Perfusion and Processing on the Cortical Samples
HIGHER ORDER MOMENT PROCESSING OF LASER DOPPLER PERFUSION SIGNALS
... average perfusion in the illuminated tissue volume, but renders no information about the quality of the ...the perfusion can be obtained. One way of gain- ing such perfusion quality measures is to ...
Signal Processing Tools of MRI Perfusion-weighted Imaging Data Analysis
... First, I would like to thank my advisor, Dr. Hamid Krim, whose help, stimulating suggestions and encouragement helped me in all the time of research for and writing of this thesis. I knew him since Fall 2001 when I ...
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Cortical Regional Hyperperfusion in Nonconvulsive Status Epilepticus Measured by Dynamic Brain Perfusion CT
... regional perfusion changes, as recorded with PCT, allow the differentiation be- tween NCSE and postictal ...regional perfusion asymmetry as a discriminator, this time we have focused on the visual analysis ...
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The cortical basis of visual scene processing
... The cortical basis of visual scene processing Russell ...for processing information about visual ...in processing navigationally relevant spatial ...
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Cortical Mechanisms Of Adaptation In Auditory Processing
... Auditory Processing Abstract Adaptation is computational strategy that underlies sensory nervous systems’ ability to accurately encode stimuli in various and dynamic contexts and shapes how animals perceive their ...
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Cortical And Subcortical Mechanisms For Sound Processing
... Sound Processing Abstract The auditory cortex is essential for encoding complex and behaviorally relevant ...distinct cortical neuronal subtypes shape and encode both simple and complex sound ...different ...
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PERSPECTIVES. The cortical organization of speech processing
... direct cortical stimulation studies corroborate the involvement of the middle temporal gyrus in auditory comprehension, but also indicate a much broader network involving most of the superior temporal lobe ...
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Human cortical perfusion and the arterial pulse: a near-infrared spectroscopy study
... difficulty with spectral estimations is the reliance on a clear signal with high signal-to-noise ratio for quantitative assessment of the perfusion state. In the present study, we sought to develop a more direct ...
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Functional MR of brain activity and perfusion in patients with chronic cortical stroke
... Maps of relative cerebral blood volume and activation were created and compared with visual field examinations and conventional T2-weighted images on a quadrant-by-quadrant basis in five of these patients. RESULTS: ...
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Dynamic Thermal Imaging for Intraoperative Monitoring of Neuronal Activity and Cortical Perfusion
... Abstract: Intraoperative thermal neuroimaging is a novel intraoperative imaging technique for the characterization of perfusion disorders, neural activity and other patho- logical changes of the brain. It bases on ...
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Cortical swallowing processing in early subacute stroke
... A new approach for reconstruction of spatio-temporal brain activities from neuromagnetic measurements is the minimum variance beamformer, which was origin- ally developed in the field of array signal processing, ...
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Adaptation maintains cortical visual processing at criticality
... Introduction Self-organized criticality is a key subject that describes complex naturalistic systems (Bak, P., Tang, C. & Wisenfeld, 1987). Our study will focus on the network dynamics of the visual cortex in the ...
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Restriction of task processing time affects cortical activity during processing of a cognitive task: an event-related slow cortical potential study
... task processing time by the instruction to respond as quickly and accurately as possible leads to task-unspecific cognitive ...task processing mode is used in most functional neuroimaging studies of human ...
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Investigating the Relationship between Subcortical and Cortical Auditory Processing
... temporal processing at one or many of these stages, or in the interactions between stages, may be implicated in complex hearing impairments that are not detectable using standard clinical tools such as audiometric ...
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Tool use modulates somatosensory cortical processing in humans
... Abstract Tool use leads to plastic changes in sensorimotor body representations underlying tactile perception. The neural correlates of this tool-induced plasticity in humans have not been ad- equately characterized. The ...
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Sensory processing and categorization in cortical and deep neural networks
... sensory processing and abstract categorization (computation ...sensory processing requires integrating sensory inputs while abstract categorization requires combining these integrated inputs with prior ...
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Cortical auditory temporal processing abilities in elderly listeners
... auditory cortical responses, resulting in delayed synchrony firing to the onset of ...temporal processing disruptions and have more difficulty processing time-varying cues ...temporal ...
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Cortical and striatal reward processing in Parkinson's disease psychosis
... reward processing has been proposed as a key domain contributing to the pathogenesis of psychotic symptoms in ...that cortical and striatal abnormalities in reward processing, a putative ...
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Acute kidney injury is associated with a decrease in cortical renal perfusion during septic shock
... as cortical renal perfusion ranged from almost no perfusion to hyperemic perfusion (even above the cortical renal perfusion observed in the control group) despite the fact that ...
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Progressive Cortical Neuronal Damage and Extracranial Intracranial Bypass Surgery in Patients with Misery Perfusion
... Therefore, there is a considerable risk of selection bias, though the clinical backgrounds were not significantly different among the 3 groups. For these reasons, the findings in this study should be confirmed in future ...
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