Two basic characteristics not related to memory are apathy and indifference or callousness.
Some readers were upset by the callousness of hedge fund traders.
Cry out against the callousness toward the first responders to the Twin Towers on 9/11.
c.1400, "hardened," in the physical sense, from Latin callosus "thick-skinned," from callus, callum "hard skin" (see callus). The figurative sense of "unfeeling" appeared in English by 1670s. Related: Callously; callousness.
callous cal·lous (kāl'əs)
Of, relating to, or characteristic of a callus or callosity.