Answer: engram

AnswerCrossword Clue
ENGRAM

Hypothetical memory unit

ENGRAM

Memory trace, in theory

ENGRAM

Memory trace

ENGRAM
Memory pathway
ENGRAM
Neural "recording," basis of memory.
ENGRAMPersistence of memory
ENGRAMPersistence of memory concept
ENGRAMMemory imprint
ENGRAMPersistence of memory effect