Surgery – Diagnostic testing – Detecting brain electric signal
Reexamination Certificate
2006-02-28
2006-02-28
Nasser, Robert L. (Department: 3736)
Surgery
Diagnostic testing
Detecting brain electric signal
C600S546000, C600S558000, C600S559000
Reexamination Certificate
active
07006863
ABSTRACT:
The present invention relates to a method and an apparatus for simultaneously assessing the functional status of component parts of the nervous system by presenting sparse stimuli to one or more parts of the sensory nervous system. Sparse stimuli consist of temporal sequences of stimulus conditions presented against a baseline null stimulus condition, where the non-null stimulus condition, or conditions, are presented relatively infrequently. The low probability of encountering a stimulus differing from a baseline or null stimulus condition in sparse stimulus sequences insures that gain control mechanisms within the nervous system will increase the neural response magnitude and also bias the measured responses to those neurone populations having such gain controls. The consequently increased response amplitudes ensure more reliably recorded responses than are obtained with non-sparse stimuli.
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James Andrew Charles
Maddess Teddy Lee
Knobbe Martens Olson & Bear LLP
Nasser Robert L.
The Australian National University
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