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Published in: Cognitive Neurodynamics 1/2024

06-01-2023 | Research Article

Gamma-band-based dynamic functional connectivity in pigeon entopallium during sample presentation in a delayed color matching task

Authors: Xiaoke Niu, Yanyan Peng, Zhenyang Jiang, Shuman Huang, Ruibin Liu, Minjie Zhu, Li Shi

Published in: Cognitive Neurodynamics | Issue 1/2024

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Abstract

Birds have developed visual cognitions, especially in discriminating colors due to their four types of cones in the retina. The entopallium of birds is thought to be involved in the processing of color information during visual cognition. However, there is a lack of understanding about how functional connectivity in the entopallium region of birds changes during color cognition, which is related to various input colors. We therefore trained pigeons to perform a delayed color matching task, in which two colors were randomly presented in sample stimuli phrases, and the neural activity at individual recording site and the gamma band functional connectivity among local population in entopallium during sample presentation were analyzed. Both gamma band energy and gamma band functional connectivity presented dynamics as the stimulus was presented and persisted. The response features in the early-stimulus phase were significantly different from those of baseline and the late-stimulus phase. Furthermore, gamma band energy showed significant differences between different colors during the early-stimulus phase, but the global feature of the gamma band functional network did not. Further decoding results showed that decoding accuracy was significantly enhanced by adding functional connectivity features, suggesting the global feature of the gamma band functional network did not directly contain color information, but was related to it. These results provided insight into information processing rules among local neuronal populations in the entopallium of birds during color cognition, which is important for their daily life.

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Literature
go back to reference Cook R, Patton T, Shimizu T (2014) Functional segregation of the entopallium in pigeons. Philos Lond Engl 130:59–86 Cook R, Patton T, Shimizu T (2014) Functional segregation of the entopallium in pigeons. Philos Lond Engl 130:59–86
go back to reference Giron-Sierra JM (2017) Time-frequency analysis. In: Giron-Sierra JM (ed) Digital signal processing with matlab examples, Volume 1: signals and data, filtering, non-stationary signals modulation. Springer, Singapore, pp 357–494CrossRef Giron-Sierra JM (2017) Time-frequency analysis. In: Giron-Sierra JM (ed) Digital signal processing with matlab examples, Volume 1: signals and data, filtering, non-stationary signals modulation. Springer, Singapore, pp 357–494CrossRef
Metadata
Title
Gamma-band-based dynamic functional connectivity in pigeon entopallium during sample presentation in a delayed color matching task
Authors
Xiaoke Niu
Yanyan Peng
Zhenyang Jiang
Shuman Huang
Ruibin Liu
Minjie Zhu
Li Shi
Publication date
06-01-2023
Publisher
Springer Netherlands
Published in
Cognitive Neurodynamics / Issue 1/2024
Print ISSN: 1871-4080
Electronic ISSN: 1871-4099
DOI
https://doi.org/10.1007/s11571-022-09916-w

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