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Multiscale and Multimodal Imaging for Connectomics

  • Ankur Gogoi
  • Gerd Keiser
  • Fu-Jen Kao
  • Ann-Shyn Chiang
Chapter
Part of the Progress in Optical Science and Photonics book series (POSP, volume 5)

Abstract

Recent advances in optical imaging tools for mapping the structural and functional connectomes have greatly augmented our understanding of the brains. The brain is a multilayered and multicompartmental organ where the structures possess multiple length scales, ranging from nanometer (single synapses) to centimeter (whole intact organ), and its functions take place at multiple timescales, ranging from sub-milliseconds (synaptic events) to years (behavioral changes). Therefore, neuroscientists need to image neurocircuits not only at nanometric spatial resolution but also in millisecond time frame in large brain volumes to adequately study neuronal functions. An ideal tool for brain imaging should provide high speed, high resolution, and high contrast with deep penetration in large tissue volumes and sufficient molecular specificity. Toward this end, recent progresses in the optical brain imaging technologies have allowed extracting unprecedented insights into brain. In this chapter, we discuss the various imaging modalities aiming for high-throughput brain imaging, as well as the challenges encountered in imaging the connectome.

Notes

Acknowledgements

We would like to acknowledge the Ministry of Science and Technology (MOST), Taiwan, and University Grants Commission (UGC), India, for their support to the biophotonics research projects at NYMU and JBC (UGC Grant No. F.5-376/2014-15/MRP/NERO/2181).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Institute of Biophotonics, National Yang-Ming UniversityTaipei 112Taiwan
  2. 2.Department of PhysicsJagannath Barooah CollegeJorhatIndia
  3. 3.Department of Electrical and Computer EngineeringBoston UniversityBostonUSA
  4. 4.Department of Life ScienceBrain Research Center, Institute of Biotechnology, National Tsing Hua UniversityHsinchuTaiwan
  5. 5.Genomics Research Center, Academia SinicaNankang, TaipeiTaiwan
  6. 6.Institute of Physics, Academia SinicaNankang, TaipeiTaiwan
  7. 7.Biomedical Science and Environmental Biology, Kaohsiung Medical UniversityKaohsiungTaiwan
  8. 8.Kavli Institute for Brain and Mind, University of CaliforniaSan Diego, La JollaUSA

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