Perhaps you should try some spelling variations:
fear processing » pear processing (Expand search), fur processing (Expand search), after processing (Expand search)
that decreased » that decrease (Expand search), the decreased (Expand search), has decreased (Expand search)
decreased fear » decreased heart (Expand search), decreased mean (Expand search), decreased after (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
decrease limb » decrease lipid (Expand search), decrease liver (Expand search), decrease in (Expand search)
limb decrease » will decrease (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (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 decreased fear processing ) OR ( decrease limb decrease can decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease that decreased fear processing ) OR ( decrease limb decrease can decrease ))*.