aftermind

plural afterminds

1. A new or changed way of thinking, often as a result of repentance; a renewed mind.

   [...] one respected journal for advocating cocaine as a medicine without realizing that it could become an addictive drug; and somewhere, deep in the recesses of his aftermind, he knew this charge to be partly true.

   1971, Irving Stone, The passions of the mind: a novel of Sigmund Freud

   1 more example

   Now, brethren, what we want you to mark is this, repentance is not the gushing forth of tears from the fountain of a man's head, under the pressure of calamity; but true repentance is an aftermind, as the word in the Greek literally signifies — a new mind, a turning of the heart to God.

   1862, William Henry Krause, Lectures delivered in Bethesda chapel, Dublin: Volume 2