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neural networks

·November 6, 2024·5 min read

How the Brain Reacts to Movie Scenes

By analyzing fMRI scans of people watching films, neuroscientists have created a comprehensive functional map of the brain, showing how it activates in response to complex scenes. This study identified 24 distinct networks that process aspects like faces, speech, or movement, and revealed how executive functions shift between easy and challenging scenes.

Featured Genetics Neuroscience

·October 31, 2024·6 min read

How Brain Proteins Shape Neural Connections

A new study links hundreds of brain proteins to differences in how brain regions communicate, revealing how microscale molecules can influence macroscale brain connectivity. Researchers studied brain samples and scans from elderly participants to map biochemical mechanisms affecting structural and functional connectivity in the brain. By integrating protein and RNA data with neuroimaging, they identified key proteins associated with communication between brain areas.

Featured Neuroscience

·October 8, 2024·3 min read

Pioneers in Neural Networks Win 2024 Nobel Prize in Physics

Professors John J. Hopfield and Geoffrey E. Hinton have been awarded the 2024 Nobel Prize in Physics for their groundbreaking work on artificial neural networks, which laid the foundation for modern machine learning. Hopfield invented a network that recalls saved images by adjusting its "energy" based on physics principles, while Hinton expanded this model to create the Boltzmann machine, enabling it to classify and generate complex patterns. Their work has catalyzed advancements in AI, shaping tools that learn from data and recognize patterns. These contributions have profoundly influenced both neuroscience and computational science.

Featured Neuroscience

·October 3, 2024·5 min read

Fruit Flies’ Small Neuron Network Defies Navigation Theories

Neuroscientists have uncovered how a small network of neurons in fruit flies accurately maintains an internal compass, defying previous theories that required large networks for precision. This new understanding reveals that small networks, when carefully connected, can perform complex tasks like tracking spatial orientation.

Featured Neuroscience

·August 25, 2024·7 min read

AI Models Complex Molecular States with Precision

Researchers developed a brain-inspired AI technique using neural networks to model the challenging quantum states of molecules, crucial for technologies like solar panels and photocatalysts. This new approach significantly improves accuracy, enabling better prediction of molecular behaviors during energy transitions. By enhancing our understanding of molecular excited states, this research could revolutionize material prototyping and chemical synthesis.

Featured Neuroscience Psychology

·July 17, 2024·5 min read

Mind-Bending: Psilocybin Reshapes Brain Networks for Weeks

A new study reveals that psilocybin, the active compound in magic mushrooms, temporarily disrupts brain networks involved in introspective thinking, like daydreaming and memory. These changes persist for weeks, potentially making the brain more flexible and improving mental health. The findings could pave the way for psilocybin-based therapies for depression and PTSD. The research underscores the importance of using these drugs under medical supervision.

Featured Neuroscience

·July 15, 2024·5 min read

AI Mimics Human Decision-Making for Better Accuracy

Researchers developed a neural network that mimics human decision-making by incorporating elements of uncertainty and evidence accumulation. This model, trained on handwritten digits, produces more human-like decisions compared to traditional neural networks.

This shows a golden brain on a motherboard.

Featured Neuroscience

·June 20, 2024·5 min read

Brain Inspired AI Learns Like Humans

Today's AI can read, talk, and analyze data but still has critical limitations. NeuroAI researchers designed a new AI model inspired by the human brain's efficiency. This model allows AI neurons to receive feedback and adjust in real time, enhancing learning and memory processes. The innovation could lead to a new generation of more efficient and accessible AI, bringing AI and neuroscience closer together.

Featured Neuroscience

·June 14, 2024·7 min read

AI-Powered Robot Navigates Home Using Language

esearchers have developed an AI system that guides robots using language-based instructions, improving navigation tasks without relying on extensive visual data. This method converts visual observations into text captions, allowing a language model to direct the robot's movements. While not outperforming vision-based systems, it excels in data-limited scenarios and combines well with visual inputs for better performance.

Featured Neuroscience

·June 11, 2024·5 min read

Virtual Rat with AI Brain Mimics Real Rodent Movement

Researchers created a virtual rat with an AI brain to study how real rats control movement. Using data from real rats, they trained the AI to mimic behaviors in a physics simulator. The virtual rat's neural activations closely matched those of real rats, offering new insights into brain function. This innovation could revolutionize neuroscience and improve robotic control systems.

Featured Neuroscience

·June 5, 2024·4 min read

AI Reasoning Flaws: The Limits of Popular Large Language Models

Popular AI platforms like ChatGPT give inconsistent answers to reasoning tests and don’t improve with added context. The research highlights the need to understand AI 'thinking' before using them for decision-making. Despite advances, AI models often make simple errors and fabricate information.

Featured Neuroscience

·June 4, 2024·5 min read

AI Decodes Dog Barks: Playful or Aggressive?

Researchers are using AI to interpret dog barks, distinguishing between playful and aggressive sounds. By adapting human speech models, they also identify dogs' age, breed, and sex. This approach could revolutionize understanding animal communication and improve animal care.

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neural networks

How the Brain Reacts to Movie Scenes

How Brain Proteins Shape Neural Connections

Pioneers in Neural Networks Win 2024 Nobel Prize in Physics

Fruit Flies’ Small Neuron Network Defies Navigation Theories

AI Models Complex Molecular States with Precision

Mind-Bending: Psilocybin Reshapes Brain Networks for Weeks

AI Mimics Human Decision-Making for Better Accuracy

Brain Inspired AI Learns Like Humans

AI-Powered Robot Navigates Home Using Language

Virtual Rat with AI Brain Mimics Real Rodent Movement

AI Reasoning Flaws: The Limits of Popular Large Language Models

AI Decodes Dog Barks: Playful or Aggressive?

Brain Prioritizes “Sound Offsets” During Hearing Repair

Glucose Levels Signal the Growth of Myelin

Why Your Brain “Dreams” Even When You’re Awake

Mapping the Brain’s Hidden Hub for Creative Thought

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