Imagine a row of dominos stacked closely together: when a neuron fires, it's like knocking down the first domino in a long chain. This process repeats from neuron to neuron, until the nerve signals reach their destination. These firings happen at incredibly fast speeds. How Myelination Affects...
a. positive... Question: When a neuron is inactive, more of which of the following exist OUTSIDE the neuron? a. positive ions b. negative ions c. myelin sheaths d. neuropeptides Neurons: Neurons usually are "inactive" in...
Mother mice rush to retrieve their pups when a particular brain circuit is stimulated. Credit: Kim Taylor/NPLMother mice instinctively retrieve pups that wander from the nest. Now, that behaviour has been pinpointed to a specific brain circuit. Access options Access Nature and 54 other Nature ...
Used of a neuron. 5. To become yellowed or brown before reaching maturity, as grain.Phrasal Verbs: fire away Informal To start to talk or ask questions. fire off 1. To utter or ask rapidly. 2. To write and send (a letter, for example) in haste. fire up 1. To cause to be ...
What we do know is that the ultimate limit to information processing in a machine substrate lies far outside the limits in biological tissue. This comes down to physics. A biological neuron fires, maybe, at 200 hertz, 200 times a second. But even a present-day transistor operates at the ...