We have developed a sparse mathematical representation of speech that minimizes the
number of active model neurons needed to represent typical speech sounds. The model …

Neuronal responses in auditory cortex show a fascinating mixture of characteristics that
span the range from almost perfect copies of physical aspects of the stimuli to extremely …

In contrast to the visual system, the auditory system has longer subcortical pathways and
more spiking synapses between the peripheral receptors and the cortex. This unique …

The present study explores the issue of cortical coding by spike count and timing using
statistical and information theoretic methods. We have shown in previous studies that …

Acoustic processing requires integration over time. We have used in vivo intracellular
recording to measure neuronal integration times in anesthetized rats. Using natural sounds …

Humans and animals can reliably perceive behaviorally relevant sounds in noisy and
reverberant environments, yet the neural mechanisms behind this phenomenon are largely …

Identifying behaviorally relevant sounds in the presence of background noise is one of the
most important and poorly understood challenges faced by the auditory system. An elegant …

In the auditory cortex of awake animals, a substantial number of neurons do not respond to
pure tones. These neurons have historically been classified as “unresponsive” and even …

Work on the functional organization of auditory cortex in nonhuman primates has recently
gained increasing attention. Neurophysiological studies using complex stimuli, combined …

Cortical processing of auditory stimuli involves large populations of neurons with distinct
individual response profiles. However, the functional organization and dynamics of local …