WordNet
memory trace
n. a postulated biochemical change (presumably in neural tissue) that represents a memory [syn: engram]
Usage examples of "memory trace".
Little Denis had had no trouble penetrating Don's psychic barricade when it was still firm, and he had perceived the name of the drug emblazoned on his father's short-term memory trace as on a lighted theatre marquee.
So far, he had been aware that he was studying a kind of recording, a memory trace that had been fixed in time.
A memory trace is the synapse--the nerve connection in the brain--that leads to the memory, which is stored in chemical form.