2.2 Symptoms of schizophrenia

　Paranoia is a symptom of schizophrenia wherein the subject cannot control feeling and thought. Schizophrenia is most often caused by deficiency of the neurotransmitter chemokine. Table 2 shows the dominant symptoms of schizophrenia.

Symptoms of schizophrenia

Symptom Delusional mood
Description Delusion is one of the most prominent symptoms of schizophrenia and can be explained as a staunch belief in something that is clearly false. Delusions can also be mood-congruent or mood-incongruent.
Symptom Attention deficiency
Description This symptom is seen in the preclinical stage of schizophrenia. The patient responds to a certain stimulus without a look at noise or involves the risk of attention deficiency.
Symptom Auditory hallucination
Description A patient suffering from auditory hallucination is often seen talking to himself and breaking into feigned laughter or is even seen crying. Auditory hallucinations also include criticism and calumny.
Symptom Disturbance of ego
Description In this symptom, self-other consciousness breaks up and the ego boundary becomes fuzzy. The patient believes that everyone knows his secret and he feels his own thoughts spread around.
Symptom Disturbance of thinking
Description The patient’s behavior is disorganized and thoughts are integrated loosely. His conversations become confused and the patient cannot speak logically.

花村嘉英著（2015）「从认知语言学的角度浅析鲁迅作品－魯迅をシナジーで読む」より translated by Yoshihisa Hanamura

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