Original sentence: , archaeologist Dr Ewan Campbell says that there is no archaeological or placename evidence of a migration or takeover.Archaeological evidence shows that Argyll was different from Ireland, before and after the supposed migration, but that it also formed part of the Irish Sea province with Ireland, being easily distinguished from the rest of Scotland.However, this theory is no longer universally accepted.In his academic paper Were the Scots Irish.This lack of archaeological evidence was previously noted by Professor Leslie Alcock
Edited sentence: By a certain point, probably during the 11th century, all the inhabitants of Alba had become fully Gaelicised Scots, and Pictish identity was forgotten.During the reign of  (900–943), outsiders began to refer to the region as the kingdom of Alba rather than as the kingdom of the Picts, but we do not know whether this was because a new kingdom was established or because "Alba" was simply a closer approximation of the Pictish name for the Picts.However, though the Pictish language did not disappear suddenly, a process of Gaelicisation (which may have begun generations earlier) was clearly under way during the reigns of  and his successors