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Université de Fribourg

Dissociated lateralization of transient and sustained blood oxygen level-dependent signal components in human primary auditory cortex

Lehmann, Christoph ; Herdener, Marcus ; Schneider, Peter ; Federspiel, Andrea ; Bach, Dominik R. ; Esposito, Fabrizio ; di Salle, Francesco ; Scheffler, Klaus ; Kretz, Robert ; Dierks, Thomas ; Seifritz, Erich

In: NeuroImage, 2007, vol. 34, no. 4, p. 1637-1642

Among other auditory operations, the analysis of different sound levels received at both ears is fundamental for the localization of a sound source. These so-called interaural level differences, in animals, are coded by excitatory–inhibitory neurons yielding asymmetric hemispheric activity patterns with acoustic stimuli having maximal interaural level differences. In human auditory cortex, the...