Producer Alex Blumberg conducts an investigation, perhaps the first ever, into this American subspecies: People who compulsively imitate their mother's voices in everyday conversation, well into adulthood. (19 minutes)
Alex Blumberg talks to Shane Dubow about a time decades ago, when Shane went sea kayaking and camping with his friends on the beach in Baja California, Mexico.
Alex Blumberg investigates a little-studied phenomenon: Children who get a mistaken idea in their heads about how something works or what something means, and then don't figure out until well into adulthood that they were wrong.
