Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
voice processing » juice processing (Expand search), time processing (Expand search), face processing (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
decrease voice » decrease toc (Expand search), disease voice (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » and decrease (Expand search), can increase (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 AND decrease voice processing ) OR ( decrease lesions decrease can decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease AND decrease voice processing ) OR ( decrease lesions decrease can decrease ))*.