Innovative Methodology Component analysis reveals sharp tuning of the local field potential in the guinea pig auditory cortex
نویسندگان
چکیده
Alain de Cheveigné, Jean-Marc Edeline, Quentin Gaucher, and Boris Gourévitch Centre National de la Recherche Scientifique, Laboratoire de Psychologie de la Perception UMR 8581, Paris, France; Université Paris Descartes, Paris, France; Département d’Etudes Cognitives, Ecole normale supérieure, Paris, France; Ear Institute, University College London, London, United Kingdom; Centre National de la Recherche Scientifique, Centre de Neurosciences Paris Sud, UMR 8195, Orsay, France; and Université Paris-Sud, Orsay, France
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Alain de Cheveigné , Jean - Marc Edeline , Quentin Gaucher and Boris Gourévitch potential in the guinea pig auditory cortex Component analysis reveals sharp tuning of the local field
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Local field potentials (LFPs) recorded in the auditory cortex of mammals are known to reveal weakly selective and often multimodal spectrotemporal receptive fields in contrast to spiking activity. This may in part reflect the wider "listening sphere" of LFPs relative to spikes due to the greater current spread at low than high frequencies. We recorded LFPs and spikes from auditory cortex of gui...
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In this research, anatomical descriptions of the structure of the temporal bone and auditory ossicles have been performed based on dissection of ten guinea pigs. The results showed that, in guinea pig temporal bone was similar to other animals and had three parts; squamous, tympanic and petrous .The tympanic part was much better developed and consisted of oval shaped tympanic bulla with many re...
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The inferior colliculus (IC) is a major processing center in the ascending auditory pathway. The role of the IC in the descending efferent auditory system is less clear. Although the IC central nucleus (ICC) is the major relay station for the ascending auditory pathways, the IC's cortex receives its main input from the neocortex and nonauditory sources. The goal of this study was to determine i...
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Sensitization training with an auditory stimulus produces a general increase in response magnitude across the entire receptive field (RF) of neurons in the primary auditory cortex of the guinea pig (Bakin, J.S. and Weinberger, N.M., Brain Res., 536 (1990) 271-286). To determine if this effect reflects an auditory system-specific process or is caused by a process independent of the training stim...
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