U
- UlegyriaType of cortical scarring deep in the sulci
- UNC (biology)Set of proteins
- Uncompetitive inhibitionType of enzyme inhibition
- UncusStructure in the brain
- Üner TanTurkish neuroscientist (1937–2022)
- Unihemispheric slow-wave sleepSleep in which half the brain remains alert
- Unipolar brush cellUnipolar brush cells (UBCs) are a class of excitatory glutamatergic interneuron found in t
- United States strikes on alleged drug traffickers during Operation Southern SpearCaribbean Sea and Pacific Ocean airstrikes
- Unthinkable: An Extraordinary Journey Through the World's Strangest Brains2018 nonfiction book by Helen Thomson
- Upper motor neuronNeurons in the brain that carry signals to lower motor neurons
- Urban legends about drugsContemporary folklore about drugs
- Urtė NeniškytėLithuanian neuroscientist (b. 1983)
- Use of artificial intelligence by the United States Department of DefenseThe United States Department of Defense has been analyzing and employing military applicat
- Usha GoswamiBritish Neuroscientist & scholar
- Uwe WindhorstGerman neuroscientist