Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing
文献类型：期刊论文
| 作者 | Yamane, Yukako1; Ito, Junji2,3; Joana, Cristian2,3,4; Fujita, Ichiro5; Tamura, Hiroshi5; Maldonado, Pedro E.; Doya, Kenji1; Grun, Sonja2,3,8 |
| 刊名 | ENEURO
 |
| 出版日期 | 2023 |
| 卷号 | 10期号:10 |
| 关键词 | INFERIOR TEMPORAL NEURONS REPETITION SUPPRESSION OBJECT REPRESENTATION ADAPTATION CORTEX SELECTIVITY SYNCHRONIZATION SPARSENESS NORMALIZATION MECHANISMS |
| DOI | 10.1523/ENEURO.0086-23.2023 |
| 英文摘要 | During free viewing, we move our eyes and fixate on objects to recognize the visual scene of our surround-ings. To investigate the neural representation of objects in this process, we studied individual and population neuronal activity in three different visual regions of the brains of macaque monkeys (Macaca fuscata): the pri-mary and secondary visual cortices (V1, V2) and the inferotemporal cortex (IT). We designed a task where the animal freely selected objects in a stimulus image to fixate on while we examined the relationship between spiking activity, the order of fixations, and the fixated objects. We found that activity changed across repeated fixations on the same object in all three recorded areas, with observed reductions in firing rates. Furthermore, the responses of individual neurons became sparser and more selective with individual objects. The population activity for individual objects also became distinct. These results suggest that visual neurons respond dynami-cally to repeated input stimuli through a smaller number of spikes, thereby allowing for discrimination between individual objects with smaller energy. |
| 学科主题 | Neurosciences & Neurology |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/28030]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 作者单位 | 1.Osaka Univ, Grad Sch Frontier Biosci, Osaka 5650871, Japan 2.Okinawa Inst Sci & Technol Grad Univ, Okinawa 9040495, Japan 3.Julich Res Ctr, Inst Neurosci & Med INM 6 & INM 10, D-52425 Julich, Germany 4.Julich Res Ctr, Inst Adv Simulat IAS 6, D-52425 Julich, Germany 5.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China 6.Natl Inst Informat & Commun Technol, Ctr Informat & Neural Networks CiNet, Osaka 5650871, Japan 7.Maldonado, Pedro E.] Univ Chile, Fac Med, Dept Neurosci, Santiago 8380453, Chile 8.Maldonado, Pedro E.] Univ Chile, Fac Med, Inst Neurosciencia Biomed BNI, Santiago 8380453, Chile 9.Rhein Westfal TH Aachen, Theoret Syst Neurobiol, Rhein Westfael TH RWTH, D-52056 Aachen, Germany |
| 推荐引用方式 GB/T 7714 | Yamane, Yukako,Ito, Junji,Joana, Cristian,et al. Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing[J]. ENEURO,2023,10(10). |
| APA | Yamane, Yukako.,Ito, Junji.,Joana, Cristian.,Fujita, Ichiro.,Tamura, Hiroshi.,...&Grun, Sonja.(2023).Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing.ENEURO,10(10). |
| MLA | Yamane, Yukako,et al."Neuronal Population Activity in Macaque Visual Cortices Dynamically Changes through Repeated Fixations in Active Free Viewing".ENEURO 10.10(2023). |
入库方式： OAI收割
来源：理论物理研究所
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