由概念锚定的行为：语义性痴呆中存在缺陷的行为理解能力
Actions anchored by concepts: defective action comprehension in semantic dementia.
作者信息
Nishio Y, Kazui H, Hashimoto M, Shimizu K, Onouchi K, Mochio S, Suzuki K, Mori E
机构信息
Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, 2-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan.
出版信息
J Neurol Neurosurg Psychiatry. 2006 Dec;77(12):1313-7. doi: 10.1136/jnnp.2006.096297. Epub 2006 Aug 4.
OBJECTIVE
To study the ability of patients with semantic dementia to understand actions, in order to examine the contribution of semantic memory to action comprehension.
METHODS
The ability to comprehend symbolic and instrumental actions was assessed in 6 patients with semantic dementia and 10 healthy controls. The patients were also given the imitation test of meaningful and meaningless actions.
RESULTS
In all patients with semantic dementia, comprehension of both symbolic and instrumental actions was defective. The comprehension of symbolic actions was more impaired than that of instrumental actions. Their ability to imitate other's actions was well preserved.
CONCLUSION
This study showed that comprehension of action was impaired in semantic dementia, suggesting that semantic memory has an important role in comprehension of human action.
目的
研究语义性痴呆患者理解动作的能力，以检验语义记忆对动作理解的作用。
方法
对6例语义性痴呆患者和10名健康对照者进行符号动作和工具性动作理解能力评估。还对患者进行有意义和无意义动作的模仿测试。
结果
所有语义性痴呆患者对符号动作和工具性动作的理解均存在缺陷。符号动作的理解比工具性动作的理解受损更严重。他们模仿他人动作的能力保存完好。
结论
本研究表明语义性痴呆患者的动作理解受损，提示语义记忆在人类动作理解中起重要作用。
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