Hacker News with Generative AI: Brain

Consciousness Might Hide in Our Brain's Electric Fields (scientificamerican.com)
A mysterious electromagnetic mechanism may be more important than the firing of neurons in our brain to explain our awareness

Consciousness, Neuroscience, Brain, Electromagnetism

39 points by thomasjudge 22 hours ago | 32 comments

Handwriting but not typewriting leads to widespread connectivity in brain (openread.academy)

Neuroscience, Brain, Handwriting, Cognitive Science

209 points by cryptozeus 2 days ago | 121 comments

Spike Protein Lingers in Brain, Fuels Long Covid (neurosciencenews.com)
A new study reveals that the SARS-CoV-2 spike protein remains in brain-protective tissues and skull bone marrow for years after infection, potentially driving long COVID’s neurological symptoms.

Long COVID, Neuroscience, SARS-CoV-2, Health, Brain

9 points by amichail 4 days ago | 0 comments

Tweaking non-neural brain cells can cause memories to fade (arstechnica.com)
Tweaking non-neural brain cells can cause memories to fade

Neuroscience, Memory, Brain, Biology, Research

31 points by hn_acker 9 days ago | 2 comments

'Brain stars' store our memories like a microscopic filing cabinet (newatlas.com)
Fascinating new findings into how clusters of 'brain stars' retain memories has changed what we know about how they're held in our minds.

Neuroscience, Memory, Brain, Research, Science

29 points by wjSgoWPm5bWAhXB 22 days ago | 1 comments

The brain summons deep sleep for healing from life-threatening injury (nature.com)
Immune cells rush to the brain and promote deep sleep after a heart attack, according to a new study1 involving both mice and humans. This heavy slumber helps recovery by easing inflammation in the heart, the study found.

Science, Health, Sleep, Brain

10 points by gnabgib 34 days ago | 0 comments

High-resolution postmortem human brain MRI at 7 tesla (pulkit-khandelwal.github.io)
Ex vivo MRI of the brain provides remarkable advantages over in vivo MRI for visualizing and characterizing detailed neuroanatomy, and helps to link microscale histology studies with morphometric measurements.

Medical Imaging, Neuroscience, MRI, Brain, Research

122 points by pulks 39 days ago | 17 comments

Oligodendroglial fatty acid metabolism as a CNS energy reserve (nature.com)
Brain function requires a constant supply of glucose. However, the brain has no known energy stores, except for glycogen granules in astrocytes. In the present study, we report that continuous oligodendroglial lipid metabolism provides an energy reserve in white matter tracts.

Neuroscience, Brain, Metabolism, Energy, Biology

4 points by PaulHoule 47 days ago | 0 comments

Human brain changes after first psilocybin use (biorxiv.org)
Psychedelics have robust effects on acute brain function and long-term behavior but whether they also cause enduring functional and anatomical brain changes is unknown.

Psychedelics, Neuroscience, Brain, Research

54 points by XzetaU8 49 days ago | 27 comments

Brain rejuvenation breakthrough: Limiting glucose could spark new neuron growth (studyfinds.org)
STANFORD, Calif. — Could the secret to maintaining a youthful, sharp mind be as simple as watching our sugar intake? A new study from Stanford Medicine suggests that glucose plays a surprising role in the aging brain’s ability to produce new neurons.

Neuroscience, Aging, Health, Glucose, Brain

28 points by gnabgib 61 days ago | 16 comments

What excessive screen time does to the adult brain (longevity.stanford.edu)
Binge-watching television, watching YouTube videos for hours, or scrolling on your phone every morning may seem harmless, but research shows that too much screen time may be detrimental to your health.

Health, Brain, Technology, Screen Time

270 points by yamrzou 61 days ago | 191 comments

Microplastics in the olfactory bulb of the human brain (jamanetwork.com)
This case series provides evidence of MPs found in the human olfactory bulb, suggesting a potential pathway for the translocation of MPs to the brain.

Science, Health, Microplastics, Brain

170 points by hindsightbias 76 days ago | 176 comments

Part of brain network much bigger in people with depression, scientists find (theguardian.com)

Neuroscience, Mental Health, Depression, Brain

7 points by amichail 89 days ago | 1 comments

Depression has a consistent mark in the brain even when symptoms are absent (nature.com)
The symptoms of depression might come and go, but new evidence suggests that the pattern of brain wiring behind it remains the same for life.

Depression, Neuroscience, Brain, Mental Health, Research

31 points by carabiner 90 days ago | 6 comments

Sleep on it: How the brain processes many experiences, even when 'offline' (news.yale.edu)

Sleep, Neuroscience, Brain, Memory, Cognition

434 points by PaulHoule 92 days ago | 137 comments

Finding love: Study reveals where love lives in the brain (medicalxpress.com)

Love, Neuroscience, Brain, Relationships, Research

9 points by XzetaU8 99 days ago | 3 comments

The brain simulates actions and their consequences during REM sleep (biorxiv.org)

Brain, Sleep, Neuroscience, Biology, Research

196 points by XzetaU8 107 days ago | 63 comments

Brain found to store three copies of every memory (newatlas.com)