Response of dozens of pain-promotion centers is dampened by single OFF switch.
Researchers report appetite signals cross a single synapse in under 100 milliseconds, relaying information from the gut to the brain much quicker than previously thought.
A new study reveals a single neuron is capable of encoding information from two different sounds by switching between signals associated with one sound to that of the other.
Animals had energy-hungry brains long before we did. For years, scientists assumed that humans devote a larger share of their daily calories to their brains than other animals. Although the human brain makes up only 2 percent of body weight, it consumes more than 25 percent of our baseline energy budget.