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Decoding Brain Responses to Pixelized Images in the Primary Visual Cortex: Implications for Visual Cortical Prostheses by Bing-bing Guo & Xiao-lin Zheng & Zhen-gang Lu & Xing Wang & Zheng-qin Yin & Wen-sheng Hou & Ming Meng is a nonfiction available to read on EtoBox.
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Abstract*Correspondence to:Visual cortical prostheses have the potential to restore partial vision. Still limited by the low-res Wen-sheng Hou, M.D., olution visual percepts provided by visual cortical prostheses, implant wearers can currently [email protected] “see” pixelized images, and how to obtain the specific brain responses to different pixelized images in the primary visual cortex (the implant area) is still unknown. We conducted a funcorcid: tional magnetic resonance imaging experiment on normal human participants to investigate 0000-0002-2201-4177 (Wen-sheng Hou)the brain activation patterns in response to 18 different pixelized images. There were 100 voxels in the brain activation pattern that were selected from the primary visual cortex, and voxel size was 4 mm × 4 mm × 4 mm. Multi-voxel pattern analysis was used to test if these 18 different doi: 10.4103/1673-5374.167761 brain activation patterns were specific. We chose a Linear Support Vector Machine (LSVM) as classifier in this study. The results showed that the classification accuracies of different brain activation patterns were significantly above chance level, which suggests that the classifier can Accepted
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- Author
- Bing-bing Guo & Xiao-lin Zheng & Zhen-gang Lu & Xing Wang & Zheng-qin Yin & Wen-sheng Hou & Ming Meng
- Published
- 2025
- Language
- EN
- Category
- nonfiction
- Subjects
- Medical, Neuroscience, Medicine
More by Bing-bing Guo & Xiao-lin Zheng & Zhen-gang Lu & Xing Wang & Zheng-qin Yin & Wen-sheng Hou & Ming Meng
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