Functional near-infrared spectroscopy (fNIRS) measures brain activity optically based on changes in cortical blood flow.

Welcome! Thank you for participating in this user study. Please read the instructions carefully and follow them in order. If you have any questions during the study, raise your hand and wait for the ...

Check whether a port is free, find a free port, wait for one to become free, inspect what is listening on it, scan a list of ports, or kill whatever is holding one — fast, and on Linux, macOS, and ...