Perhaps you should try some spelling variations:
decreased functional » increased functional (Expand search), increase functional (Expand search), based functional (Expand search)
functional decrease » functional decline (Expand search), functional cereal (Expand search), functional areas (Expand search)
decrease ictal » decrease fetal (Expand search), decrease total (Expand search), decreases rectal (Expand search)
and decreased » and decreases (Expand search), and increased (Expand search)
ictal pattern » ictal patterns (Expand search), fractal pattern (Expand search), digital pattern (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease the (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 and decreased functional decrease ) OR ( decrease of decrease ictal pattern ))~.