Full Idea
In modern times the Lockean intrinsic relations view of personal identity has been superseded by an extrinsic relations view (also called the 'closest-continuer' or 'externalist' view).
Gist of Idea
Locke's intrinsic view of personal identity has been replaced by an externalist view
Source
R Martin / J Barresi (Introduction to 'Personal Identity' [2003], p.1)
Book Reference
'Personal Identity', ed/tr. Martin,R /Barresi,J [Blackwells 2003], p.1
A Reaction
Sounds sweeping. My suspicion is that there is a raging fashion for externalist views of everything (justification, content etc.), but this will pass. I take Parfit to be the source of the modern views.