Surgery – Truss – Pad
Patent
1981-05-15
1983-10-04
Howell, Kyle L.
Surgery
Truss
Pad
128732, A61B 504
Patent
active
044072996
ABSTRACT:
Information on brain electrical activity is derived from electrical-activity transducers spaced apart over the skull, the information is processed into a time sequence of matrices having elements representing the responses of the transducers, a succession of overlapping running-average matrices is generated each corresponding to an average of a plurality of the matrices in the time sequence, and the running-average matrices are displayed as a sequence of topographic maps. Expanded display matrices are generated from the data matrices by adding new matrix elements using three-point linear interpolation based on pre-stored coefficients corresponding to the location of each new matrix element with respect to the three closest transducer locations.
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Howell Kyle L.
Sykes Angela D.
The Children's Medical Center Corporation
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