3-D spatial sensitivity profiles of head model in near-infrared spectroscopy

    Research output: Contribution to journalConference article

    Abstract

    The heterogeneity of tissue scattering makes determination of sampling volume of near infrared spectroscopy (NIRS) instrument difficult. The 3-D spatial sensitivity profiles, which indicate the volume of tissue sampled by NIRS instrument, in the head models are predicted by Monte Carlo method. The spatial sensitivity profile is strongly affected by the clear cerebrospinal fluid (CSF) surrounding the brain. In the model with the CSF, the spatial sensitivity profile spreads extensive area in the brain surface between the source and detector but it is confined to shallow region in the brain.

    Original languageEnglish
    Pages (from-to)1868-1870
    Number of pages3
    JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
    Volume4
    Publication statusPublished - 1998 Dec 1
    EventProceedings of the 1998 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 4 (of 6) - Hong Kong, China
    Duration: 1998 Oct 291998 Nov 1

    ASJC Scopus subject areas

    • Signal Processing
    • Biomedical Engineering
    • Computer Vision and Pattern Recognition
    • Health Informatics

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