"NeuroSky" is a brand name of technology that specializes in creating wearable EEG (electroencephalography) headsets that measure brain wave activity during meditation, relaxation, and cognitive activities. Synonyms for "NeuroSky" could include "biometric technology," "brainwave monitoring," "mind-sensing," "EEG headset," or "brain-computer interface" technology. Other similar terms that deal with brain activity or cognitive measurement include "neurofeedback," "brainwave biofeedback," "brain monitoring," and "neurometrics." These terms all tie into the concept of using technology to measure and enhance cognitive performance or relaxation techniques, making them useful alternatives to "NeuroSky" when discussing this type of technology.