You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Lallu 40 years has recently started writing books. But the matter in this book could not be understood by anybody; since it contained words which were never there in any dictionary and the theme was very disjoint. Nowadays he has become very shy and self-absorbed. When he addresses people, he speaks about metaphilosophical ideas. What is likely diagnosis - and explain in detail?
This patient has:-


Disorganized speech:- Speaks about metaphilosophical ideas, a neologism (words never present in any dictionary).
Negative symptoms (shy and self-absorbed)


Diagnosis is schizophrenia.