Scalp
Definition: The skin which covers the top of the head. Most of the scalp, except for the forehead, is usually covered by hair, which can affect optode-scalp coupling. Good coupling is fundamental to acquiring meaningful neuroimaging data with EEG and fNIRS.
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References: National Cancer Institute. National Cancer Institute Thesaurus, 2017. Documentation page available on http://nciterms.nci.nih.gov.
Related terms: Skull, Hair, Skin, Dura