Thanks I appreciate it. That ratio seems to mean half of the effect will come from each compound.
Originally Posted by dsade
Effects of the novel compound aniracetam (Ro 13-5057) upon impaired learning and memory in rodents, R. Cumin, et al., Psychopharmacology, Volume 78, Number 2 / October, 1982
...These improvements or normalizations of impaired cognitive functions were seen at oral aniracetam doses of 10–100 mg/kg. Generally, the dose-response curves were bell-shaped. The mechanisms underlying the activity of aniracetam and its therapeutic window are unknown.
Piracetam, another pyrrolidinone derivative was used for comparison. It was active only in six of nine tests and had about one-tenth the potency of aniracetam. The results indicate that aniracetam improves cognitive functions which are impaired by different procedure and in different phases of the learning and memory process.