I don't get the word neuroscientists so can anyone please explain it in SIMPLE english

How can rereading a passage to clarify the meaning of a later one?

The following headline is simple: poll: transit tax supported 3 to 1 . its meaning can be changed in context by adding a subheading: poll: transit tax supported 3 to 1-- large leads have disappeared before now you try it. use the simple statement below or make up your own statement. add another statement so that the context changes the meaning of the first statement. what a great day!

How did the older men calm the younger ones down when they learned from some of the prisoners where they were? (chapter 3 of the book night)