A neuronal population code for sound localization
نویسندگان
چکیده
منابع مشابه
Sound Localization and the Underlying Neural Code
Sound localization pathway separates from the rest of auditory pathway at an early processing stage, after cochlear nuclei. At the top of the hierarchy of all sensory pathways, in cerebral cortex, the information about the sound direction is integrated together with other sound qualities to yield an unified percept. The succession of names of anatomical structures of the pathway is: from cochle...
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In the population coding framework, we consider how the response distributions affect output distribution. A general theory for the output of neuronal population code is presented when the spike train is a renewal process. Under a given condition on the response distribution, the most probable value of the output distribution is the center of input-preferred values, whereas in the other cases t...
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متن کاملNeuronal Adaptation Translates Stimulus Gaps into a Population Code
Neurons in sensory pathways exhibit a vast multitude of adaptation behaviors, which are assumed to aid the encoding of temporal stimulus features and provide the basis for a population code in higher brain areas. Here we study the transition to a population code for auditory gap stimuli both in neurophysiological recordings and in a computational network model. Independent component analysis (I...
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Localization of sound sources is a considerable computational challenge for the human brain. Whereas the visual system can process basic spatial information in parallel, the auditory system lacks a straightforward correspondence between external spatial locations and sensory receptive fields. Consequently, the question how different acoustic features supporting spatial hearing are represented i...
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ژورنال
عنوان ژورنال: Nature
سال: 1997
ISSN: 0028-0836,1476-4687
DOI: 10.1038/42246