克‐雅脑病(Creutzfeldt‐Jakob disease,CJD)是指由朊蛋白感染而表现为精神障碍、痴呆、帕金森样表现、共济失调、肌阵挛、肌肉萎缩等的慢性、进展性疾病,又称为皮质‐纹状体‐脊髓变性(corticostriatal‐spinal degeneration)。亚急性海绵状脑病(subacute spongifor m encepha lopathy),传递性海绵状脑病(transmissible spongifor m encephalopathy)、传递性病毒性痴呆(transmiss ......