Dramatic irony occurs when
the audience knows something other characters do not
some characters know something other characters do not
the characters know something the audience does not
the audience and the characters are aware of the situation

The audience knows something other characters do not.

some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.