Abstract and Keywords
This article reflects the amount of research on various aspects of cognitive processes in primary auditory cortex (A1). The conception of A1 as an auditory analyzer is deeply embedded in neuroscience. This entrenched view is the logical product of the long-established assumption that sensory processes and higher cognitive processes are separable within the cerebral cortex. Empirical findings focus on studies of experimental animals because they afford precise control of stimuli, provide for strict localization of recording sites, and yield a variety of neurophysiological data, including unitary discharges. These three factors also enable comparison of the results of cognitive studies with the foundational animal literature on basic auditory neurophysiology. It summarizes major findings showing that A1 has cognitive functions. It also includes a brief consideration of the mechanisms of A1 plasticity, and concludes with a discussion of the implications, challenges, and opportunities that make for an exciting and potentially illuminating research future.
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