Puppy socialization involves learning about their fellow littermates, the mother and humans. 幼犬的社会化学习来自于与同胞兄弟姐妹、母亲和人类的接触。
Compared with the WT littermates, the positive percentage of choline acetyltransferase ( ChAT) was decreased significantly in basal forebrain in TG mice demonstrated by immunostaining for ChAT. 胆碱乙酰转移酶(ChAT)免疫组化染色发现,TG小鼠基底前脑ChAT阳性细胞数目较WT小鼠明显降低。