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Deep learning algorithms assist in identifying microplastics in human body

A study has developed a method using dark-field microscopy and deep learning algorithms to identify microplastics in human cells, achieving an accuracy of 93% for 1-micron polystyrene particles. The technique has the potential to screen microplastics in various samples, reducing time-consuming data acquisition and processing steps.

SourceKazan Federal University·JournalAnalytical and Bioanalytical Chemistry·TypeExperimental study·DateNov 22, 2021

Scientists pick up the 'slack' on describing the brain networks behind motor function

A new study by Ritsumeikan University reveals that whole-body dynamic balance training increases brain connectivity and improves motor learning. The research found significant changes in brain activity associated with offline learning, opening up new avenues for studying neural networks during natural tasks.

SourceRitsumeikan University·JournalMedicine & Science in Sports & Exercise·TypeExperimental study·DateNov 22, 2021

AI that classifies colorectal polyps proves useful in the clinic

A new AI model has been developed to classify colorectal polyps, demonstrating accuracy and sensitivity at a level comparable to practicing pathologists. The model was tested in a clinical trial involving 15 pathologists, showing significant improvements in accuracy compared to traditional methods.

SourceDartmouth Health·JournalJAMA Network Open·TypeComputational simulation/modeling·DateNov 18, 2021

Size matters for bee ‘superorganism’ colonies

Research suggests that larger bee colonies with comfortable food stores are less willing to take risks, while smaller colonies with limited resources are more likely to ignore warning signals. This study provides insights into the complex communication system of bees and its implications for understanding biological collectives.

SourceUniversity of California - San Diego·JournalJournal of The Royal Society Interface·TypeExperimental study·DateNov 9, 2021

Brain reveals the risk for developing obesity

A study at the University of Turku found that brain function regulating satiety and appetite is altered before obesity develops, with family background risk factors contributing to these changes. The findings suggest the brain and central nervous system are key targets for treating obesity.

SourceUniversity of Turku·JournalInternational Journal of Obesity·TypeImaging analysis·DateNov 3, 2021

Alzheimer’s disease may cause vicious circle between brain network and immune cell dysfunctions

Scientists at Gladstone Institutes discovered that non-convulsive epileptic activity drives chronic brain inflammation in Alzheimer's models, which can be reversed by eliminating protein tau or using the anti-epileptic drug levetiracetam. This link between brain networks and immune cells may hold promising treatments for Alzheimer's di...

SourceGladstone Institutes·JournaliScience·DateOct 26, 2021

Maintaining balance in the brain

Researchers at Gladstone Institutes found that reducing tau levels impacts both excitatory and inhibitory cells, leading to a reduction in excitation-inhibition ratios. This effect counteracts diseases that cause abnormal increases in this ratio, potentially improving the brain's ability to perform its functions.

SourceGladstone Institutes·JournalCell Reports·DateOct 19, 2021

Primordial ‘hyper-eye’ discovered

A team of researchers has found a 390-million-year-old hyper-facet eye system in trilobites that is unique to the animal kingdom. The discovery suggests that this ancient eye may have been an adaptation for life in low light conditions, and could provide insights into the evolution of visual systems.

SourceUniversity of Cologne·JournalScientific Reports·TypeObservational study·DateSep 30, 2021

Contrary to expectations, study finds primate neurons have fewer synapses than mice in visual cortex

Researchers at University of Chicago and Argonne National Laboratory found that primate neurons receive two to five times fewer excitatory and inhibitory synaptic connections than similar mouse neurons. The study suggests that metabolic costs may drive larger neural networks to be sparser, as seen in primates versus mouse neurons.

SourceUniversity of Chicago Medical Center·JournalCell Reports·DateSep 14, 2021

Cutting “edge”: A tunable neural network framework towards compact and efficient models

Researchers at Tokyo Institute of Technology developed a tunable neural network framework that achieves high accuracy and efficiency for sparse CNNs. The new architecture employs a Cartesian-product MAC array and pipelined activation aligners to enable dense computing of sparse convolution, resulting in better resource utilization.

SourceTokyo Institute of Technology·TypeExperimental study·DateAug 23, 2021

Aided eye: Neural network helps augment 3D micro-CT images of fibrous materials

Researchers from Skoltech and KU Leuven used machine learning to reconstruct 3D micro-CT images of fibrous materials, overcoming the difficulties faced by humans in analyzing these complex materials. The team employed GANs to fill a gap in available inpainting tools, enabling precise material analysis and simulation.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalComputational Materials Science·DateAug 18, 2021

Neural network detects protein-peptide binding sites to kick-start peptide drug discovery

Researchers have developed a neural network model called BiteNetPp to detect protein-peptide binding sites, enabling the design of peptide-based drugs. The model consistently outperforms existing methods and can analyze a single protein structure in under a second, making it suitable for large-scale studies.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalJournal of Chemical Information and Modeling·TypeData/statistical analysis·DateAug 5, 2021

Connective issue: AI learns by doing more with less

A new study from Washington University in St. Louis shows that guided by sparsity, silicon neurons learn to pick the most energy-efficient perturbations and wave patterns, enabling an emergent phenomenon of efficient communication between neurons. This research has significant implications for designing neuromorphic AI systems.

SourceWashington University in St. Louis·JournalFrontiers in Neuroscience·TypeExperimental study·DateAug 3, 2021

Scientists trained a neural network to properly name organic molecules

Researchers from Skoltech and their colleagues developed a neural network that can efficiently generate IUPAC names for organic compounds in accordance with the IUPAC nomenclature system. The network, trained using the Transformer architecture, achieved an accuracy of nearly 99%, outperforming traditional rule-based solutions.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalScientific Reports·TypeData/statistical analysis·DateJul 28, 2021

Bats are kings of small talk in the air

Researchers found that bats can compress their echoes by up to 90% without losing essential information for sonar-based tasks. This efficient encoding strategy allows bats to navigate complex environments with minimal neural machinery, enabling them to detect location and movement with high accuracy.

SourceUniversity of Cincinnati·JournalPLOS Computational Biology·DateJul 16, 2021

Machine learning tool sorts the nuances of quantum data

A Cornell University-led team developed a machine learning tool called Correlation Convolutional Neural Networks (CCNN) to parse quantum matter and make distinctions in the data. CCNN can identify relationships among microscopic properties that are impossible to determine at the scale of quantum systems.

SourceCornell University·JournalNature Communications·DateJul 7, 2021

Did your plastic surgeon really turn back the clock? Artificial intelligence may be able to quantify how young you actually look after facelift surgery

Researchers used convolutional neural networks to analyze facial photos before and after facelift surgery in 50 patients. The AI algorithms recognized a 4.3-year reduction in age, which correlated with patient satisfaction scores, averaging 75 for facial appearance and over 80 for quality of life.

SourceWolters Kluwer Health·JournalPlastic & Reconstructive Surgery·DateJun 30, 2021

Computers predict people's tastes in art

A new study by California Institute of Technology researchers found that a computer program can accurately predict which paintings a person will like, using low-level visual attributes such as contrast, saturation, and hue. The program achieved similar accuracy to deep convolutional neural networks in predicting art preferences.

SourceCalifornia Institute of Technology·JournalNature Human Behaviour·DateJun 15, 2021

Keeping it rolling

Scientists at Osaka University employ machine learning algorithms to assess the remaining useful life of mechanical rolling bearings, which may lead to industrial cost savings and fewer discarded parts. The new method improves prediction accuracy by about 32%.

SourceOsaka University·JournalIEEE Access·DateMay 24, 2021