Perhaps you should try some spelling variations:
lexical processing » chemical processing (Expand search), textual processing (Expand search), optical processing (Expand search)
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
decrease lexical » decrease physical (Expand search), decreases local (Expand search), decrease fetal (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not 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 lesions decrease lexical processing ) OR ( decrease NOT decrease of decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions decrease lexical processing ) OR ( decrease NOT decrease of decrease ))*.