Christopher Weaver
@csweaver
Founder of @Bethesda | Educator & Scientist at MIT
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A recent study has found that #ImplicitLearning significantly improved gait performance under dual-task conditions compared to #ExplicitLearning in older adults. These results highlight implicit learning's potential for acquiring motor skills. @Nature nature.com/articles/s4159…
An upgraded X-ray imaging technique can provide high-resolution 3D images of chip structures. Developed by the @psich_en, this tool will be crucial for enhancing #semiconductor quality and performance moving forward. #Ptychography spectrum.ieee.org/semiconductor-…
The cellular mechanisms underlying #Alzheimers progression remain poorly understood. However, new research presents a single-cell transcriptomic atlas from six brain regions, providing valuable insight into this disease. #Neuroscience @Nature nature.com/articles/s4158…
Researchers at the @MayoClinic have successfully performed the first clinical applications of minibeam #RadiationTherapy. Two patients with challenging tumors experienced significant pain relief and tumor shrinkage after treatment. #Innovation physicsworld.com/a/first-patien…
A team of scientists from @MIT has developed an advanced microscopy system that can study #BrainPlasticity eight times faster than traditional systems. This device allows for real-time high-resolution imaging of synapses and neuronal circuits. #Neuro nature.com/articles/s4159…
nature.com
Multiline orthogonal scanning temporal focusing (mosTF) microscopy for scattering reduction in in...
Scientific Reports - Multiline orthogonal scanning temporal focusing (mosTF) microscopy for scattering reduction in in vivo brain imaging
A new #MRI technique developed by scientists at @MIT maps the location of cells labeled with light-emitting molecules even when they are located deep within organs and other tissues. This could help us better understand #TumorGrowth. #Biotech physicsworld.com/a/mri-techniqu…
physicsworld.com
MRI technique detects light-emitting molecules deep inside the brain – Physics World
New method circumvents limitations of optical imaging by making blood vessels sensitive to light from luminescent labelling proteins
This study published in @Nature analyzes how #CognitiveControl can be enhanced through an 8-week intervention focusing on response inhibition. Their findings revealed long-lasting improvements in specific measures of cognitive control after 1 year. #Neuro nature.com/articles/s4159…
A team of researchers from @MIT_Picower has developed a new image sensor with individually programmable sampling speed and phase for each pixel. This will enable the detection of weak neuronal APs and subthreshold activities. #Innovation #Neuro nature.com/articles/s4146…
nature.com
Pixel-wise programmability enables dynamic high-SNR cameras for high-speed microscopy
Nature Communications - The researchers present an image sensor that allows every pixel to have independent exposure. It can sample a cell ROI’s fast fluorescence activity with long exposures...
.@nvidia new #MLPerf training tests feature 11,616 Nvidia H100 GPUs, completing the GPT-3 training task in just 3.5 minutes—a 3.2-fold improvement over last year’s results. This ability could help us fine-tune #LLMs to a degree we haven't seen yet. spectrum.ieee.org/mlperf-nvidia-…
spectrum.ieee.org
Nvidia Conquers Latest AI Tests
GPU maker tops new MLPerf benchmarks on graph neural nets and LLM fine-tuning
A new study published in @JMIR_JMH highlights the potential of #VR technology to treat major depressive disorder. Researchers found that these interventions are comparable to traditional behavioral activation therapies. #Neuroscience @Stanford neurosciencenews.com/depression-vir…
SpiNNcloud Systems's new hybrid #supercomputing platform combines traditional #AI accelerators with #neuromorphic computing capabilities inspired by the human brain. The platform's computational efficiency make it particularly unique . @IEEESpectrum spectrum.ieee.org/neuromorphic-c…
spectrum.ieee.org
Brain-Inspired Computer Approaches Brain-Like Size
Gestalt design yields flexibility and neuromorphic computational scale
In a new paper published in @NeuroCellPress, researchers explain how "mixed selectivity" in neurons helps the brain achieve the cognitive capacity to incorporate all the relevant information without becoming overwhelmed by what's not. #Neuro #Science sciencedirect.com/science/articl…
In this study published in @Nature, researchers developed a novel strategy for designing channel structures within electrodes, facilitating seamless integration with polymer gel #electrolytes for optimal #battery performance. #Physics #Innovation nature.com/articles/s4158…
nature.com
High-performance fibre battery with polymer gel electrolyte
Nature - A fibre lithium-ion battery that can potentially be woven into textiles shows enhanced battery performance and safety compared with liquid electrolytes.
Researchers from @MIT_Picower found that bursts of brain rhythms with “beta” frequencies control where and when neurons in the cortex process sensory information and plan responses. This could help us better understand #cognition. #Neuro #Science cell.com/trends/cogniti…
This study in @Nature shows that #astrocytes can integrate calcium signals from distant processes to their cell bodies. This suggests that they may function as computational units in the #brain, integrating signals in response to important events. #Neuro nature.com/articles/s4159…
nature.com
Centripetal integration of past events in hippocampal astrocytes regulated by locus coeruleus
Nature Neuroscience - How astrocytes can integrate information is incompletely understood. Here the authors show that locus coeruleus-controlled calcium signals in hippocampal astrocytes...
In this study published in @ElsevierConnect, researchers posit that #cognition can only be understood by observing how millions of cells act in coordination. Their framework highlights how this coordination is driven by oscillating electric fields. #Neuro sciencedirect.com/science/articl…
Researchers from @UCBerkeley and @UCSF recently tested how a prototype sensor can monitor biological changes in the tissues of mice. If developed further, this sensor could be used to monitor tumors in real-time. #Innovation #Physics #BiomedicalDevice spectrum.ieee.org/cancer-sensor
Researchers developed a new platform to explore dendritic translation’s role in #MemoryFormation and #IntellectualDisorders. Using this method, they discovered unknown factors involved in memory-related protein synthesis within dendrites. #Neuro @Nature nature.com/articles/s4159…
nature.com
Neuronal activity rapidly reprograms dendritic translation via eIF4G2:uORF binding
Nature Neuroscience - Precise profiling of dendritic RNA regulation reveals how neuronal depolarization leads to ribosome switching onto short upstream open reading frames and new coding sequences...
In this study published in @Nature, researchers found that #ClimbingFibers and corresponding Purkinje cell complex spike events provide essential instructive signals for associative cerebellar #learning. #Neuroscience #Science nature.com/articles/s4159…
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