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Patterns of intelligence

Researchers identify neural basis for abstraction and inference processes in the human brain, showing coordinated brain cell activity represents learned knowledge. The study used artificial intelligence to extract relevant responses from thousands of brain cells.

SourceCedars-Sinai Medical Center·JournalNature·TypeRandomized controlled/clinical trial·DateAug 14, 2024

Generative AI enables a new paradigm for brain network construction

A new Diffusion-based Graph Contrastive Learning (DGCL) method constructs brain networks with unique features, capturing key connections and eliminating redundant ones. DGCL outperforms existing tools in terms of efficiency and prediction accuracy for brain disease analysis.

SourceShenzhen Institute of Advanced Technology, Chinese Academy of Sciences·JournalIEEE Transactions on Pattern Analysis and Machine Intelligence·TypeCommentary/editorial·DateAug 13, 2024

Pink elephants in the brain?

A study published in Neuron reveals that neurons are wired to connect seemingly unrelated concepts, enhancing the brain's ability to predict what we see based on past experiences. Visual experience influences the organisation of feedback projections, which store information about the world.

SourceChampalimaud Centre for the Unknown·JournalNeuron·TypeExperimental study·DateAug 12, 2024

Memory problems in old age linked to a key enzyme, study in mice finds

A team of researchers from Penn State has identified HDAC3 as a key contributor to age-related impairments in memory updating. When blocked, older mice performed similarly to their younger counterparts, suggesting potential therapeutic targets for improving cognitive flexibility in old age.

SourcePenn State·JournalFrontiers in Molecular Neuroscience·TypeExperimental study·DateAug 9, 2024

Novel machine learning-based cluster analysis method that leverages target material property

Researchers developed a novel clustering technique that considers both basic characteristics and target material properties, enabling the categorization of over 1,000 oxides into material groups. This approach uses machine learning to predict target properties and incorporates basic feature information into the analysis.

SourceTokyo Institute of Technology·JournalAdvanced Intelligent Systems·TypeExperimental study·DateAug 6, 2024

“Smarter” semiconductor technology for training “smarter” artificial intelligence

Researchers at Pohang University of Science & Technology have developed a novel analog hardware using ECRAM devices that maximizes AI computational performance. Their technique, which uses a three-terminal structure with separate paths for reading and writing data, demonstrates excellent electrical and switching characteristics.

Exploring consciousness with eureka moments

Researchers propose a new approach to studying conscious cognitive information processing, focusing on eureka moments and learning curves. By analyzing performance over time, scientists can identify the timing of conscious processes and observe brain activity using imaging or electrophysiological methods.

SourceRuhr-University Bochum·JournalFrontiers in Behavioral Neuroscience·DateJul 25, 2024

How our brains learn new athletic skills fast

A new study from University of Florida researchers found that quick learners rely on the visual cortex in their brains when acquiring new motor skills. The study used brain-monitoring electrodes to analyze how people learn to walk at different speeds, revealing a clear difference between fast and slow learners.

SourceUniversity of Florida·JournaleNeuro·TypeExperimental study·DateJul 17, 2024

Student leadership development requires holistic approach, educators say

Leadership education should encompass both horizontal and vertical development, with skills like conflict management and wisdom being crucial for effective leaders. The authors provide a comprehensive model for training competent leaders by outlining concepts and strategies that can be embedded in coursework.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Leadership Education·TypeCommentary/editorial·DateJul 10, 2024

Discovery of cellular mechanism to maintain brain’s energy could benefit late-life brain health

Researchers have identified a cellular mechanism that detects when the brain needs an extra energy boost to support its activity. This discovery could lead to new therapies for maintaining brain health and longevity by targeting impaired brain energy metabolism, a process accelerated in ageing and neurodegenerative diseases.

SourceUniversity College London·JournalNature·TypeExperimental study·DateJul 3, 2024

Pusan National University researchers assess the impact of repeated item development faculty training on item difficulty prediction

A study by Pusan National University researchers found that repeated item development training enhances faculty members' accuracy in predicting and adjusting item difficulty levels, leading to better educational outcomes. The training improved the quality of MCQ assessments in medical education.

SourcePusan National University·JournalBMC Medical Education·TypeExperimental study·DateJul 1, 2024

Kids given ‘digital pacifiers’ to calm tantrums fail to learn how to regulate emotions, study finds

A study published in Frontiers found that relying on digital devices to calm children's tantrums leads to poorer anger management skills and less effortful control. Children who used digital devices more frequently showed increased frustration and decreased ability to regulate emotions.

