Perhaps you should try some spelling variations:
lexical processing » chemical processing (Expand search), textual processing (Expand search), optical processing (Expand search)
decrease lexical » decrease physical (Expand search), decreases local (Expand search), decrease fetal (Expand search)
brain decreases » bail decreases (Expand search), niacin decreases (Expand search), brain diseases (Expand search)
decrease brain » decreased brain (Expand search), decreases brain (Expand search), decreases brown (Expand search)
decreases rate » decreased rate (Expand search), decreases water (Expand search), decreases brain (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to 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 can decrease lexical processing ) OR ( decrease brain decreases rate decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease can decrease lexical processing ) OR ( decrease brain decreases rate decrease ))*.