ArticleFrontiers in neural circuits2013
Tonotopic and localized pathways from primary auditory cortex to the central nucleus of the inferior colliculus.
Article in Frontiers in neural circuits, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Gradients of response latencies and temporal precision of auditory neurons extend across the whole inferior colliculus.Journal of neurophysiology · 2023Article
- Structural Connectivity of Human Inferior Colliculus Subdivisions UsingFrontiers in neuroscience · 2022Article
- Mass spectrometry imaging of blast overpressure induced modulation of GABA/glutamate levels in the central auditory neuraxis of Chinchilla.Experimental and molecular pathology · 2021Article
- Article
- Expression and Localization of Kv1.1 and Kv3.1b Potassium Channels in the Cochlear Nucleus and Inferior Colliculus after Long-Term Auditory Deafferentation.Brain sciences · 2020Article
- Cortical Stimulation Induces Excitatory Postsynaptic Potentials of Inferior Colliculus Neurons in a Frequency-Specific Manner.Frontiers in neural circuits · 2020Article
- Top-Down Inference in the Auditory System: Potential Roles for Corticofugal Projections.Frontiers in neural circuits · 2020Review
- The effects of repetitive transcranial magnetic stimulation in an animal model of tinnitus.Scientific reports · 2016Article
- Cross-Modality Sharpening of Visual Cortical Processing through Layer-1-Mediated Inhibition and Disinhibition.Neuron · 2016Article
- Pairing broadband noise with cortical stimulation induces extensive suppression of ascending sensory activity.Journal of neural engineering · 2015Article
- Investigating a new neuromodulation treatment for brain disorders using synchronized activation of multimodal pathways.Scientific reports · 2015Article
- The cortical modulation of stimulus-specific adaptation in the auditory midbrain and thalamus: a potential neuronal correlate for predictive coding.Frontiers in systems neuroscience · 2015Review
- Suppression and facilitation of auditory neurons through coordinated acoustic and midbrain stimulation: investigating a deep brain stimulator for tinnitus.Journal of neural engineering · 2014Article
- Response features across the auditory midbrain reveal an organization consistent with a dual lemniscal pathway.Journal of neurophysiology · 2014Article
- Effects of location and timing of co-activated neurons in the auditory midbrain on cortical activity: implications for a new central auditory prosthesis.Journal of neural engineering · 2014Article
- The auditory corticocollicular system: molecular and circuit-level considerations.Hearing research · 2014Review
- Frequency-specific corticofugal modulation of the dorsal cochlear nucleus in mice.Frontiers in systems neuroscience · 2014Article
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Authors and funding
3 authors.
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Abstract
Descending projections from the cortex to subcortical structures are critical for auditory plasticity, including the ability for central neurons to adjust their frequency tuning to relevant and meaningful stimuli. We show that focal electrical stimulation of primary auditory cortex in guinea pigs produces excitatory responses in the central nucleus of the inferior colliculus (CNIC) with two tonotopic patterns: a narrow tuned pattern that is consistent with previous findings showing direct frequency-aligned projections; and a broad tuned pattern in which the auditory cortex can influence multiple frequency regions. Moreover, excitatory responses could be elicited in the caudomedial portion along the isofrequency laminae of the CNIC but not in the rostrolateral portion. This descending organization may underlie or contribute to the ability of the auditory cortex to induce changes in frequency tuning of subcortical neurons as shown extensively in previous studies.
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