The context of a targeted word includes all parts of a sentence or paragraph in which the targeted word is contained only the sentence in which the targeted word is contained only words or phrases that directly surround the targeted word only the word placed directly before the targeted word

The context of a targeted word includes  all parts of a sentence or paragraph in which the targeted word is contained.

Explanation:

a target word is one that is presented as an answer to a question, so the context of that word includes all parts of a sentence or paragraph in which the target word is contained

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.