Comparison of deep neural networks to spatio-temporal cortical dynamics of human visual object recognition reveals hierarchical correspondence - Scientific Reports

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ID: 274512
2016
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Abstract
The complex multi-stage architecture of cortical visual pathways provides the neural basis for efficient visual object recognition in humans. However, the stage-wise computations therein remain poorly understood. Here, we compared temporal (magnetoencephalography) and spatial (functional MRI) visual brain representations with representations in an artificial deep neural network (DNN) tuned to the statistics of real-world visual recognition. We showed that the DNN captured the stages of human visual processing in both time and space from early visual areas towards the dorsal and ventral streams. Further investigation of crucial DNN parameters revealed that while model architecture was important, training on real-world categorization was necessary to enforce spatio-temporal hierarchical relationships with the brain. Together our results provide an algorithmically informed view on the spatio-temporal dynamics of visual object recognition in the human visual brain.
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martin2016scientificcomparison Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cichy, Radoslaw Martin;Khosla, Aditya;Pantazis, Dimitrios;Torralba, Antonio;Oliva, Aude;Cichy, Radoslaw Martin;Khosla, Aditya;Pantazis, Dimitrios;Torralba, Antonio;Oliva, Aude;
Journal Scientific reports
Year 2016
DOI
doi:10.1038/srep27755
URL
https://dx.doi.org/10.1038/srep27755
Keywords
perception object vision

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