Johansson Birgitta, Rönnbäck Lars
NeuroRehabilitation. 2015;36(2):195-202. doi: 10.3233/NRE-151207.
Mental fatigue is one of the most significant post-traumatic brain injury symptoms. It is currently not possible to objectively identify.
This study investigated whether a complex computer cognitive test with load on endurance, processing speed and attention were more demanding for participants suffering from mental fatigue after brain injury compared with a control group.
Seventy-six subjects of mild traumatic brain injury (mTBI) and 45 healthy controls were included in the study. All subjects with mTBI had been suffering from mental fatigue for six months or more. Mental fatigue was screened using the Mental Fatigue Scale (MFS). Cognitive function was measured for information processing speed and working memory, and with a novel computer test.
The mTBI group rated MFS significantly higher than the control group. The results revealed a significantly slower information processing speed for the mTBI subjects and a poorer performance on the working memory test. The computer test revealed a less efficient performance over time for the TBI subjects compared to the control group.
The results indicate a less efficient performance over time in complex and demanding cognitive tasks for individuals experiencing from mental fatigue after brain injury.
精神疲劳是创伤性脑损伤后最显著的症状之一。目前尚无法客观识别。
本研究调查了一项对耐力、处理速度和注意力有要求的复杂计算机认知测试，与对照组相比，对脑损伤后患有精神疲劳的参与者来说是否要求更高。
76名轻度创伤性脑损伤（mTBI）受试者和45名健康对照者纳入研究。所有mTBI受试者均患有精神疲劳六个月或更长时间。使用精神疲劳量表（MFS）筛查精神疲劳。通过新型计算机测试测量信息处理速度和工作记忆的认知功能。
mTBI组的MFS评分显著高于对照组。结果显示，mTBI受试者的信息处理速度显著较慢，工作记忆测试表现较差。计算机测试显示，与对照组相比，TBI受试者随着时间推移表现效率较低。
结果表明，脑损伤后患有精神疲劳的个体在复杂且要求较高的认知任务中，随着时间推移表现效率较低。
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