What is "engrammatic"

Usage examples of "engrammatic".

But there's a chance that Fury's birth made an exceptionally powerful engrammatic impression on you.

That individual memory was the smallest particle of the noosphere, called by scholars an engrammatic cell.

It doesn't mean anything if you can't transfer the intelligence, and that sort of engrammatic work is…" He hesitated, then, in hushed tones, said, "You've figured it out.

Now, a functioning nervous system with an engrammatic pattern of experience, in this case a nonhuman nervous system—isn’t that a pretty good definition of a personality?