This is a modern textbook of cellular and molecular neurobiology for undergraduates and graduate students. The book is divided into three sections: electrical properties of neurons; intracellular communication; and behaviour and plasticity. It deals with synaptic function and plasticity, the reception and transduction of sensory stimuli, neural networks, and learning and memory, among other topics, and ion channels are discussed in detail. The book is aimed at advanced undergraduates and graduate students of neuroscience and medical students.