The present invention relates to the efficient treatment of an individual afflicted with fatigue, particularly mental fatigue, associated with certain diseases, particularly diseases of the central nervous system, including Parkinsons disease (PD), the instant treatment comprising administering to the individual an effective amount of (R)-phenylpiracetam or a pharmaceutically acceptable salt thereof.本發明係關於對患有疲勞之個體的有效治療,特別是指精神性疲勞,該精神性疲勞有關於某些疾病,特別是指中樞神經系統(central nervous system,CNS)疾病,包括帕金森氏症(Parkinsons disease,PD),此及時治療包含對於該個體以有效劑量之(R)-苯基披喇瑟盪((R)-phenylpiracetam)及其醫藥上可接受之鹽投藥。
