PROBLEM TO BE SOLVED: To provide an environment control apparatus that alleviates a subjects nervousness during treatment and diagnosis.SOLUTION: An environment control apparatus includes an input unit 220 into which information from a medical device 10 is inputted, and an environment control unit 250 configured to control an environment perceived by a subject based on the information inputted into the input unit 220.COPYRIGHT: (C)2013,JPO&INPIT【課題】治療や診断の対象者の緊張を緩和する環境制御装置を提供する。【解決手段】医療機器10から情報が入力される入力部220と、前記入力部220に入力される情報に応じて対象者が知覚する環境を制御する環境制御部250と、を備える。【選択図】図2