So basically they couldn't have just disorganized behavior and negative symptoms.

所以患者基本上不会只有行为错乱和阴性症状。

Although the symptoms can be broadly categorized into three major areas: positive symptoms, negative symptoms, and cognitive symptoms.

尽管如此，这些症状大致可以分为三个主要类别：阳性症状、阴性症状与认知障碍。

First, it doesn't explain the negative symptoms.

首先, 它不能解释阴性症状。

Well, it does seem the negative symptoms of urban life can benefit from a dose of nature-a dose is an amount of something.

嗯，似乎城市生活的负面症状能够通过一剂自然得到缓解——一剂指的是一定量的东西。

Schizophrenia also has negative symptoms, these are qualities that are reduced in people with schizophrenia, such as motivation, expression of emotion, or speech.

精神分裂症也有阴性症状，这些是精神分裂症患者会缺少的一些特质，例如行动力、情绪表达能力或言语能力。

One is a negative symptom, something that you don't have, something that a schizophrenic lacks.

一种是阴性症状，是你没有的东西，是精神分裂症患者所缺乏的东西。

A major negative symptom in schizophrenia is absence of normal thought or affect, affect meaning emotion.

精神分裂症的一个主要负面症状是缺乏正常的思想或情感, 即情感。

But the same drugs can make negative symptoms worse, and we've found that negative symptoms of schizophrenia may be tied to too little dopamine in other brain areas.

但是，同样的药物也可能恶化阴性症状，研究发现，精神分裂症的阴性症状与大脑其他区域的多巴胺含量太低有关。

Well, it does seem the negative symptoms of urban life can benefit from a dose of nature – a dose is an amount of something.

嗯，似乎城市生活的负面症状确实可以受益于自然这一剂药——一剂就是一些数量的某物。

And we're not exactly sure why this helps to relieve negative symptoms, but there are several theories that are being pursued.

我们不确定为什么这有助于缓解阴性症状，但有几种理论正在研究中。

So professionals realized that many of the negative symptoms may have been simply correlated with nostalgia rather than caused by it.

因此专业人士意识到，许多负面症状可能只是与怀旧有关，而不是由怀旧引起的。

Negative symptoms, are like when there's this reduction or removal of normal processes, and this is like a decrease in emotions they can express, or a loss of interest in things they once found interesting.

阴性症状是正常生理过程的减少或缺失，可以表现为情绪表达的减少，或者对曾经感兴趣的事物失去兴趣。

Other waste products also build up in the brain, and if they're not cleared away, they collectively overload the brain and are thought to lead to the many negative symptoms of sleep deprivation.

其他的代谢物也会积聚于大脑，如果不清理出去，它们会导致大脑和思想超负荷运转，并导致各种失眠症状。

Negative symptoms refer to those that subtract from normal behavior, like a reduced ability to function, neglect of personal hygiene, lack of emotion, toneless voice, expressionless face, or withdrawal from family and friends.

负面症状是指那些从正常行为中减去的症状，如功能下降、忽视个人卫生、缺乏情绪、声音无调、面无表情或远离家人和朋友。

A third type of negative symptom is avolition, which is this decrease in motivation to complete certain goals, so someone might stay at home for long periods of time, without trying to reach out to friends or find work.

第三种阴性症状叫动机缺乏，表现为完成特定目标的动力下降；患者可能会长时间呆在家里，不去找朋友，也不会去找工作。

We don’t completely understand what’s happening in the brain, but one theory is that the stress hormone cortisol may be continuously activating the “fight-flight-freeze” response while reducing overall brain functioning, leading to a number of negative symptoms.

我们并不完全了解大脑中发生了什么，但一种理论认为，压力荷尔蒙皮质醇可能会持续激活“战斗-飞行-冻结”反应，同时降低整体大脑功能， 从而导致许多负面症状。

When stress levels get too intense, it results in negative symptoms. Keep on watching to find out the best ways to deal with exam stress and how you can transform it from your worst enemy into your friend.

当压力过大时，人体就会产生负面症状。继续往下看，找出应对考试压力的最佳方法，以及如何将其从最大的敌人转变为朋友。