Akhil ChaudhariUniversity of Texas at Arlington | UTA · Department of Bioengineering
Akhil Chaudhari
Doctor of philosophy in biomedical engineering
About
7
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Introduction
Skills and Expertise
Publications
Publications (7)
Transcranial photobiomodulation (tPBM) has been suggested as a non-invasive neuromodulation tool. The repetitive administration of light-emitting diode (LED)-based tPBM for several weeks significantly improves human cognition. To understand the electrophysiological effects of LED-tPBM on the human brain, we investigated alterations by repeated tPBM...
Transcranial photobiomodulation (tPBM) has been suggested as a non-invasive neuromodulation tool. Repetitive administration of light-emitting diode (LED)-based tPBM for several weeks significantly improved human cognition. To understand the electrophysiological effects of LED-tPBM on the human brain, we investigated alterations by repeated tPBM in...
Enteral feeding is challenging in preterm infants because of gastrointestinal (GI) immaturity. Electrogastrography (EGG) is a non-invasive technology that measures gastric myoelectrical activity and can be utilized to measure changes that occur with maturation at different gestational ages (GA). Three gastric rhythms (GR) exist between 0.5–9 cycles...
Objective:
Transcranial photobiomodulation (tPBM) has shown promising benefits, including cognitive improvement, in healthy humans and in patients with Alzheimer's disease. In this study, we aimed to identify key cortical regions that present significant changes caused by tPBM in the electroencephalogram (EEG) oscillation powers and functional con...
![Fig. 2. A data processing f low chart with 5 steps. Step 1: [HbO] and...](profile/Sadra_Shahdadian/publication/362486330/figure/fig4/AS:11431281085772327@1663869941210/A-data-processing-f-low-chart-with-5-steps-Step-1-HbO-and-CCO-quantification-at_Q320.jpg)
![Fig. 3. a, b) An example of time domain representation of [HbO] and...](profile/Sadra_Shahdadian/publication/362486330/figure/fig5/AS:11431281085749902@1663869941327/a-b-An-example-of-time-domain-representation-of-HbO-and-CCO-signals-respectively_Q320.jpg)
The resting-state infra-slow oscillation (ISO) of the cerebral cortex reflects the neurophysiological state of the human brain. ISO results from distinct vasomotion with endogenic (E), neurogenic (N), and myogenic (M) frequency bands. Quantification of prefrontal ISO in cortical haemodynamics and metabolism in the resting human brain may facilitate...
We investigated the effect of transcranial photobiomodulation induced by light emitting diodes by recording 64-chennel electroencephalogram in vivo. Compared to sham, subjects with tPBM showed an increase in vigilance and enhanced EEG alpha power.
To understand the mechanism of action of transcranial photobiomodulation, we measured and compared alpha rhythms evoked by transcranial laser and thermal stimulations. The two types of stimulations resulted in distinct difference in alpha topographs.
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