Levin H S, High W M, Eisenberg H M
Brain. 1985 Sep;108 ( Pt 3):579-91. doi: 10.1093/brain/108.3.579.
To investigate the effects of closed head injury (CHI) on olfactory identification, we administered a test of olfactory naming and forced choice recognition to 52 CHI patients who had no evidence of anosmia. The Olfactory Identification Test consisted of 'scratch and sniff' labels of familiar nonirritant odorants. In comparison with a normal control group (n = 19) of similar age, olfactory naming and recognition were impaired in the CHI series, particularly in patients with moderate or severe head injury. The presence of a haematoma or contusion in the frontal/temporal region was also related to impaired olfactory recognition. We suggest that nonmissile head injury can produce at least a partial impairment of olfactory recognition despite relatively preserved olfactory detection.
为研究闭合性颅脑损伤（CHI）对嗅觉识别的影响，我们对52例无嗅觉丧失证据的CHI患者进行了嗅觉命名和强制选择识别测试。嗅觉识别测试包括熟悉的非刺激性气味剂的“刮擦嗅闻”标签。与年龄相仿的正常对照组（n = 19）相比，CHI组患者的嗅觉命名和识别能力受损，尤其是中度或重度颅脑损伤患者。额颞部血肿或挫伤的存在也与嗅觉识别受损有关。我们认为，非穿透性颅脑损伤即使嗅觉检测相对保留，也可能至少导致嗅觉识别部分受损。
