Fragile X-associated tremor refers to a neurological disorder that causes tremors and other related symptoms. This condition is also known by several other names, including Fragile X-associated tremor/ataxia syndrome (FXTAS), Fragile X tremor/ataxia syndrome (FXTAS), and Martin-Bell syndrome. Despite the different names, this condition has similar symptoms, which include tremors, ataxia, cognitive decline, and Parkinsonism symptoms. It is caused by the expansion of the fragile X mental retardation 1 (FMR1) gene. Scientists are still exploring effective treatments for this condition to slow down the progression of the symptoms. If you or someone you know is experiencing these symptoms, seeking medical attention is essential.