مريض عنده فصام منذ سنوات، ما يهتم بنظافته، قليل الكلام، ما يبين مشاعره، ويجلس لوحده معظم اليوم. ما نوع هذه الأعراض؟

A man with long-standing schizophrenia neglects hygiene, speaks little, shows flat affect and sits alone most of the day. What type of symptoms are these?

1. Positive symptoms
2. Acute anxiety symptoms
3. Negative symptoms
4. Manic symptoms

Answer: C) Negative symptoms. Negative symptoms are flat affect, poverty of speech, avolition and withdrawal; positive symptoms are hallucinations, delusions and disorganised speech.