Abstract:
A method and apparatus for evaluating physiological and behavioral functioning of predetermined regions of interest of the human brain by displaying topographical maps of measured information. Brain electrical activity and/or predetermined physical parameters are measured in association with selected neuropsychological tests, and the measured information is operated on by providing weighted output signals characteristic of physiological functioning of the regions of interest of the patient's brain. The resulting weighted output signals are plotted as a topographical map. The measured brain electrical activity and measured predetermined physical parameters are also compared and a conversion matrix developed based on data bases of measured information for normal and abnormal subjects.
Abstract:
Signal processing techniques and systems and, in particular, an apparatus, system, algorithm and method of extraction of sinusoidal signals of time-varying nature is described. The apparatus, system, algorithm and method provide for extraction of a specified single sinusoidal component of an input signal, potentially containing other components and noise, and tracking variations of the amplitude, phase and frequency of such a sinusoid component over time. A “tool” or “core unit,” embodying the apparatus, system, algorithm or method may be used in isolation or as the fundamental building block of single-core or multi-core systems.
Abstract:
An apparatus and method for display of biologically induced electrical activity is disclosed. The apparatus includes sensors for measuring EEG or MEG signals from a living body and using these signals to compute one or more dipoles representative of the measured electrical activity. Values of the electrical activity may also be computed for discrete locations in or on the body. The operator has the ability to input a variety of different computational specifications or criteria to facilitate dipole computation. The resulting computed data may be selectively displayed as a dipole within a three-dimensional representation of the body, as a movie-like series of dipoles, as a composite or tracing of dipoles or as various topographic maps. The operator also has the ability to change the display to provide different perspective views or to enlarge the displayed scene.
Abstract:
An apparatus for monitoring and operating on brain input activity signals to provide topographical maps characteristic of patient brain activity. The apparatus senses the brain input activity signals and processes the signals to provide detailed information on patient brain activity. Complete topographical maps of the patient brain are activity constructed by a line-by-line interpolation method. A color coded scale adjacent the topographical map is utilized to provide additional information on patient brain activity. The user has a number of options available to select various information for display and analysis.
Abstract:
Method and apparatus for encoding chemistry information on an identification device used to identify containers of biological matter such as blood samples, the apparatus including superimposed dies each having a plurality of rows of apertures, the apertures of one die being in alignment with the apertures of the other die, the dies being spaced one from another to receive the identification device between the dies. A stylus, having a tip for penetrating the identification device, is selectively inserted through the aligned apertures in the two dies thereby perforating (encoding) the device at one or more predetermined sites. Each perforation represents a chemical test or a set of tests to be performed on the biological matter in the container. A verifier is provided so that when the stylus perforates the device at a given site, an electrical circuit is completed to illuminate a corresponding portion of a display panel for optical indication to the operator of the true nature of the encoding which has taken place.