Today’s robots perform safety checks at industrial plants, conduct quality control in manufacturing, and are even starting to keep hospital patients company.

But soon — perhaps very soon — these increasingly humanlike machines will handle more sophisticated tasks, freeing up people while raising complex questions about the roles of artificial intelligence that are gaining attention.

At a panel hosted by the American Association of Retired Persons at this week’s Consumer Electronics Show (CES), experts described the next five years as a period where robots transition primarily from industrial sites to service settings, helping to address a worsening health care labor crunch.