SourceFrontiers·JournalFrontiers in Child and Adolescent Psychiatry·TypeObservational study·DateJun 28, 2024

Deep learning-assisted lesion segmentation in PET/CT imaging: A feasibility study for salvage radiation therapy in prostate cancer

Researchers explore the feasibility of deep learning models in segmenting lesions on PET/CT images to improve salvage radiation therapy planning for prostate cancer. The study demonstrates promising potential to reduce inter- and intra-observer variations, leading to more accurate treatment outcomes.

SourceImpact Journals LLC·JournalOncoscience·TypeCommentary/editorial·DateJun 28, 2024

U of T researchers develop deep-learning model that outperforms Google AI system to predict peptide structures

Researchers at U of T have developed a deep-learning model called PepFlow that can predict the full range of conformations for peptides, which are shorter than proteins but perform similar biological functions. The model combines machine learning and physics to capture precise and accurate conformations within minutes.

SourceUniversity of Toronto·JournalNature Machine Intelligence·DateJun 27, 2024

Artificial intelligence predicts upper secondary education dropout as early as the end of primary school

Researchers developed machine learning models predicting upper secondary education dropout from kindergarten age, using a 13-year longitudinal dataset. The study marks an advancement in early automatic classification, potentially leading to transformative changes in educational systems and policies.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalScientific Reports·TypeComputational simulation/modeling·DateJun 25, 2024

Standardized protocols help hospitals treat strokes faster, WVU research finds

Researchers found that hospitals that implemented standardized protocols from the American Heart Association and American Stroke Association saw significant reductions in stroke treatment times. The protocols, which include specific limits on time between symptom onset and hospital arrival, helped medical teams respond more quickly to ...

SourceWest Virginia University·JournalJournal of Operations Management·DateJun 24, 2024

How can AI cope with changing categories?

Researchers at Bar-Ilan University have discovered a new scaling law that governs how artificial neural networks handle an increasing number of categories for identification. This law reveals how the identification error rate increases with the number of required recognizable objects, impacting AI latency and efficiency.

SourceBar-Ilan University·JournalPhysica A Statistical Mechanics and its Applications·DateJun 20, 2024

Can AI learn like us?

Researchers at Cold Spring Harbor Laboratory designed a new way for AI algorithms to move and process data more efficiently, inspired by the human brain. This design allows individual AI neurons to receive feedback and adjust on the fly, processing data in real-time.

SourceCold Spring Harbor Laboratory·JournalFrontiers in Computational Neuroscience·DateJun 20, 2024

Simplicity versus adaptability: Understanding the balance between habitual and goal-directed behaviors

A new study on learning has provided insights into the balance between habitual and goal-directed behaviors, with implications for AI development. The research suggests that a balance between these two types of behavior is necessary for efficient and adaptable decision-making in AI systems.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalNature Communications·TypeComputational simulation/modeling·DateJun 16, 2024

How does oxygen depletion disrupt memory formation in the brain?

Scientists at Okinawa Institute of Science and Technology identify a positive glutamate-NO-glutamate feedback loop that blocks long-term potentiation and impairs learning and memory. The study suggests that this loop may explain memory loss in stroke patients and potentially offer a solution for treatment.

Training cognitive control in children does not change brain or behavior

A new study published in Nature Neuroscience found that training exercises designed to improve cognitive control in children do not lead to any brain changes or improvements in related behavioral measures. The study tested 235 children aged six to 13 and found that while they improved on specific tasks, these gains did not carry over i...

SourceUniversity College London·JournalNature Neuroscience·TypeRandomized controlled/clinical trial·DateJun 5, 2024

In the brain at rest, neurons rehearse future experience

A team of researchers from Rice University and the University of Michigan found that some neurons not only replay recent past experiences but also anticipate future experience during sleep. The discovery provides an unprecedented view of how individual neurons in the hippocampus stabilize and tune spatial representations during periods...

SourceRice University·JournalNature·TypeExperimental study·DateMay 30, 2024

Does it matter if your kids listen to you? When adolescents reject mom’s advice, it still helps them cope

A recent study published in ScienceDirect found that adolescents who receive cognitive reappraisal solutions from their mothers experience more adaptive coping strategies, whereas those who receive strategizing or help-seeking solutions do not. On the other hand, children who reject or respond ambiguously to their mother's cognitive re...

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Applied Developmental Psychology·TypeObservational study·DateMay 23, 2024

Ground-breaking accelerated discovery research unveils 21 novel materials for advanced organic solid-state laser technology: a global collaboration success story

Researchers from six teams in five labs worldwide used self-driving labs to discover 21 top-performing OSL gain candidates, accelerating the discovery process by months. The decentralized workflow enabled rapid replication of experimental findings and democratized the discovery process.

SourceUniversity of Toronto·JournalScience·DateMay 16, 2024