Other scientists have attributed the same behavior to conditioning, to learned responses . certainly reflexes and fixed action patterns can occur without feeling or conscious thought 其他科學(xué)家把同樣的行為因于條件反射和后天學(xué)習(xí)的反應(yīng)。當(dāng)然沒有感情或有意識的想法,反應(yīng)和固定的動作模式也可以發(fā)生。