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Research Design

Probe Design

One of the first steps in fNIRS research is designing your probeset–deciding where sources and detectors should be placed on the head. Below are a few resources to help you in this process. Please email fNIRS-lab@umich.edu if you need more assistance.

The International 10-20 System  is useful for determining anchor points for your probe configuration. Positioning your probeset relative to anchor points will ensure that the probe is at the same anatomical location for each of your participants.

The International 10-10 System  is a more complex alternative to the 10-20 system. Brain regions relative to the international 10:10 System: Koessler et al., 2009

The Münster T2T-Converter  (Talairach-to-Ten-Twenty Converter) calculates the 10-20 system coordinates that correspond to a brain region’s Talairach or MNI coordinates.

Atlas Viewer GUI  is also useful for placing probe configurations relative to your region of interest. This software is included in the developer version of HomER2.

Cap Construction                                                                            

Experimental Design

Most of our users decide to use the software E-Prime to develop and present their experimental paradigms. E-Prime’s Training can help you get started.

E-Prime has the capability to send triggers to the CW6 software, allowing you to mark when in your data certain things were presented by E-Prime. This Trigger Help Presentation  may help you add triggers to your experiment.