A cortico-basal ganglia-thalamo-cortical channel underlying short-term memory. 2021

Yu Wang, and Xinxin Yin, and Zhouzhou Zhang, and Jiejue Li, and Wenyu Zhao, and Zengcai V Guo
IDG/McGovern Institute for Brain Research, School of Medicine, Tsinghua University, Beijing, China 100084; Tsinghua-Peking Joint Center for Life Sciences, Beijing, China 100084.

Persistent activity underlying short-term memory encodes sensory information or instructs specific future movement and, consequently, has a crucial role in cognition. Despite extensive study, how the same set of neurons respond differentially to form selective persistent activity remains unknown. Here, we report that the cortico-basal ganglia-thalamo-cortical (CBTC) circuit supports the formation of selective persistent activity in mice. Optogenetic activation or inactivation of the basal ganglia output nucleus substantia nigra pars reticulata (SNr)-to-thalamus pathway biased future licking choice, without affecting licking execution. This perturbation differentially affected persistent activity in the frontal cortex and selectively modulated neural trajectory that encodes one choice but not the other. Recording showed that SNr neurons had selective persistent activity distributed across SNr, but with a hotspot in the mediolateral region. Optogenetic inactivation of the frontal cortex also differentially affected persistent activity in the SNr. Together, these results reveal a CBTC channel functioning to produce selective persistent activity underlying short-term memory.

UI MeSH Term Description Entries
D008570 Memory, Short-Term Remembrance of information for a few seconds to hours. Immediate Recall,Memory, Immediate,Working Memory,Memory, Shortterm,Immediate Memories,Immediate Memory,Immediate Recalls,Memories, Immediate,Memories, Short-Term,Memories, Shortterm,Memory, Short Term,Recall, Immediate,Recalls, Immediate,Short-Term Memories,Short-Term Memory,Shortterm Memories,Shortterm Memory,Working Memories
D009434 Neural Pathways Neural tracts connecting one part of the nervous system with another. Neural Interconnections,Interconnection, Neural,Interconnections, Neural,Neural Interconnection,Neural Pathway,Pathway, Neural,Pathways, Neural
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001479 Basal Ganglia Large subcortical nuclear masses derived from the telencephalon and located in the basal regions of the cerebral hemispheres. Basal Nuclei,Ganglia, Basal,Basal Nuclear Complex,Ganglion, Basal,Basal Nuclear Complices,Nuclear Complex, Basal,Nuclei, Basal
D013378 Substantia Nigra The black substance in the ventral midbrain or the nucleus of cells containing the black substance. These cells produce DOPAMINE, an important neurotransmitter in regulation of the sensorimotor system and mood. The dark colored MELANIN is a by-product of dopamine synthesis. Nigra, Substantia,Nigras, Substantia,Substantia Nigras
D013788 Thalamus Paired bodies containing mostly GRAY MATTER and forming part of the lateral wall of the THIRD VENTRICLE of the brain. Thalamencephalon,Thalamencephalons
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D065841 Pars Reticulata A region in the substantia nigra located ventral and lateral to the PARS COMPACTA. Pars Lateralis,Pars Reticularis,Substantia Nigra Pars Lateralis,Substantia Nigra Pars Reticulata,Substantia Nigra Reticulata,Substantia Nigra, Pars Reticulata,Laterali, Pars,Lateralis, Pars,Nigra Reticulata, Substantia,Nigra Reticulatas, Substantia,Pars Laterali,Pars Reticulari,Pars Reticulatas,Reticulari, Pars,Reticularis, Pars,Reticulata, Pars,Reticulata, Substantia Nigra,Reticulatas, Pars,Reticulatas, Substantia Nigra,Substantia Nigra Reticulatas

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