An embodiment of the present invention provides a brain-specific positron emission tomography device comprising: <i /> a seat unit for supporting a subject's buttocks; a backrest unit rotatably connected to the seat unit so as to support the subject's back; a helmet unit rotatably connected to the backrest unit so as to emit positrons to the subject's head disposed in an inner containing space and to obtain tomographic images thereof; a first sensor unit disposed on the backrest unit so as to sense the weight of each of the subject's back and neck parts; a second sensor unit disposed on the seat unit so as to sense the weight of each of the subject's buttock parts; and a helmet angle adjustment unit for adjusting the angle of disposition of the helmet unit with regard to the backrest unit on the basis of information regarding the weight of each body part of the subject measured by the multiple sensor units.
HELMET-TYPE BRAIN-SPECIFIC POSITRON EMISSION TOMOGRAPHY DEVICE AND METHOD THEREFOR