According to the passage, memory trace ______.

B

- Hướng dẫn giải

Phương pháp giải:

Giải chi tiết:

Đáp án là B. Ý trong bài: Assumed to have been made by structural changes in the brain, the memory trace is not subject to direct observation but is rather a theoretical construct that we use to speculate about how information presented at a particular time can cause performance at a later time.