Perhaps you should try some spelling variations:
fear processing » pear processing (Expand search), fur processing (Expand search), after processing (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate decrease (Expand search)
that increases » that increase (Expand search), what increases (Expand search), diet increases (Expand search)
increases fear » increases heart (Expand search), increases fak (Expand search), increases fed (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease that increases fear processing ) OR ( decrease will decrease faster decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease that increases fear processing ) OR ( decrease will decrease faster decrease ))*.