Perhaps you should try some spelling variations:
vision processing » visual processing (Expand search), ration processing (Expand search), design processing (Expand search)
increased during » increase during (Expand search), increases during (Expand search), increased urinary (Expand search)
decrease vision » decreasing vision (Expand search), decrease asian (Expand search), decrease soon (Expand search)
human increased » human increase (Expand search), an increased (Expand search), has increased (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease human » increase human (Expand search), disease human (Expand search), decrease asian (Expand search)
decrease at » decrease and (Expand search), decrease in (Expand search), decrease of (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease at decrease vision processing ) OR ( decrease human increased during decrease ))~.