5

Question 1

Two non-topographic tasks were also included to?

Answer 1

To engage subjects in semantic memory retrieval in a manner similar to the topographical tasks, but without involving the recall of environmental spatial information.

Question 2

The non-topographic task includes?

Answer 2

a. These tasks concerned memory for films
b. recalling and describing the plots of familiar famous films between given points in the story line, which like the recall of routes involves a set sequence of information retrieval
c. Recalling and describing individual frames from famous films, not the plot of the film, which does not involve any necessary sequence of information

Question 3

A baseline task to control for speech output was to?

Answer 3

Included in which subjects repeated two four-digit numbers during scanning.

Question 4

Comparison with this baseline facilitated examination of the network of brain regions?

Answer 4

Comparison with this baseline facilitated examination of the network of brain regions involved in each task by indicating whether changes of activity were relative or absolute in relation to it.

Question 5

How did subjects look during the speech task?

Answer 5

Subjects were blindfolded throughout, and speech output was digitally recorded.