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Evidence of cognitive activity in functional near infrared spectroscopy signal

Ceyhun Burak Akgiil, Bülent Sankur, and Ata Akin

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Abstract

We show that functional near infrared spectroscopy signals can monitor task-related cerebral hemodynamic response. We detect periodicities in the near infared spectroscopy signals and show that the estimated periods are consistent across multiple detectors and subjects, despite the jittered periodicity of the stimuli sequence that is used in a target categorization experiment.

© 2004 Optical Society of America

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