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. Author manuscript; available in PMC: 2020 Jul 15.
Published in final edited form as: Dev Psychobiol. 2018 Dec 26;61(3):430–443. doi: 10.1002/dev.21818

Figure 4. fNIRS headset placement over a cochlear implant device.

Figure 4.

A) The location of the cochlear implant’s external magnet interferes with headset placement over the temporal area. B) The fNIRS headset is simply apposed over the magnet (shaded area). C) Custom analytic software demonstrating the quality of scalp contact for each optode using live fNIRS recordings. The optodes obstructed by the magnet postero-superiorly lose their scalp contact (red), while the remaining optodes are unaffected and can still be used (green). The status of scalp contact remained indeterminate for certain optodes (yellow). Figure adapted from (Saliba, Bortfeld, Levitin, & Oghalai, 2016).