Cited by 45Neuroscience and Music PerceptionHearing, Cochlea, Tinnitus, GeneticsAnimal Vocal Communication and Behavior

Distinct anatomical connectivity patterns differentiate subdivisions of the nonlemniscal auditory thalamus in mice

Cai, Dongqin, Yue, Yin, Su, Xin, Liu, Miaomiao, Wang, Yiwei, You, Ling, Xie, Fenghua, Deng, Fei +3 more·2019·Cerebral Cortex

Abstract

Systematic examination of the inputs and outputs of the nonlemniscal auditory thalamus will facilitate the functional elucidation of this complex structure in the central auditory system. In mice, comprehensive tracing studies that reveal the long-range connectivity of the nonlemniscal auditory thalamus are lacking. To this end, we used Cre-inducible anterograde and monosynaptic retrograde viruses in Calbindin-2A-dgCre-D and Calretinin-IRES-Cre mice, focusing on the differences across subdivisions of the nonlemniscal auditory thalamus. We found that, 1) the dorsal and medial parts of the auditory thalamus were predominantly connected to sensory processing centers, whereas the posterior intralaminar (PIN) and peripeduncular nucleus (PP) were additionally connected to emotion and motivation modulation centers; 2) ventral auditory cortical areas were the major source of cortical inputs for all subdivisions, and the PIN/PP received more inputs from cortical layer 5 than other subdivisions did; 3) deep layers of the superior colliculus and rostral part of the nonlemniscal inferior colliculus preferentially projected to the PIN/PP; and 4) compared with the dorsal auditory thalamus, the PIN/PP mainly innervated association cortices. In addition, new brain areas connected to the nonlemniscal auditory thalamus, mostly the PIN/PP, were identified. Our results suggested subdivision-specific function of the nonlemniscal auditory thalamus in sound processing.

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Crossref · 10.1093/cercor/bhy115

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  • Tracing studies in rodents have shown that the PIL receives inputs from sensory regions such as the inferior and superior colliculus, auditory cortex, and spinal cord and projects to socially relevant brain regions including the PVH, lateral septum, MPOA, and medial amygdala.

    “Tracing studies conducted in rodents have provided anatomical support for this theory, demonstrating that the PIL receives inputs from sensory regions such as the inferior and superior colliculus, auditory cortex, and spinal cord (3, 7-10) and projects to socially relevant brain regions including the paraventricular nucleus of the hypothalamus (PVH), the lateral septum, medial preoptic area (MPOA)”

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Authors
Cai, D., Yue, Y., Su, X., Liu, M., Wang, Y., You, L., Xie, F., Deng, F., Chen, F., Luo, M., & Yuan, K.
Affiliations
  • Tsinghua University (CN)
  • National Institute of Biological Sciences, Beijing (CN)
Corresponding author
Yuan, Kexin
Venue
Cerebral Cortex
Published
2018-05-04
Volume
29
Issue
6
Pages
2437-2454
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2804652286
Cited by
45
References
95
Citations by year
2026: 3 · 2025: 8 · 2024: 13 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 7 · 2019: 1 · 2018: 1
FWCI
1.78
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31371115, 81527901)
  • Center for Brain-Inspired Computing Research
  • Tsinghua IDG/McGovern Institute for Brain Research
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Sensory Systems › Hearing, Cochlea, Tinnitus, Genetics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
Keywords
structural connectivity, superior colliculus, inferior colliculus, association cortex, audio signal processing
MeSH terms
Animals, Auditory Pathways, Female, Male, Mice, Inbred C57BL, Thalamus, Mice

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