Pediatric neurologists blinded to the clinical history then scored the pictures as migraine or nonmigraine, based on artistic features thought to be consistent with migraine or associated symptoms.

• 儿科神经学医师对这些患儿的临床病史毫无所知，他们以与偏头痛或相关症状一致的艺术特徵为基础，对图画进行评分，来区分偏头痛和非偏头痛。