What we know
Some meditation headbands and brain-tracking devices collect users’ brainwave data and use it to train AI models. Reports indicate that companies behind these devices are not always clear about how they handle or share this neural data, raising transparency concerns. Brain-tracking devices, including meditation headbands, may feed collected brainwave data into AI systems. Companies often lack transparency about the purposes and handling of the brainwave data they gather.
Why it matters
Consumer EEG devices are increasingly popular for monitoring brain activity during meditation or relaxation, generating valuable neural data. This data can advance AI research but also raises privacy and consent issues if users are unaware their brainwaves are being used to train AI models. Understanding how companies use this sensitive information is important for protecting user rights and data security.
What is still unknown
Details about the accuracy of the brainwave measurements, the specific AI models trained with this data, and the extent of user consent remain unclear. There is no information on supported languages, data security measures, or any regulatory oversight. No independent evaluations of these devices’ data practices have been reported.