International Journal of Molecular Sciences

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Prof. Dr. Jie Zhang

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Institute of Neuroscience, College of Medicine, Xiamen University, Xiamen 361005, China
Interests: neurodegenerative disease; Alzheimer's disease; depression

Prof. Dr. Jing Huang

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Department of Neurobiology, School of Basic Medicine, the Air Force Medical University, Xi'an 710032, China
Interests: pain; itch; development; neural circuit

Prof. Dr. Ruotian Jiang

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Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, Sichuan University, Chengdu 610041, China
Interests: ion channels; glia; pain; anesthesia; somatosensory

Special Issue Information

Dear Colleagues,

China has launched its exciting contribution to neuroscience, the China Brain Project (CBP). The amount of neuroscience research has been increasing rapidly. The Chinese Neuroscience Society (CNS) is a non-profit non-governmental organization with the status of an independent legal entity, and is supported by neuroscientists from national scientific and research units, universities, and hospitals alike. The 15th Annual Meeting of the Chinese Neuroscience Society (CNS 2022) will be held from Nov. 26 to 29, 2022, in Suzhou, just half an hour away from Shanghai, China. In this Special Issue, we will publish papers from attendees of the meetings, including, but not limited to, the following topics:

Cellular/molecular neuroscience
Systems/circuits
Neurodevelopment/neurodegeneration
Computational neuroscience
Neurotechnologies
Neurological diseases
Neuroimaging
Drug discovery

Prof. Dr. Jie Zhang
Prof. Dr. Jing Huang
Prof. Dr. Ruotian Jiang
Guest Editors

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15 pages, 3179 KiB

Open AccessArticle

Spatial Attention Modulates Neuronal Interactions between Simple and Complex Cells in V1

by Zhiyan Zheng, Qiyi Hu, Xiangdong Bu, Hongru Jiang, Xiaohong Sui, Liming Li, Xinyu Chai and Yao Chen

Int. J. Mol. Sci. 2023, 24(9), 8229; https://doi.org/10.3390/ijms24098229 - 4 May 2023

Viewed by 1243

Abstract

Visual perception is profoundly modulated by spatial attention, which can selectively prioritize goal-related information. Previous studies found spatial attention facilitated the efficacy of neuronal communication between visual cortices with hierarchical organizations. In the primary visual cortex (V1), there is also a hierarchical connection between simple (S) and complex (C) cells. We wonder whether and how spatial attention modulates neuronal communication within V1, especially for neuronal pairs with heterogeneous visual input. We simultaneously recorded the pairs’ activity from macaque monkeys when they performed a spatial-attention-involved task, then applied likelihood-based Granger causality analysis to explore attentional modulation of neuronal interactions. First, a significant attention-related decrease in Granger causality was found in S-C pairs, which primarily displayed in the S-to-C feedforward connection. Second, the interaction strength of the feedforward connection was significantly higher than that of the feedback under attend toward (AT) conditions. Although information flow did not alter as the attentional focus shifted, the strength of communications between target- and distractor-stimuli-covered neurons differed only when attending to complex cells’ receptive fields (RFs). Furthermore, pairs’ communications depended on the attentional modulation of neurons’ firing rates. Our findings demonstrate spatial attention does not induce specific information flow but rather amplifies directed communication within V1. Full article

(This article belongs to the Special Issue Selected Papers from the 15th Annual Meeting of Chinese Neuroscience Society)

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