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Spontaneous activities associated with primary visual cortex: detected from resting state fMRI data
- Kun Wang, Tianzi Jiang, Chunshui Yu, Lixia Tian, Jun Li, Yong Liu, Yuan Zhou, Ming Song, Kuncheng Li,
- Original article citation: Cerebral Cortex 18," 697 - 704, (2008).
- Categories: Neuroscience
- Recommended by: Meng Liang on 02/24/2008 04:02PM GMT
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Using regional temporal clustering, this study provided quantitative evidence for the existence of spontaneous activities in the primary visual areas of human beings during the resting state. They also found that there was a neural network that was associated with the emergence of spontaneous activities in the PVA. Although the precise mental processes supported by such a neural network remain to be elucidated, our results suggest that memory-related mental imagery and visual memory consolidation processes may be candidates. Through investigating spontaneous activities without any external stimulus, this study may offer a new perspective for exploring the visual perception and other brain processing. In addition, the phenomenon that primary visual area has spontaneous activities without any stimulus offers new evidence for the perspective that the brain is a system intrinsically operating on its own, and sensory information interacts with rather than determines the operation of the system.
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