Perhaps you should try some spelling variations:
visual processing » signal processing (Expand search), minimal processing (Expand search), digital processing (Expand search)
increase visual » decreased visual (Expand search), increased visceral (Expand search), increase disease (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not increase » and increase (Expand search), an increase (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.

• Removing quotes may allow a broader search: (( decrease not increase visual processing ) OR ( decrease can decrease during decrease ))~.