Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
memory processes » memory processing (Expand search), membrane processes (Expand search), levy processes (Expand search)
decrease memory » decreased memory (Expand search), increases memory (Expand search), decrease theory (Expand search)
and decreased » and decreases (Expand search), and increased (Expand search)
decreased can » decreased mean (Expand search), decreased in (Expand search), decreased and (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease lesions decrease memory processes ) OR ( decrease AND decreased can decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease lesions decrease memory processes ) OR ( decrease and decreased can decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions decrease memory processes ) OR ( decrease and decreased can decrease ))*.