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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Animal model of schizophrenia ： ウィキペディア英語版 Animal model of schizophrenia Research into the psychotic disorder of schizophrenia, involves multiple animal models as a tool, including in the pre-clinical development of drugs. Several models simulate schizophrenia defects. These fit into four basic categories: pharmacological models, developmental models, lesion models, and genetic models. Historically, pharmacological, or drug-induced models were the most widely used. These involve the manipulation of various neurotransmitter systems, including dopamine, glutamate, serotonin, and GABA. Lesion models, in which an area of an animal's brain is damaged, arose from theories that schizophrenia involves neurodegeneration, and that problems during neurodevelopment cause the disease. Rodent models of schizophrenia mostly display symptoms analogous to the positive symptoms of schizophrenia, with some models also having symptoms similar to the negative symptoms. Animals used as models for schizophrenia include rats, mice, and primates. ==Uses and limitations== The modelling of schizophrenia in animals can range from attempts to imitate the full extent of symptoms found in schizophrenia, to more specific modelling which investigate the efficacy of antipsychotic drugs. Each extreme has its limitations, with whole-syndrome modelling often failing due to the complexity and heterogeneous nature of schizophrenia, and antipsychotic-specific modelling being often not useful for discovering drugs with unique mechanisms of action. Developing models based on a particular sign or symptom of schizophrenia has been one approach. This approach has the advantage that the results are more likely to be valid across the species boundary. In order for an animal model to be useful in developing treatments, results from the animal model must translate into results in the patient with schizophrenia, this is called the validity of the model.〔 Criteria for assessing the validity of animal models of schizophrenia include face validity, construct validity, and predictive validity.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Animal model of schizophrenia」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.