Loss of memory (7)
I believe the answer is:
amnesia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loss of memory</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for amnesia that I've seen before include "Asia men with memory loss (7)" , "Pathological forgetfulness" , "Seaman I found in state of memory loss" , "As a mine (anag)" , "memory problem" .)