A window to the brain: ultrasound imaging of human neural activity through a permanent acoustic window

…, WS Griggs, JJ Russin, K Jann, V Christopoulos… - bioRxiv, 2023 - biorxiv.org
Recording human brain activity is crucial for understanding normal and aberrant brain function.
However, available recording methods are either highly invasive or have relatively low …

[HTML][HTML] Decoding motor plans using a closed-loop ultrasonic brain–machine interface

…, BF Osmanski, G Chau, V Christopoulos… - Nature …, 2024 - nature.com
Brain–machine interfaces (BMIs) enable people living with chronic paralysis to control
computers, robots and more with nothing but thought. Existing BMIs have trade-offs across …

[HTML][HTML] Theta-frequency medial septal nucleus deep brain stimulation increases neurovascular activity in MK-801-treated mice

…, SJ Siegel, C Liu, V Christopoulos… - Frontiers in …, 2024 - frontiersin.org
Introduction Deep brain stimulation (DBS) has shown remarkable success treating neurological
and psychiatric disorders including Parkinson’s disease, essential tremor, dystonia, …

Systematic Review of Functional Brain Imaging Techniques in Infant Research: Previous Applications and Future Directions for Assessing Brain Motor Activity

…, K Mattingly, K Koziar, V Christopoulos… - Archives of Physical …, 2020 - archives-pmr.org
… Kofi Agyeman (University of California, Riverside), Kamryn Mattingly, Katherine Koziar,
Vasileios Christopoulos, Elena Kokkoni …

Frequency-and circuit-specific effects of septohippocampal deep brain stimulation in mice as measured by functional ultrasound imaging

…, E Iseri, P Pahlavan, SJ Siegel, C Liu, V Christopoulos… - bioRxiv, 2023 - biorxiv.org
Background Deep brain stimulation (DBS) has shown remarkable success in treating
neurological and psychiatric disorders such as Parkinson’s disease, dystonia, epilepsy, and …

Human spinal cord activation during filling and emptying of the bladder

…, K Wu, W Choi, RV Edgerton, C Liu, VN Christopoulos - bioRxiv, 2024 - biorxiv.org
Recording neural activity from the spinal cord is crucial for gaining insights into how it functions.
However, the neural activity of the human spinal cord is notoriously difficult to measure. …

Positive and negative aspects of new technologies in lifelong education

J Psyhogyios, C Vasileios, K Gerostergiou - Proceedings of the 5th …, 2008 - dl.acm.org
The aim of the present paper is the systematic study of the way(s) new technologies influence
lifelong learning. Lifelong learning is associated with all sectors of human activities and …

Comparison of image registration techniques in functional ultrasound imaging

…, RL Tobing, W Choi, C Liu, DJ Lee, V Christopoulos - bioRxiv, 2023 - biorxiv.org
Functional Ultrasound Imaging (fUSI) is an emerging hemodynamic-based functional
neuroimaging technique that combines high spatiotemporal resolution and sensitivity, as well as …

147 Medial Septal Nucleus Theta Stimulation Improves Spatial Working Memory and Increases Hippocampal Neurovascular Activity in a Mouse Model of Alzheimers …

…, M Bergosh, W Choi, CY Liu, V Christopoulos… - …, 2024 - journals.lww.com
METHODS: 12 male 5xFAD mice were partitioned into two groups, one received theta-burst
stimulation targeting the MSN (n= 4) and the other acted as controls (n= 8). Following …

514 A Functional Ultrasound Brain-Machine Interface: Real-Time Decoding of Eight Movement Directions

…, S Norman, C Rabut, T Deffieux, V Christopoulos… - …, 2023 - journals.lww.com
METHODS: We collected data from two nonhuman primates (NHPs). We used real-time fUSI
to measure activity in the posterior parietal cortex, an important area for motor planning. We …