The meaning of ENGRAM is a hypothetical change in neural tissue postulated in order to account for persistence of memory : memory trace.
The engrammes of psychiatrydoi:10.1037/h0050153FischerRobert P.Psychological Bulletin
Il sera... Tome 2 Les EngrammesBoris Tzaprenko
The engrammes of psychiatrydoi:10.1016/0002-9343(48)90137-5S.D.Elsevier Inc.The American Journal of Medicine