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NEW: Spinal cord stimulation can instantly improve arm mobility for people affected by moderate to severe #stroke, report researchers from University of Pittsburgh and Carnegie Mellon University today in Nature Medicine. Marco Capogrosso Elvira Pirondini Doug Weber ➡️

10,925 views • 3 years ago •via X (Twitter)

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This is Tatiana Sampaio, a Brazilian scientist who restored movement to six paraplegic patients. The Nobel Prize in Medicine is the bare minimum 🇧🇷 After more than twenty years dedicated to scientific research, Brazilian biologist Tatiana Coelho de Sampaio gained international recognition by leading a groundbreaking study on spinal cord injuries. A professor at the Laboratory of Extracellular Matrix Biology at UFRJ (Federal University of Rio de Janeiro), she coordinates the development of polylaminin, an experimental molecule that opens new perspectives for the treatment of people with paraplegia and tetraplegia caused by accidents. The substance is a laboratory-produced version of laminin, a protein essential in embryonic development for guiding communication between neurons. Created from proteins extracted from the human placenta, polylaminin can be applied directly to the injured area of ​​the spinal cord, promoting the regeneration of nerve circuits and the recovery of previously compromised motor functions. Even though it is still in the experimental phase, the initial results have attracted the attention of the scientific community. Some patients undergoing the treatment have shown partial or even complete recovery of movement and sensation, something considered unlikely by conventional medicine. There are records of volunteers who regained movement in affected limbs after the procedure. The project is being developed in partnership with the Brazilian laboratory Cristália and already has investments to advance to the next stages. The goal now is to obtain authorization from Anvisa (Brazilian Health Regulatory Agency) to expand clinical studies and evaluate, on a larger scale, the safety and efficacy of the therapy.

Astronomiaum

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Congrats Rajat Kumar Jenamani, Ziang Liu and the team on getting nominated for best paper award at #HRI2024 for their work on inside-mouth bite transfer for people with severe mobility limitations. People with severe mobility conditions cannot bend their neck to take a bite from a utensil. So, bite transfer inside the mouth is crucial. But, feeding people with severe mobility limitations inside the mouth is extremely challenging due to various medical conditions such as involuntary spasms, limited mouth opening, ability to chew only at specific locations inside the mouth etc. Rajat and the team addressed this issue by developing novel methods for mouth perception under tool occlusion and physical-interaction aware control using visual and haptic sensing that can distinguish between these different subtle physical interactions between the mouth, the tongue, and the utensil and invoke various downstream compliant controllers that are safe and can successfully feed people despite these functionality challenges. We deployed this robotic system in 3 sites (one lab, one medical center, one home) across people with C1-C4 Spinal Cord Injury, Multiple Sclerosis, Schizencephaly, Arthrogryposis, etc. and we were able to successfully feed people with all these severe conditions. The system was portable enough that Rajat and the team were able to drive six hours, install the robotic system in one afternoon, and fed a care receiver inside their home. [1/2]

Tapomayukh "Tapo" Bhattacharjee

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**New DataViz Project** Curious about academic impact? Tired of rankings? Today we are introducing Rankless ( a new data exploration platform that can help you explore the academic impact of thousands of universities. All universities produce impact that is specific to certain topics and geographies, but rankings flatten that information. Rankless wants to change that. Consider a comparison between the University of Utah and the University of Vienna, two universities ranked similarly in the Shanghai ranking. These universities differ in their geographical and topical footprint. The University of Utah specializes in Neuroscience and Medicine whereas the University of Vienna specializes in Physics, Astronomy, and Environmental Sciences. Their geographic impact is also quite different. Utah receives a large fraction of citations from medical centers in the U.S., Canada, and Israel, whereas Vienna receives many citations from technical institutes in Austria, Germany, and Hungary. These differences are easy to explore in Rankless but hard to see in rankings. Rankless was developed by a talented team at the Center for Collective Learning at Corvinus University (Corvinus University of Budapest). It was brought to life by Endre Mark Borza (Endre Mark Borza), a Hungarian economist and data engineer at CCL with the help of Máté Barkóczi, a Hungarian designer form MOME, and Veronika Hamar executive director at CCL. By moving beyond rankings, Rankless offers a fresh perspective on how universities influence each geography and topic, emphasizing diverse forms of impact and providing a richer understanding of academic influence. To learn more visit

César A. Hidalgo

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