ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2011
Difference in response reliability predicted by spectrotemporal tuning in the cochlear nuclei of barn owls.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Electrophysiological correlates of divergent projections in the avian superior olivary nucleus.Journal of neurophysiology · 2024Article
- Kv1 channels regulate variations in spike patterning and temporal reliability in the avian cochlear nucleus angularis.Journal of neurophysiology · 2022Article
- Theoretical Relationship Between Two Measures of Spike Synchrony: Correlation Index and Vector Strength.Frontiers in neuroscience · 2021Article
- Amplitude modulation encoding in the auditory cortex: comparisons between the primary and middle lateral belt regions.Journal of neurophysiology · 2020Article
- Spike threshold adaptation diversifies neuronal operating modes in the auditory brain stem.Journal of neurophysiology · 2019Article
- Spike timing precision changes with spike rate adaptation in the owl's auditory space map.Journal of neurophysiology · 2015Article
- Emergence of band-pass filtering through adaptive spiking in the owl's cochlear nucleus.Journal of neurophysiology · 2014Article
- Heterogeneity of intrinsic biophysical properties among cochlear nucleus neurons improves the population coding of temporal information.Journal of neurophysiology · 2014Article
- Temporal properties of responses to sound in the ventral nucleus of the lateral lemniscus.Journal of neurophysiology · 2014Article
- Direction selectivity mediated by adaptation in the owl's inferior colliculus.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013Article
- Binaural gain modulation of spectrotemporal tuning in the interaural level difference-coding pathway.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2013Article
- Intrinsic firing properties in the avian auditory brain stem allow both integration and encoding of temporally modulated noisy inputs in vitro.Journal of neurophysiology · 2012Article
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2 authors.
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Abstract
The brainstem auditory pathway is obligatory for all aural information. Brainstem auditory neurons must encode the level and timing of sounds, as well as their time-dependent spectral properties, the fine structure, and envelope, which are essential for sound discrimination. This study focused on envelope coding in the two cochlear nuclei of the barn owl, nucleus angularis (NA) and nucleus magnocellularis (NM). NA and NM receive input from bifurcating auditory nerve fibers and initiate processing pathways specialized in encoding interaural time (ITD) and level (ILD) differences, respectively. We found that NA neurons, although unable to accurately encode stimulus phase, lock more strongly to the stimulus envelope than NM units. The spectrotemporal receptive fields (STRFs) of NA neurons exhibit a pre-excitatory suppressive field. Using multilinear regression analysis and computational modeling, we show that this feature of STRFs can account for enhanced across-trial response reliability, by locking spikes to the stimulus envelope. Our findings indicate a dichotomy in envelope coding between the time and intensity processing pathways as early as at the level of the cochlear nuclei. This allows the ILD processing pathway to encode envelope information with greater fidelity than the ITD processing pathway. Furthermore, we demonstrate that the properties of the STRFs of the neurons can be quantitatively related to spike timing reliability.
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