Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
fear processing » pear processing (Expand search), fur processing (Expand search), after processing (Expand search)
decreased fear » decreased heart (Expand search), decreased mean (Expand search), decreased after (Expand search)
or decreased » or decrease (Expand search), of decreased (Expand search), or decreases (Expand search)
decrease pro » decrease food (Expand search), decrease treg (Expand search), decrease in (Expand search)
pro decrease » to decrease (Expand search), or decrease (Expand search), price decrease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease toc (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease OR decreased fear processing ) OR ( decrease pro decrease lesions decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decreased fear processing ) OR ( decrease pro decrease lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decreased fear processing ) OR ( decrease pro decrease lesions decrease ))*.