Are brain implants the future of thinking?

Brain-computer interface technology is moving fast and Silicon Valley is moving in. Will we all soon be typing with our minds?Almost two years ago, Dennis Degray sent an unusual text message to his friend. “You are holding in your hand the very first text message ever sent from the neurons of one mind to the mobile device of another,” he recalls it read. “U just made history.”Degray, 66, has been paralysed from the collarbones down since an unlucky fall over a decade ago. He was able to send the message because in 2016 he had two tiny squares of silicon with protruding metal electrodes surgically implanted in his motor cortex, the part of the brain that controls movement. These record the activity in his neurons for translation into external action. By imagining moving a joystick with his hand, he is able to move a cursor to select letters on a screen. With the power of his mind, he has also bought products on Amazon and moved a robotic arm to stack blocks.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Neuroscience Computing Facebook Technology Source Type: news

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Authors: Proboszcz M, Mycroft K, Paplinska-Goryca M, Górska K, Nejman-Gryz P, Jankowski P, Zak N, Krenke R Abstract Blood eosinophilia has been proposed as a surrogate marker for airway eosinophilia and as a predictor of treatment response in chronic obstructive pulmonary disease (COPD). The aim of the study was to assess the relationship between blood and sputum eosinophils and to investigate the association between blood and sputum eosinophil count and clinical features of mild-to-moderate COPD. We performed a retrospective analysis of blood and sputum eosinophil count, as well as demographic and lung func...
Source: COPD: Journal of Chronic Obstructive Pulmonary Disease - Category: Respiratory Medicine Tags: COPD Source Type: research
Authors: Frykholm E, Lima VP, Selander HV, Nyberg A, Janaudis-Ferreira T Abstract While the mechanisms underlying exercise limitations and symptoms during leg activities have been investigated in detail, knowledge of potential differences between leg and arm activities are not well understood and results from individual studies are contradictory. Thus, the aim of the present study was to synthesize physiological and symptomatic responses during activities involving the arms relative to activities involving the legs in people with Chronic Obstructive Pulmonary Disease (COPD). Any study with a cross-sectional compari...
Source: COPD: Journal of Chronic Obstructive Pulmonary Disease - Category: Respiratory Medicine Tags: COPD Source Type: research
Conclusions: The constantly increasing prevalence of NAFLD in the general population can contribute to a growing role of NAFLD/NASH in HCC epidemiology. Moreover, some particular challenges specific for patients with liver steatosis may impede proper HCC diagnosis, treatment and follow-up. PMID: 31631714 [PubMed - as supplied by publisher]
Source: Current Medical Research and Opinion - Category: Research Tags: Curr Med Res Opin Source Type: research
Authors: Guo J, Xu H, Liu S, Wang Z, Dai Y, Lu J, Zheng S, Xu D, Zhou J, Ke L, Cheng X, Xu M, Zhang X, Guo Y, Lin Y, Ding W, Gao G, Wang H, Chen Q, Yu X, Chen H, Qin L, Sun X, Li Z, Zheng S, Wang J, Cheng Y, Qiu S, Hu Y, Huang P, Lin C, Wu Q, Li Y, Chen T, Shaw C, Ho S, Wang Q, Gu H, Rao P Abstract Of all the aerobic respiration by-products, cytotoxic superoxide derived from mitochondrial-leaked electrons, is the only one known to be disposed of intracellularly. Is this fate the only destiny for mitochondrial-leaked electrons? When Cynomolgus monkeys were injected intravenously with reactive oxygen species (ROS) in...
Source: Free Radical Research - Category: Research Tags: Free Radic Res Source Type: research
Source: St. Michael's Hospital News and Media - Category: Hospital Management Tags: Hospital News Source Type: news
Conclusion: There is evidence that the bystander effects for both lethality and mutagenicity occurred in the unirradiated half of the cells, in which only half of the cells were irradiated with the carbon ions. These results suggest that the bystander cellular effects via gap-junction-mediated cell-cell communication are dependent on the type of radiation. PMID: 31633439 [PubMed - as supplied by publisher]
Source: International Journal of Radiation Biology - Category: Radiology Tags: Int J Radiat Biol Source Type: research
Conclusions: It has been concluded that effective atomic number and electron density of malathion is bigger than the other drugs and the variations in values of Zeff and Nel for all drugs depend on chemical compositions and photon energy where the K-absorption edge of elements may affect the energy dependence of Zeff and Nel. It should also be noted that the buildup of photons is less in malathion and carbachol and is more in tabun and parathion compared with other drugs. Photon interaction parameters evaluated in the present study may be beneficial in radiation dosimetry and therapy. PMID: 31633438 [PubMed - as supplied by publisher]
Source: International Journal of Radiation Biology - Category: Radiology Tags: Int J Radiat Biol Source Type: research
CONCLUSIONS: Apoptosis is an important clinical target to protect NSCs during brain tumor radiotherapy using carbon-ion radiation as well as conventional X-rays. PMID: 31633435 [PubMed - as supplied by publisher]
Source: International Journal of Radiation Biology - Category: Radiology Tags: Int J Radiat Biol Source Type: research
Conclusions: Apart from complex formulas that describe these phenomena, we discuss which simple formulas can best approximate them and when is the case to use them for curve fitting of micronuclei data. PMID: 31633434 [PubMed - as supplied by publisher]
Source: International Journal of Radiation Biology - Category: Radiology Tags: Int J Radiat Biol Source Type: research
Conclusions: SIF + XRT caused changes in patterns of endothelial cell death and survival, proinflammatory molecule release, and adhesion molecule expression at early time points post-XRT associated with early reduction of immune cell recruitment. These findings suggest that SIF could mediate its radioprotective effects in irradiated lungs by limiting excessive immune cell homing via vascular endothelium into damaged lung tissue and curtailing the overall inflammatory response to radiation. PMID: 31633433 [PubMed - as supplied by publisher]
Source: International Journal of Radiation Biology - Category: Radiology Tags: Int J Radiat Biol Source Type: research
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