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ampakine

n. Any of a class of chemical compounds that enhance attention span and alertness and facilitate learning and memory.

Wikipedia
Ampakine

Ampakines are a class of compounds that take their name from the glutamatergic AMPA receptor with which they strongly interact. The AMPA receptor, in turn, gets its name from AMPA, which selectively binds to it.

They are currently being investigated as potential treatment for a range of conditions involving mental disability and disturbances such as Alzheimer's disease, Parkinson's disease, schizophrenia, treatment-resistant depression (TRD) or neurological disorders such as Attention Deficit Hyperactivity Disorder (ADHD), among others.

More recently developed ampakine compounds are much more potent and selective for the AMPA receptor target, and while none of the newer selective ampakine compounds have yet come onto the market, one compound CX717 is currently in Phase II clinical trials as of 2008.