6-channel to stereo audio transformation optimizing stimuli distinguishability in AMUSE paradigm.
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2022-07-04
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en
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Abstract
Brain-computer interfaces provide novel means of communication through
induced brain signals, bypassing the need for motor function. A novel auditory
BCI paradigm has been shown to facilitate rehabilitation in native
German post-stroke aphasia patients. The paradigm employed an auditory
oddball task incorporating spatial information into the auditory stimuli.
Spatial information was introduced with the aid of a ring of six speakers
surrounding a patient. Long and intense training sessions were required for
patients to improve on clinical aphasia assessments. This study aims to find
novel ways of introducing supplementary information to auditory stimuli
such that the ring of speakers might be replaced by stereo headphones. Five
different transformations from 6-channel to stereo audio were developed and
assessed. Additionally, a web application was developed to facilitate future
researchers in the creation of novel auditory stimuli incorporating spatial
information.
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Faculteit der Sociale Wetenschappen