Perhaps you should try some spelling variations:
lesions decrease » response decrease (Expand search), lesions case (Expand search)
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
decreased fear » decreased heart (Expand search), decreased mean (Expand search), decreased after (Expand search)
fear processor » fear processing (Expand search), field processor (Expand search), arm processor (Expand search)
the decreased » the decrease (Expand search), the deceased (Expand search), the increased (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease pro (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 the decreased fear processor ) OR ( decrease to decrease lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decreased fear processor ) OR ( decrease to decrease lesions decrease ))*.