Drug-induced movement disorders have gradually emerged as ... tongue protruding ("fly-catcher's tongue"), and coordinated tongue and mouth movements ("bon-bon sign"). Other stereotypies included hand ...

Further research revealed that one of these drugs, DDL-920 – developed at UCLA, led to the complete recovery of movement control – something many stroke patients never regain. It's a milestone ...

This approach provided long-term imaging of the drug due to the longer half-life (2.7 days) of 198 Au, overcoming the limitations of the short half-life of 211 AtAt.