Perhaps you should try some spelling variations:
synaptic processing » syntactic processing (Expand search), semantic processing (Expand search), static processing (Expand search)
decreases synaptic » decreases hepatic (Expand search)
faster decreases » faster decrease (Expand search), water decreases (Expand search), system decreases (Expand search)
decrease walking » increase walking (Expand search), decrease during (Expand search), decrease lodging (Expand search)
walking decrease » walking decreases (Expand search), warming decreases (Expand search), taping decrease (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not 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 faster decreases synaptic processing ) OR ( decrease walking decrease of decrease ))~.