Neurochemical properties for defining subdivisions of the mouse medial geniculate body

Tomioka, Ryohei; Takemoto, Makoto; Song, Wen-Jie

doi:10.1016/j.heares.2023.108724

Hearing Research

2023

DOI: 10.1016/j.heares.2023.108724

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Neurochemical properties for defining subdivisions of the mouse medial geniculate body

Ryohei Tomioka

Makoto Takemoto

Wen-Jie Song

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2024

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Cited by 1 publication

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The External Globus Pallidus as the Hub of the Auditory Cortico-Basal Ganglia Loop

Tomioka,

Shigematsu,

Miyashita

et al. 2024

eNeuro

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The cortico-basal ganglia loop has traditionally been conceptualized as consisting of three distinct information networks: motor, limbic, and associative. However, this three-loop concept is insufficient to comprehensively explain the diverse functions of the cortico-basal ganglia system, as emerging evidence suggests its involvement in sensory processing, including the auditory systems. In the present study, we demonstrate the auditory cortico-basal ganglia loop by using transgenic mice and viral-assisted labelings. The caudal part of the external globus pallidus (GPe) emerged as a major output nucleus of the auditory cortico-basal ganglia loop with the cortico-striato-pallidal projections as its input pathway and pallido-cortical and pallido–thalamo–cortical projections as its output pathway. GABAergic neurons in the caudal GPe dominantly innervated the nonlemniscal auditory pathway. They also projected to various regions, including the substantia nigra pars lateralis, cuneiform nucleus, and periaqueductal gray. Considering the functions associated with these GPe-projecting regions, auditory cortico-basal ganglia circuits may play a pivotal role in eliciting defensive behaviors against acoustic stimuli.

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The External Globus Pallidus as the Hub of the Auditory Cortico-Basal Ganglia Loop

Tomioka,

Shigematsu,

Miyashita

et al. 2024

eNeuro

View full text Add to dashboard Cite

show abstract

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Neurochemical properties for defining subdivisions of the mouse medial geniculate body

Cited by 1 publication

References 42 publications

The External Globus Pallidus as the Hub of the Auditory Cortico-Basal Ganglia Loop

The External Globus Pallidus as the Hub of the Auditory Cortico-Basal Ganglia Loop

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