A Nobel Prize in medicine has been awarded to an American and Germans for their work on brain study. The recipients of the award are not specified, but it is known that their research focused on the brain. Further details about the winners and their research are available from the source.

The award recognizes significant contributions to the field of medicine, and this year's winners have made notable advancements in understanding the brain. The source publication provides more information about the Nobel Prize winners and their achievements in the field of brain study.