cancer spreads to the membranes (meninges) surrounding the brain and spinal cord. This condition is typically diagnosed by examining the cerebrospinal fluid…