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Projection from the perirhinal cortex to the frontal motor cortex in the rat
Shin ichi Kyuhou1, Hisae Gemba
1Department of Physiology, Kansai Medical University, Moriguchi, Osaka 570-8506, Japan. kyuho@takii.kmu.ac.jp
Brain Research
|February 20, 2002
Abstract:
Stimulation of the anterior perirhinal cortex (PERa) induced marked surface-negative and depth-positive field potentials in the rat frontal motor cortex (MC) including the rostral and caudal forelimb areas. Injection of biotinylated dextran into the PERa densely labeled axon terminals in the superficial layers of the MC, where vigorous unit responses were evoked after PERa stimulation, indicated that the perirhinal-frontal projection preferentially activates the superficial layer neurons of the MC.