For these four psych tales, "The Yellow Wallpaper," "The Boarded Window," "The Grave," and "Knocking," we know that the monster is within their minds. What was the driving force within their minds that drove the main characters mad?

Identify ONE evocative description from each story (YW, BW, TG, and K). Try to think outside of the box and find one that draws upon one of the 4 senses not as obvious as sight. Write the sentence(s) and name which sense the description targets.