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多数学者认为树 为低等灵长类动物。用电凝阻断树 一侧大脑中动脉（ＭＣＡＯ）的方法成功地复制了树 局部脑缺血模型。发现血管闭塞１５ｍｉｎ及６ｈ后，缺血区ｒＣＢＦ分别为凝闭前的３６．７４％和３９．８４％；ＳＥＰ分别为凝闭前的２１．８％和３６．７８％，血管闭塞６ｈ时后水钙含量显著增加，形态学检查表明发生了局部缺血性梗塞。作者认为，由于树 的生物学特性较其他哺乳动物更适合局部脑缺血的实验研究。
Most scholars think of trees as lower primates. Cerebral ischemia models were successfully replicated by electrocoagulation blocking the middle cerebral artery (MCAO) on the side of the tree. The results showed that rCBF in ischemic area was 36.74% and 39.84% before occlusion after 15min and 6h of occlusion; SEP was 21.8% and 36.78% before occlusion and 6h after occlusion, respectively Calcium levels were significantly increased, and morphological examination revealed ischemic infarction. The authors argue that due to the biological characteristics of the tree more than other mammals is more suitable for experimental studies of focal cerebral ischemia.