Patent ID: 6470202
Filing Date: 2002-10-22
Classification: G01R,Y10S

Abstract:
A method for MRI signal analysis of an area of a biological tissue comprising:a) providing a biological tissue, wherein physiological activity is taking place in an area thereof; b) acquiring sequential magnetic resonance images, at least during a portion of time in which said physiological activity is taking place, of said area and of at least a portion of the tissue in a vicinity of the area; c) constructing, responsive to at least one pixel-related parameter value of said images, a pixel parameter space; and d) separating the pixel parameter space into at least two subspaces, wherein said at least two subspaces comprise a signal subspace and a noise subspace, the method further comprising:deriving a plurality of detection functions from image portions of a region of the brain in the vicinity of the area in said sequential images; and synchronously detecting temporal variations in said area, over a sequence of images, using synchronous detection.