Researchers identify three populations of neurons in layer 6 of the cortex that contribute to alertness.
Researchers reveal how connections from around the mammalian brain stimulate two key cell types in the locus coeruleus to moderate arousal in two different ways.
Researchers investigate the biological aspects of yawning and consider why yawning is so contagious.
According to a new study, acetylcholine acts via a single neuron type to enable effective information processing.