The present invention relates to a novel use of an α1G T-type calcium channel transgenic mouse as a nervous disease model, more particularly, a novel use of a mouse deficient in α1G T-type calcium channel showing novelty-seeking and alcohol preference as a nervous disease model for human nervous related diseases such as novelty-seeking character, alcoholism, anxiety and emotion disorder by stress, etc. The α1G T-type channel transgenic mice showing novelty-seeking and alcohol preference of the present invention can be effectively used for the development of a medicine and a therapeutic method for human nervous diseases.
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