NDLI: Effects of spatial variation of skull and cerebrospinal fluid layers on optical mapping of brain activities

Content Provider	Springer Nature Link
Author	Wang, Shuping Shibahara, Nanae Kuramashi, Daishi Okawa, Shinpei Kakuta, Naoto Okada, Eiji Maki, Atsushi Yamada, Yukio
Copyright Year	2010
Abstract	In order to investigate the effects of anatomical variation in human heads on the optical mapping of brain activity, we perform simulations of optical mapping by solving the photon diffusion equation for layered-models simulating human heads using the finite element method (FEM). Particularly, the effects of the spatial variations in the thicknesses of the skull and cerebrospinal fluid (CSF) layers on mapping images are investigated. Mapping images of single active regions in the gray matter layer are affected by the spatial variations in the skull and CSF layer thicknesses, although the effects are smaller than those of the positions of the active region relative to the data points. The increase in the skull thickness decreases the sensitivity of the images to active regions, while the increase in the CSF layer thickness increases the sensitivity in general. The images of multiple active regions are also influenced by their positions relative to the data points and by their depths from the skin surface.
Starting Page	410
Ending Page	420
Page Count	11
File Format	PDF
ISSN	13406000
Journal	Optical Review
Volume Number	17
Issue Number	4
e-ISSN	13499432
Language	English
Publisher	Optical Society of Japan
Publisher Date	2010-07-31
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	optical mapping anatomy of human head photon diffusion equation skull layer CSF layer Physics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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