Abstract

We have been studying the underlying mechanisms of face perception in humans using magneto-(MEG), electroencephalography (EEG) and near-infrared spectroscopy (NIRS). In this lecture, I will mainly focus on the development of face perception in infants. NIRS is a spectroscopic method using the near-infrared region of the electromagnetic spectrum (from 780 nm to 2500 nm). The biggest advantages of NIRS compared with functional magnetic resonance imaging (fMRI) are as follows: (1) NIRS can be used when subjects are moving, for example, during walking and cooking. Therefore, NIRS can be used to measure brain activity of infants and children who cannot help moving; (2) It is much cheaper. We recently made a special light probe of NIRS for studying infants. I will mainly introduce our basic studies of face perception in infants using NIRS. In addition, I will introduce our latest clinical studies in patients with attention deficit hyperactivity disorder (ADHD) and anorexia nervosa.

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