Information Technology Reference
In-Depth Information
Fig. 1.3
An example output where the piece alternates between the styles of Schumann and
Beethoven as the EEG jumps back and forth from bar to bar between alpha (between 8 and 13 Hz)
and beta rhythms (between 14 and 33 Hz)
the various components of the system were time-consuming and far beyond the
typical skills of a music therapist or carer. Also, it was generally agreed that, from
the point of view of a user, the system would not give the feeling that they were
really playing the piano or creating music. After all, it is the computer who com-
poses the music; the user only switch between two modes of operation. I was
advised that I should try to devolve the creative process to the user even if it is to
create very simple music. I soon realised that this would require more options for
control.
1.5
SSVEP-Music System
I teamed up with music therapist Wendy Magee and her colleagues at Royal
Hospital for Neuro-disability, London, to develop a new system aimed at a trial
with a locked-in syndrome patient, henceforth referred to Tester M. Tester M
s only
active movements following a stroke include eye movements, facial gestures and
minimal head movements. She retained full cognitive capacity.
'
