https://www.pnas.org/content/97/8/4398 https://www.pnas.org/content/97/8/4398 I think they also studied former cab drivers and found the structures to have shr

https://www.pnas.org/content/97/8/4398 https://www.pnas.org/content/97/8/4398 I think they also studied former cab drivers and found the structures to have shrunken compared to current cab drivers but still more pronounced vs non can drivers. I can't seem to find the source but I seem to recall this from a Stan Dehaene book