Typically invoked by governmental officials during sworn testimony to the U.S. Congress to deny potentially damaging -- politically and/or criminally -- behavior.
From the 1994 film "Clear and Present Danger" starring Harrison Ford:
Jack Ryan: Who authorized this?
Robert Ritter: I'm sure they'll ask you that.
Jack Ryan: Who authorized it?
Robert Ritter: I have no recollection, Senator
Only being able to rememberparticular fragments of memories or ideas from an earlier time where the context of such memories are no longer recoverable.
I had a really good idea last night, but can't seem to remember what it is. It must be a bad case of memory recollection fragmentation.
The guy has a really bad case of memory recollection fragmentation. It took all month to engineer the tissue to CPU membrane but forgot a critical step.
Old age produces memory recollection fragmentation. Most of our patients have trouble integrating life's memories into a coherent timeline.
Guy 1: "Why do you keep getting hard over the Shantae soundtrack?!"
Guy 2: "You don't wanna know..."
Inside the head of Guy 2: *GODDAMN THESE ERECTION RECOLLECTIONS!*
& discover in the future,
that what you distinctly recollect,
is now,
somehow,
a very different set of occurrences.
AKA inaccurate recall
Although Gloria swore on her mother's soul, that she remembered every detail of the day in question, her flawed recollection became crystal clear once other reliable witnesses unanimously presented statements to the contrary of Gloria's account.