memory trace(n = noun.cognition) engram - a postulated biochemical change (presumably in neural tissue) that represents a memory;
is a kind of memory

by memory, committal to memory, compact disc read-only memory, computer memory, computer memory unit, episodic memory, erasable programmable read-only memory, explosive trace detection, flash memory, immediate memory, long-term memory, magnetic bubble memory, main memory, memory, memory access, memory board, memory cache, memory chip, memory device, memory image, memory loss, memory picture, motor memory, muscle memory, personal memory, random access memory, random memory, random-access memory, read-only memory, read-only memory chip, read/write memory, reconstructive memory, refresh the memory, reproductive memory, screen memory, semantic memory, short-term memory, tape memory, trace, trace detector, trace element, trace program, virtual memory, working memory