Perhaps you should try some spelling variations:
decrease firing » decrease during (Expand search), decreases during (Expand search), decreased during (Expand search)
decreased brain » increased brain (Expand search), decreased in (Expand search), decreased base (Expand search)
firing patterns » turing patterns (Expand search), foraging patterns (Expand search), feeding patterns (Expand search)
brain decrease » brain decreases (Expand search), brazil decrease (Expand search), strain decrease (Expand search)
decrease help » decrease cell (Expand search), decrease their (Expand search), decrease the (Expand search)
help decrease » help increase (Expand search), cells decrease (Expand search), the decrease (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( decreased brain decrease toc decrease ) OR ( decrease help decrease firing patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreased brain decrease toc decrease ) OR ( decrease help decrease firing patterns ))*".