Transcranial Magnetic Stimulation (TMS) to Treat Depression in Autism Spectrum Disorder

This study is testing whether a brain stimulation technique called Transcranial Magnetic Stimulation (TMS) — which uses magnetic pulses directed at the brain — can help reduce depression in people with or without autism spectrum disorder (ASD). **You may be eligible if...** - You are between 18 and 40 years old - You have depression (with a significant score on a depression rating scale), with or without autism spectrum disorder - OR you have a diagnosis of autism spectrum disorder (including Asperger's or PDD-NOS) with or without depression - Your medications have been stable for at least two weeks - You are willing to participate in EEG and eye-tracking tests **You may NOT be eligible if...** - You have had a serious head injury or brain illness - You have bipolar disorder or a psychotic condition - You have a history of seizures or epilepsy - You take medications that raise seizure risk - You have used alcohol or drugs in the past 24 hours - You have a history of substance abuse in the last 6 months - You are pregnant - You have metal in your body (e.g., shrapnel, implants) - You have had prior TMS treatment - You have an IQ below 80 Talk to your doctor to see if this trial is right for you.