Jennifer M. Crawford

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We report observation of a fine structure component in backscattered light from mucosal tissue which is periodic in wavelength. This structure is ordinarily masked by a diffusive background. We have identified the origin of this component as being due to light which is Mie scattered by surface epithelial cell nuclei. By analyzing the amplitude and frequency(More)
The purpose of the research reported here was to examine a number of issues relating to the nature of selective attention effects on auditory event-related potentials (ERPs), namely, to determine the relative contribution of N1 and slow wave (SW) to the early and late components of Nd respectively, where Nd is defined as the negative shift of attended ERPs(More)
Event-related potentials (ERPs) for tone pips from attended and unattended sources, which varied on discriminability, were compared with ERPs for the same stimuli recorded during performance of a visual task. This comparison revealed that Nd, the negative shift of attended relative to unattended ERPs, consisted of three components: a negativity in the(More)
The arteriovenous malformation of the vein of Galen (AVG), composed of a fistula between medium to large arteries and the vein of Galen, is frequently fatal in the neonatal period. We now report three cases of infants with AVG and associated patent ductus arteriosus (PDA), and review the literature for these associated findings. The presence of a PDA can(More)
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