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AJNR - American Journal of Neuroradiology

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The Anterior Portion of the Bilateral Temporal Lobes Participates in Music Perception: A Positron Emission Tomography Study

Masayuki Satoh^a,b, Katsuhiko Takeda^b, Ken Nagata^c, Jun Hatazawa^d and Shigeki 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 Department of Neurology, Research Institute for Brain and Blood Vessels, Akita, Japan
^d Department of Radiology, Research Institute for Brain and Blood Vessels, Akita, Japan

View larger version (68K): [in a new window]   FIG 1. Activation maps for the subtraction of the harmony-listening versus the soprano part–listening tasks. Areas of significant activation (P < .01) are superimposed onto the surface maps of the averaged MR imaging of the brains of eleven subjects. Anterior portions of temporal lobes, anterior cingulate gyri, and the cerebellum are bilaterally activated. Lateral surface of left hemisphere (ll); medial surface of left hemisphere (lm); lateral surface of right hemisphere (rl); medial surface of right hemisphere (rm); upper surface (up). The left side of the bottom-image shows the left side of the brain.

View larger version (70K): [in a new window]   FIG 2. Activation maps for the subtraction of the soprano part–listening minus versus the harmony-listening conditions. Areas of significant activation (P < .01) are superimposed onto the surface maps of the mean formatted averaged MR images of the brains of the eleven subjects. Bilateral superior parietal lobules occipital lobes, and right precuneus were remarkably activated. Areas in bilateral premotor and orbital frontal cortices were also activated. The left side of the bottom image shows the left side of the brain.