Patent ID: 8032202

Claim:
An apparatus for displaying image, said apparatus comprising: an acquisition part configured to collect CT or MR head image data of a person being examined; a tomogram forming part configured to form a tomogram from said CT or MR head image data; an analysis part configured to calculate at least one biological function data in said tomogram, formed based on said CT or MR head image data, regarding temporal changes in values of the same pixels or section of an organ with passage of time; a functional image forming part configured to form two or more functional images based on said biological function data; a composite image forming part configured to form a composite image by composing said tomogram and a blended image obtained by composing two or more portion images extracted from said functional images; and a display part configured to display said tomogram and said blended image, overlapping each other; wherein said two or more portion images extracted from said functional images have different respective gradation colors, as compared to each other, and are overlapped in display.