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AJNR - American Journal of Neuroradiology

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Positron-Emission Tomography of Brain Regions Activated by Recognition of Familiar Music

M. Satoh^a, K. Takeda^b, K. Nagata^c, E. Shimosegawa^d and S. Kuzuhara^a

^a Department of Neurology, Mie University School of Medicine, Mie, Japan
^b Department of Neurology, Japanese Red Cross Medical Center, Tokyo, Japan
^c Departments of Neurology, Research Institute for Brain and Blood Vessels, Akita, Japan
^d Departments of Radiology, Research Institute for Brain and Blood Vessels, Akita, Japan

View larger version (48K): [in a new window]   Fig 1. Activation maps for the subtraction of the familiarity versus the alteration-detecting tasks. Areas of significant activation (P < .01) are superimposed onto the surface maps of the averaged MR imaging of the brains of 10 subjects. Anterior portion of bilateral temporal lobes, posterior portion of superior temporal gyri, anterior and posterior portion of medial frontal lobes, bilateral cingulated gyri, bilateral parahippocampal gyri, left inferior frontal gyrus, and middle portion of left superior temporal gyrus were remarkably activated. ll, lateral surface of left hemisphere; lm, medial surface of left hemisphere; rl, lateral surface of right hemisphere; rm, medial surface of right hemisphere; up, upper surface. The left side of the bottom-image shows the left side of the brain.

View larger version (52K): [in a new window]   Fig 2. Activation maps for the subtraction of the alteration-detecting versus familiarity tasks. Areas of significant activation (P < .01) are superimposed onto the surface maps of the averaged MR imaging of the brains of 10 subjects. Precunei, superior and inferior parietal lobules, anterolateral portion of frontal lobes, premotor areas, middle portion of cingulated gyrus, and the cerebellum were bilaterally activated. ll, lateral surface of left hemisphere; lm, medial surface of left hemisphere; rl, lateral surface of right hemisphere; rm, medial surface of right hemisphere; up, upper surface. The left side of the bottom-image shows the left side of the brain.