Search Results - "Infantosi, A.F.C"
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42. Association between spontaneous EEG and doppler velocimetry of cerebral blood flow in newborns during
Published in Clinical neurophysiology (2008)Get full text
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A matrix-based algorithm for estimating multiple coherence of a periodic signal and its application to the multichannel EEG during sensory stimulation
Published in IEEE transactions on biomedical engineering (01-07-2004)“…The coherence between the stimulation signal and the electroencephalogram (EEG) has been used in the detection of evoked responses. The detector's performance,…”
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Use of magnitude-squared coherence to identify the maximum driving response band of the somatosensory evoked potential
Published in Brazilian journal of medical and biological research (01-12-2006)“…The present study proposes to apply magnitude-squared coherence (MSC) to the somatosensory evoked potential for identifying the maximum driving response band…”
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Topographic distribution of the tibial somatosensory evoked potential using coherence
Published in Brazilian journal of medical and biological research (01-12-2008)“…The objective of the present study was to determine the adequate cortical regions based on the signal-to-noise ratio (SNR) for somatosensory evoked potential…”
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Estimation of coherence between blood flow and spontaneous EEG activity in neonates
Published in IEEE transactions on biomedical engineering (01-05-2005)“…Blood flow to the brain responds to changes in neuronal activity and, thus, metabolic demand. In earlier work, we observed correlation between cerebral blood…”
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Comments on "Statistical Distribution of the Measure of Coherence
Published in IEEE transactions on biomedical engineering (01-11-2006)“…In the letter by Nadarajah and Kotz (2006), the sampling distribution of a new coherence measure proposed by us in 2001 is said to be derived, and programs for…”
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Statistical analysis of event-related potential elicited by verb-complement merge in Brazilian Portuguese
Published in Brazilian journal of medical and biological research (01-11-2006)“…An interesting fact about language cognition is that stimulation involving incongruence in the merge operation between verb and complement has often been…”
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Topographic aspects of photic driving in the electroencephalogram of children and adolescents
Published in Brazilian journal of medical and biological research (01-06-2004)“…The electroencephalogram amplitude spectra at 11 fixed frequencies of intermittent photic stimulation of 3 to 24 Hz were combined into driving "profiles" for…”
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A statistical technique for measuring synchronism between cortical regions in the EEG during rhythmic stimulation
Published in IEEE transactions on biomedical engineering (01-10-2001)“…The coherence function has been widely applied in quantifying the degree of synchronism between electroencephalogram (EEG) signals obtained from different…”
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Evolutionary pulse-coupled neural network for segmenting breast lesions on ultrasonography
Published in Neurocomputing (Amsterdam) (29-01-2016)“…Purpose: This paper presents an evolutionary segmentation approach for breast lesions on ultrasound (BUS) based on the pulse-coupled neural network (PCNN)…”
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Statistical analysis of event-related potential elicited by verb-complement merge in Brazilian Portuguese
Published in Brazilian journal of medical and biological research (01-11-2006)Get full text
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Modeling extracellular space electrodiffusion during Lea/spl tilde/o's spreading depression
Published in IEEE transactions on biomedical engineering (01-03-2004)“…Computational modeling of spreading depression (SD) has been used increasingly to study the different mechanisms that are involved in this phenomenon. One of…”
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Modeling extracellular space electrodiffusion during Leão's spreading depression
Published in IEEE transactions on biomedical engineering (01-03-2004)“…Computational modeling of spreading depression (SD) has been used increasingly to study the different mechanisms that are involved in this phenomenon. One of…”
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Modeling extracellular space electrodiffusion during Lea o's spreading depression
Published in IEEE transactions on biomedical engineering (01-03-2004)“…The main goal of this paper is to present a mathematical derivation for the extracellular electric field that is incorporated in a SD model that has the basic…”
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Functional imaging of the retinal layers by laser scattering: an approach for the study of Leão's spreading depression in intact tissue
Published in Journal of neuroscience methods (15-03-2003)“…This paper presents a novel optical approach for the study of spreading depression in isolated retina. The method makes it possible to register the laser light…”
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Comparing objective MLAEP detection techniques in time- and frequency-domain for anaesthesia monitoring
Published in Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439) (2003)“…The mid-latency auditory evoked potential (MLAEP) has been used to monitor anaesthesia by means of objective methods, such as magnitude squared coherence…”
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Conference Proceeding -
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Morphological operators on the segmentation of breast ultrasound images
Published in 2009 Pan American Health Care Exchanges (01-03-2009)“…This work presents a computerized lesion segmentation technique on breast ultrasound images. There were applied known techniques such as morphological…”
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Conference Proceeding -
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Surface classification method for a microcomputer-based tutorial system of anatomy
Published in Proceedings of 18th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (1996)“…For a microcomputer-based tutorial system, algorithms based on Surfaces have been implemented, using classification procedures for spatial position and normals…”
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Conference Proceeding -
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A statistical test for comparing the degree of activation in the EEG due to sensory stimulation
Published in Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439) (2003)“…A statistical test has been proposed to evaluate the significance in the degree of cortical activation due to sensory stimulation. Such test is based on a…”
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Conference Proceeding -
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Classification of surface normals in a tutorial microcomputer-based system for anatomy
Published in 38th Midwest Symposium on Circuits and Systems. Proceedings (1995)“…A method for reduction of processing time in 3D visualization is proposed, in which normals and hence visibility of surfaces are precalculated by dividing the…”
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Conference Proceeding