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Neural correlates of intra-saccadic motion perception.
Journal of Vision ( IF 1.8 ) Pub Date : 2021-10-27 , DOI: 10.1167/jov.21.11.19
Gaëlle Nicolas 1 , Eric Castet 2 , Adrien Rabier 1 , Emmanuelle Kristensen 1 , Michel Dojat 3 , Anne Guérin-Dugué 1
Affiliation  

Retinal motion of the visual scene is not consciously perceived during ocular saccades in normal everyday conditions. It has been suggested that extra-retinal signals actively suppress intra-saccadic motion perception to preserve stable perception of the visual world. However, using stimuli optimized to preferentially activate the M-pathway, Castet and Masson (2000) demonstrated that motion can be perceived during a saccade. Based on this psychophysical paradigm, we used electroencephalography and eye-tracking recordings to investigate the neural correlates related to the conscious perception of intra-saccadic motion. We demonstrated the effective involvement during saccades of the cortical areas V1-V2 and MT-V5, which convey motion information along the M-pathway. We also showed that individual motion perception was related to retinal temporal frequency.

中文翻译:

眼内运动知觉的神经相关性。

在正常的日常条件下,在眼球扫视期间,视觉场景的视网膜运动不会被有意识地感知。有人提出,视网膜外信号会主动抑制眼跳内运动感知,以保持对视觉世界的稳定感知。然而,使用优化的刺激以优先激活 M 通路,Castet 和 Masson (2000) 证明在扫视期间可以感知运动。基于这种心理物理学范式,我们使用脑电图和眼球追踪记录来研究与眼内运动的有意识感知相关的神经相关性。我们展示了在皮层区域 V1-V2 和 MT-V5 的扫视过程中的有效参与,它们沿 M 通路传递运动信息。
更新日期:2021-10-27
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