Learn about brain health and nootropics to boost brain function
Researchers identify mathematical rule behind the distribution of neurons in our brains
Neuron densities in cortical areas in the mammalian brain follow a consistent distribution pattern. Credit: Morales-Gregorio Human Brain Project (HBP) researchers from Forschungszentrum Jülich and the University of Cologne (Germany) have uncovered how neuron densities are distributed across and within cortical areas in the…
Relationship between Brain Activity and Behavior Mapped at Level of Each C. elegans Neuron
C. elegans. [Arturo Agostino] To understand the full relationship between brain activity and behavior, scientists need a way to map this relationship for all of the neurons across a whole brain, something that has so far remained an unsolved challenge. Researchers at the Picower…
Drinking coffee can help reduce your risk of depression, according to studies
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‘Hyper-synchronized’ brain waves may explain why different psychedelics have similar effects, rat study reveals
Psychedelics can vary by the type of receptor they target in the brain, but how does this translate to the shared hallucinogenic experiences users have? (Image credit: Pär Halje) The psychedelics LSD and ketamine work differently but induce some of the same trippy effects….
Your Pupils Can Reveal a Hidden Signal About Your Brain Function
The way your pupils react to light exercise could reveal whether you’re getting one of the key benefits of movement – the cognitive boost linked to improved mood and enhanced executive function. Researchers in Japan monitored pupil size in 24 participants during 10 minutes…
Memory Expert Reveals Why Reading Books Can Improve Your Brain Health
Whether you’re into biographies or bodice-ripping romances, there’s nothing like a good book. Since the first novel was published in Japan 1,000 years ago, we’ve been transported by the power of words, but reading doesn’t just boost your imagination—it can also strengthen your brain….
A new mechanism encouraging the brain to self-repair after an ischemic stroke
The neurons around an injured brain region will play major roles in promoting functional recovery through nervous system development, synapse organization, and remyelination; however, the molecular mechanisms triggering such a broad range of neural repair after brain injury remained unknown. Our study demonstrated that…
Brain waves driven more by remembering an event than the event itself
A study has found that remembering an event drives brainwave production more than engaging in the event does A new study has found that contrary to popular scientific belief, remembering an event drives the production of memory-related brain waves more than actually engaging in…
New study links brain waves directly to memory
Neurons produce rhythmic patterns of electrical activity in the brain. One of the unsettled questions in the field of neuroscience is what primarily drives these rhythmic signals, called oscillations. University of Arizona researchers have found that simply remembering events can trigger them, even more…
Living a Varied Life Boosts Brain Connectivity in Mice
The brains in mice benefit from an active and varied lifestyle by forming enhanced neural connections. Researchers in Germany compared the brain activity of mice raised in different environments and found those raised in an ‘enriched’ environment had more activity in their hippocampus ,…
The Utility of Memories Dictates Their Place in Our Brain
Summary: Researchers propose a fresh perspective on systems consolidation, the process by which certain memories are moved from the hippocampus to the neocortex for long-term storage. Their theory, backed by a mathematical neural network model, posits that the consolidation of memories depends on their…
Century-Old Paradigm Overturned – Brain Shape Matters More Than Neural Connectivity
Researchers have discovered that the shape of a person’s brain significantly impacts thought, feeling, and behavior, overturning the prevailing emphasis on complex neuronal connectivity. Utilizing MRI scans and the principle of eigenmodes, they found that brain function is closely linked to its geometric properties,…
New theory better explains how the brain stores memories
Neural network model of systems consolidation. Credit: Nature Neuroscience (2023). DOI: 10.1038/s41593-023-01382-9 How useful a memory is for future situations determines where it resides in the brain, according to a new theory proposed by researchers at HHMI’s Janelia Research Campus and collaborators at UCL….
The Three Channels of Gut-Brain Communication
Key points Gut microbes communicate with the brain using three different channels. The nervous system is the fastest of the three. The immune system is potent, but lacks subtlety. Hormones are slow, but long acting. Nature is everywhere gothic, not classic. She forms a…
A varied life boosts the brain’s functional networks
That experiences leave their trace in the connectivity of the brain has been known for a while, but a pioneering study by researchers at the German Center for Neurodegenerative Diseases (DZNE) and TUD Dresden University of Technology now shows how massive these effects really…
Brain networks encoding memory come together via electric fields, study finds
A) Neural field model and connections. Neural fields provided a quantitative way to describe each ensemble’s patterns of activity across simultaneously recorded sites. The same model can describe different ensembles. Each electrode occupies a position on a cortical manifold (line) Δ parameterized by the…
Old Memories Can Prime Brains to Make New Ones
Memories are shadows of the past but also flashlights for the future. Our recollections guide us through the world, tune our attention, and shape what we learn later in life. Human and animal studies have shown that memories can alter our perceptions of future…
Synaptic Secrets Revealed: Scientists Use AI To Watch Brain Connections Change
Scientists from Johns Hopkins University have harnessed artificial intelligence to visualize and track synaptic changes in live animals, aiming to enhance our understanding of brain connectivity changes in humans due to learning, aging, injury, and illness. By using machine learning, they were able to…
When computer vision works more like a brain, it sees more like people do
IT neural similarity correlates with improved white box adversarial robustness. A) held out animal and image IT neural similarity is plotted against white box adversarial accuracy (PGD L∞ ϵ = 1/1020) on the HVM image set measured across multiple training time points for all…
Battle of the Dendrites: How Neurons Compete To Cut Connections
Researchers at Kyushu University discovered the chemical pathways that regulate synaptic pruning, a crucial phase in brain development where excessive and incorrect neuronal connections are eliminated. The team found that in the presence of neurotransmitter signaling, the receiving dendrite is protected while other dendrites…