Edward J. Rzempoluck

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Digital EEG systems allow for the creation of specialized montages not commonly available previously with analog equipment. Montages that employ the principles of local average reference techniques utilize a subset of spatially separated electrodes to produce a synthetic reference that will aid in localization. By employing these techniques, focal(More)
The purpose of the study was to determine if a nonlinear estimate of dimensional complexity, Pointwise correlation dimension (Pd2), could be used to identify abnormal cardiac physiology associated with depression in primary care outpatients. The subjects were 22 medical controls and 30 general medical outpatients with depression who wore a cardiac monitor(More)
It has recently been suggested that reentrant connections are essential in systems that process complex information [A. Damasio, H. Damasio, Cortical systems for the retrieval of concrete knowledge: the convergence zone framework, in: C. Koch, J.L. Davis (Eds.), Large Scale Neuronal Theories of the Brain, The MIT Press, Cambridge, 1995, pp. 61-74; G.(More)
Title Type neural network data analysis using simulnet PDF neural network data analysis using simulnetp PDF neural network applications proceedings of the second british neural network society meeting ncm 9 PDF exploratory analysis of metallurgical process data with neural networks and related methods PDF statistical analysis of network data methods and(More)
A generalized regression neural network (GRNN) was trained to discriminate between EEGs recorded while subjects identified a camouflaged target object (picture condition) from EEGs recorded during a visually matched control task (control condition). In the picture condition subjects, three female and two male right handers, ages 23-47, viewed images(More)
OBJECTIVE To determine if an unsupervised self-organizing neural network could create a clinically meaningful distinction of 'depression' versus 'no depression' based on cardiac time-series data. DESIGN A self-organizing map (SOM) was used to separate the time-series of 84 subjects into groups based on characteristics of the data alone. MATERIALS AND(More)
EEG correlates of camouflaged object identification were investigated in this pilot study by recording 8-s epochs of scalp potentials under two conditions. In the experimental condition subjects, three female and two male right-handers, aged 23-47, viewed images depicting camouflaged target objects, and signalled identification by blinking. In the control(More)
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