Provided is a mental image playback device capable of reproducing a mental image more clearly. The mental image playback device 1 is characterized by including: a data acquisition unit 10 which acquires brain activity data of a user; a mental image forming unit 31 which forms a mental image by detecting image information from the brain activity data; a language information detection unit 32 which detects language information from the brain activity data; an image database 42 in which a sample image corresponding to the language information is stored; and an image processing unit 33 which forms a processed image obtained by superposing the sample image on the mental image.
MENTAL IMAGE PLAYBACK DEVICE