https://www.proz.com/personal-glossaries/entry/34669007-reinforcement-neurochemical-%D0%BD%D0%B5%D0%B9%D1%80%D0%BE%D0%BC%D0%B5%D0%B4%D0%B8%D0%B0%D1%82%D0%BE%D1%80-%D1%81-%D0%BF%D0%BE%D0%B4%D0%BA%D1%80%D0%B5%D0%BF%D0%BB%D1%8F%D1%8E%D1%89%D0%B8%D0%BC-%D1%8D%D1%84%D1%84%D0%B5%D0%BA%D1%82%D0%BE%D0%BC