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Electromechanical Wave Imaging (EWI) has recently been introduced as a non-invasive, ultrasound-based imaging modality, which could map the electrical activation of the heart in various echocardiographic planes in mice, dogs and humans in vivo. By acquiring radio-frequency (RF) frames at very high frame rates (390-520Hz), the onset of small, localized, transient deformations resulting from the electrical...
Neuroimaging via fMRI reveals that the neural networks behind the visual system are one of the most complex systems for processing information regarding the external world. Ocular movements can be classified as conjugate saccadic or disconjugate vergence eye movements. Motor learning is another highly complex function residing in the cortical and subcortical regions of the brain that utilizes both...
We present the results of a study in which we monitored anti-angiogenic therapy response in a mouse cancer model with in-vivo dynamic fluorescence imaging. In the experiments indocyanine green (ICG) was used as a fluorescent optical contrast agent and its time-dependent uptake and washout before and after the administration of bevacizumab was recorded. We found that compared with other organs, tumors...
Harmonic Motion Imaging (HMI) is a technique capable of imaging tissue mechanical properties during acoustic radiation force application. Recently, HMIFU has been shown capable for high-intensity focused ultrasound (HIFU) therapy and monitoring. Here, a theoretical analysis of the Harmonic Motion Imaging for Focused Ultrasound (HMIFU) system is performed using a 2D nonlinear wave propagation model...
This research used the Infomax ICA algorithm to search for independent circuits within the functional activity evoked during saccadic and vergence tracking fMRI experiments. Image processing determined independent components from each subject's data and then identified which components had high correlation between subjects. Using the individual independent components that had high correlation between...
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