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  • Title: [Cortical mechanisms of auditive perception in man: contribution of cerebral potentials and evoked magnetic fields by auditive stimulations].
    Author: Liégeois-Chauvel C, Laguitton V, Badier JM, Schwartz D, Chauvel P.
    Journal: Rev Neurol (Paris); 1995; 151(8-9):495-504. PubMed ID: 8578070.
    Abstract:
    The goal of this study is to determine and localize the generators of different components of middle latency auditory evoked potentials (MLAEPs) through intracerebral recordings in auditory cortex in Human (Heschl's gyrus and Planum Temporale). The intracerebral data show that the generators of components at 30, 50, 60 and 75 msec latency are distributed medio-laterally along the Heschl's gyrus. The 30 msec component is generated in the dorso-postero-medial part of the Heschl's gyrus (primary area) and the 50 msec component is generated laterally in the primary area. The generators of the later components (60-75 msec) are localized in the lateral part of the Heschl's gyrus that are the secondary areas. The comparison with the generators of the components of the magnetic auditory evoked field and the tonotopic organization of the auditory cortex are discussed.
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