The quest for a physical basis of memory involves a search for a

A) flashbulb memory.
B) spacing effect.
C) mnemonic device.
D) memory trace.

The quest for a physical basis of memory involves a search for a memory trace, which refers to the physical changes that happen in our brain as we create and store memories. Various studies have explored the neural structures and pathways involved in memory formation and consolidation, in an attempt to identify the specific physical basis of memory.