Neuronal excitability is a research area that focuses on the ability of neurons to generate electrical signals in response to various stimuli. Neurons are highly excitable cells that can rapidly transmit information through the brain and nervous system. Research in this area typically involves studying the mechanisms underlying neuronal excitability, including the roles of ion channels, neurotransmitters, and other factors that regulate the firing of action potentials in neurons. Understanding neuronal excitability is crucial for understanding how the brain processes information and how disruptions in neuronal excitability can lead to neurological disorders such as epilepsy and Alzheimer's disease.