PROBLEM TO BE SOLVED: To develop work issues and an execution method for a nerve psychological test for activating a vertical split part, or a joint of both the left/right hemispheres of the prefrontal area in the front half part of the cerebrum and to measure the brain high-order function of this portion.;SOLUTION: Question items of color figures having a prescribed dimension or more and attributes of double issues formed by combining colors and shapes are devised, the question items having the attributes are presented to a testee by dividing into an exercise item and a main question item and making a figure with a different color from the double issue conditions of the color figure presented in the exercise item as a right answer, and the testee is taught that it is an examination for a way of searching it. An identification work of concentrating an attention on searching the right figure is assigned to the testee with a time limit. This test arouses a conflict effect in the frontal lobe of the testee and selectively and vertically activate the vertical split part, or the joint between the left/right hemispheres on the forehead front surface of the frontal lobe of the testee, so as to measure the ability of the portion.;COPYRIGHT: (C)2004,JPO
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