Cap

Definition: Cap is a wearable garment that is put on a participant’s head to stabilize the positions of the optodes (i.e., hold the light sources and detectors in place) and ensure continuous contact of the optodes with the scalp. It affects (long-term) wearing comfort and can be therefore made of various materials, such as stretchable fabrics, rubber, silicone, or foam, and is often designed to fit a specific head size and shape.It typically has built-in holders or holes to insert the probes or modules. A cap also plays an important role in isolating detectors from ambient light.Definition: Cap is a wearable garment that is put on a participant’s head to stabilize the positions of the optodes (i.e., hold the light sources and detectors in place) and ensure continuous contact of the optodes with the scalp. It affects (long-term) wearing comfort and can be therefore made of various materials, such as stretchable fabrics, rubber, silicone, or foam, and is often designed to fit a specific head size and shape.It typically has built-in holders or holes to insert the probes or modules. A cap also plays an important role in isolating detectors from ambient light.

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References: https://doi.org/10.1364/ao.54.000576

Related terms: headgear

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