Subjects were given a memory test after either 20 minutes or 2 weeks.

No subjects reported having expected a memory test even though many of them had already taken part in Study 1.

However, the most important difference may be the type of memory test used.

None of the subjects reported having expected a memory test.

Right after the study, the people who had taken the course showed improvement on the memory test.

They were performing like people ten years younger than themselves on memory tests.

In addition, they said, the memory test was not sensitive enough to pick up subtle changes.

Then the patient is engaged in a series of language and memory related tests.

Now that a link has been established, the next phase is a memory test.

A week later, the volunteers were given a surprise memory test for details of the story.