Scientists have discovered how neuron connections in the brain contribute to decision-making, revealed through a study involving mice navigating a maze. This research, led by neuroscientists at Harvard Medical School, marks the first to integrate structural, functional, and behavioral analysis to underst...
Neuronal transmission frequently involves a process in which one neuron receives input from multiple other neurons, summing the excitatory and inhibitory input signals to produce an output signal, thus converting all that noisy input into an all-or-nothing binary “decision” to fire or not...
How people wake up and regain alertness in the hours after sleep is related to how they are sleeping, eating, and exercising. Here, in a prospective longitudinal study of 833 twins and genetically unrelated adults, we demonstrate that how effectively an
Your neurons create and send more messages than all the phones in the world.And although one neuron creates only a little electricity,all your neurons together can produce enough electricity to power a light bulb(灯泡).So exactly how fast does your brain work?(38) A Ne...
Children learn not to touch something hot the first time they get burned. They cry when they scrape their knees. But a child with congenital insensitivity to pain is different. Many parents discover their child has an insensitivity to pain when an accident happens that should make the child cr...
There is no obvious limit to the A.I.’s capabilities. “If you allow yourself to believe that an artificial neuron is like a biological neuron, then it’s like you’re training brains,” Sutskever told me. “They should do everything we can do.” I was initially skeptical of ...
[Music in] Neurons are among the most delicate of the body's cells. In infancy, we have more of them than we will ever have for the rest of our lives. Throughout life they die and are never replaced. We have so many that we are little affected by the gradual loss. But when a...
Using stem cells to advance understanding of neuron and synapse formation Neuroscientists have traditionally used rodent systems to study these synaptic connections in the brain. While that provides a suitable model, Chanda and his team were interested in testing synapse properties in a human cellular ...
Scientists can assemble small sections of human brain tissue made from stem cells in a special container.But in such a container, "neurons(神经元) don't grow to the size,to which a human neuron in an actual human brain would grow," said Sergiu Pasca,the study's lead aut...
The study—conducted in mice and led by neuroscientists at Harvard Medical School—is the first to combine structural, functional, and behavioral analyses to explore how neuron-to-neuron connections support decision-making. The findings arepublishedin the journalNature. "How the brain is organized to...