嗅觉缺失症

例句：

1. 1.He has a condition called anosognosia, where he cannot recognize his own face.
   他患有一种叫做失认症的疾病，无法认出自己的脸。
2. 2.The patient was diagnosed with anosognosia after undergoing brain surgery.
   这名患者在接受脑部手术后被诊断出患有失认症。
3. 3.The anosognosia is caused by damage to the cerebral cortex, which affects memory and recognition.
   失认症是由大脑皮层受损引起的，这会影响记忆和识别能力。