A brain image reconstruction apparatus can reconstruct a brain image as a sharper image. A brain image reconstruction apparatus 1 has a data acquisition unit 10 that acquires brain activity data of a user； a brain image reconstructor 31 that detects image information from the brain activity data and constructs a brain image； a linguistic information detector 32 that detects linguistic information from the brain activity data； an image database 42 that stores sample images corresponding to the linguistic information； and an image processor 33 that superimposes the sample image with the brain image, and constructs a process image.
