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  Identifying functional correlations between lateral hypothalamus and cingulate cortex underlying brain state-dependent pupil dynamics

Takahashi, K., Sobczak, F., Pais-Roldán, P., & Yu, X. (2021). Identifying functional correlations between lateral hypothalamus and cingulate cortex underlying brain state-dependent pupil dynamics. In 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021).

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Takahashi, K1, 2, Author              
Sobczak, F1, 2, Author              
Pais-Roldán, P, Author              
Yu, X1, 2, Author              
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1Research Group Translational Neuroimaging and Neural Control, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528695              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: The lateral hypothalamus (LH) is known to mediate different vigilance states and modulate pupil dilation through various neural populations. However, measuring subcortical neuronal activity non-invasively while assessing the brain state has remained challenging. Recently, it has been shown that the coupling between fMRI brain signals and pupil size fluctuations depends on the underlying brain state. In this work, we suggest that the synchronization of LH fMRI signals with pupil fluctuations may indicate modulation of the vigilance level of the brain.

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 Dates: 2021-05
 Publication Status: Published online
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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
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Start-/End Date: 2021-05-15 - 2021-05-20

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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0576 Start / End Page: - Identifier: -