Olfactory Agnosia, also known as Anosmia, refers to the loss of the ability to identify or discriminate odors. This condition can be caused by various factors such as brain damage, diseases, or medication side effects. Synonyms for Olfactory Agnosia include anosmic dysosmia, hyposmia, and parosmia. Anosmic dysosmia is the medical term for the inability to smell specific odors. Hyposmia refers to a decreased sense of smell, while parosmia is a distortion of smell perception, where familiar smells are perceived as unpleasant or different from their actual scent. These synonyms help in understanding the various symptoms and degrees of olfactory dysfunction while diagnosing and treating the condition.