無法集中注意力
According to a new study published in JAMA Network Open, almost a quarter of people with COVID-19 reported symptoms of brain fog months after their diagnosis.
根據一份發表於美國醫學會雜誌Network Open期刊的研究發現，約四分之一的新冠肺炎患者在確診後的數個月出現腦霧症狀。
symptom(n.)症狀
The participants were assessed on their cognitive functions.
研究人員針對受測者的認知功能作出評估。
assess(v.)評估cognitive(adj.)認知相關的
The result shows that nearly a quarter of them had issues with memory recall and memory encoding.
結果顯示，近四分之一的受測者出現記憶喚回與記憶編碼的障礙。
have issue with sth.=有做某事的障礙
Many participants also had trouble with executive functioning and verbal fluency.
許多受測者還沒辦法管控工作記憶以及流場地表達。
These issues may be symptoms of what’s colloquially referred to as brain fog.
這些情形可能都是俗稱「腦霧」的症狀。
refer to... as=將...稱作
Apart from symptoms similar to influenza such as a runny nose, headaches, fatigue and sneezing, the condition is also characterized by dizziness, poor attention span, confusion, forgetfulness and memory loss.
除了流鼻水、頭痛、疲勞與打噴嚏等類似於流感的症狀之外，腦霧還以頭暈、無法集中注意力、思維混亂、健忘與失憶等為主要症狀。
be characterized by=以…為特色confusion(n.)困惑;糊塗;混淆
Those who suffer from brain fog might find it difficult to complete certain mental tasks.
深受腦霧所苦的人會難以完成某些需要動腦的任務。
suffer from=受~所苦;受~折磨
People recovering from COVID-19 showed cognitive dysfunction that impairs their ability to work and function properly in daily life as they often feel mentally sluggish and fuzzy.
由於染疫康復者經常感到思緒緩慢與記憶混沌，他們皆出現了認知功能障礙，日常作息深受影響。
recover(v.)康復;復原impair(v.)損及;削弱sluggish(adj.)行動緩慢的;遲緩的
A recent study out of New York found that the average amount of time for brain fog is seven months.
紐約一項最新研究發現，腦霧症狀平均持續七個月之久。
However, why COVID-19 survivors are so likely to experience the cognitive problem is yet to be clarified.
然而，為何染疫康復者出現認知問題的機率如此之高仍有待釐清。
clarify(v.)澄清;闡明
Researchers are still looking into whether it is the coronavirus itself that directly causes long-lasting cognitive issues, or if brain fog might be related to the trauma associated with surviving the illness.
研究人員仍在研究是否是新冠病毒本身直接造成長期認知障礙，抑或是腦霧可能跟康復後的心理創傷有關。
trauma(n.)精神或心理創傷be associated with=跟~有關survive(v.)生存;存活;倖存