Mood therapy hits a positive note

摘要

Scientists are developing a brain-computer interface (BCI) that recognises a person's affective state and plays music to them based on their mood. The team from the universities of Reading and Plymouth believes the system could be used as a therapeutic aid for people suffering with certain forms of depression. Dr Slawomir Nasuto, project leader at Reading, told The Engineer. 'When we perform some cognitive functions our brain generates lots of electrical activity, which can be recognised as fluctuations of tiny electrical potentials using non-invasive techniques.