Perhaps you should try some spelling variations:
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), disease during (Expand search)
decrease blood » decreases blood (Expand search), decreased blood (Expand search), increase blood (Expand search)
blood decrease » blood degree (Expand search), blood disease (Expand search), loss decrease (Expand search)
fear processor » fear processing (Expand search), field processor (Expand search), arm processor (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
depressed in » repressed in (Expand search), depressed and (Expand search), expressed in (Expand search)
in decrease » in decreased (Expand search), and decrease (Expand search), can 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 blood decrease fear processor ) OR ( decrease during depressed in decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease blood decrease fear processor ) OR ( decrease during depressed in decrease ))*.