搔痒行为在动物世界里普遍存在。尽管没有人能确切地知道动物为什么要去抓、咬或啄自己,或将身体在树木或栅栏上摩擦,但人们推测,这很可能是因为它们也会感到瘙痒。
Even fruit flies engage in "robust grooming behaviors" that look a lot like scratching when they are infected with mites, said Diana Bautista, an assistant professor of cell and developmental biology at the University of California, Berkeley. Her research includes studying various strains of itchy mice that are models for human ailments.
即使是果蝇这种低等生物,在它们感染螨虫时,也会出现一种跟搔痒看起来颇为相似的“强力梳理行为(robust grooming behaviors)”,加州大学伯克利分校(University of California, Berkeley)的细胞和发育生物学助理教授戴安娜·鲍蒂斯塔(Diana Bautista)说。此外,她的研究还包括多种品系的瘙痒小鼠,它们都是业已建立的不同人类疾病的模型小鼠。
"I have a collection of movies showing different animals scratching," Dr. Bautista said. "I'm hoping they will help me determine if there is a difference between itch-evoked scratching versus wiping and other behaviors in diverse species."
“我还收集了许多介绍不同动物搔痒行为的视频资料,”鲍蒂斯塔博士说,“我希望它们可以帮助我确定在不同的物种中,瘙痒引起的挠痒行为与擦拭及其他行为之间是否存在差异。”
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