Ampakine
Concise Oxford English Dictionary © 2008 Oxford University Press:
Ampakine /ˈampəkʌɪn/
▶noun (trademark in the US) any of a class of synthetic compounds which facilitate transmission of nerve impulses in the brain and appear to improve memory and learning capacity.
– origin 1990s: from AMPA (an acronym denoting certain receptors in the brain) + Gk kinein ‘to move’.
'Ampakine' also found in these Oxford entries:

