This single-authored textbook utilizes ample figures and tables throughout in order to facilitate retention of the core concepts presented. Divided into 5 sections, the first section includes chapters focused on basic cellular processes. Section 2 includes chapters focused on cell communication while Section 3 focuses on the neuronal microenvironment. The fourth section focuses on the organization and interactions of circuits in the cortex, thalamus, and brainstem, underlying behavioral states such as sleep, sensory processing, and motor control. The fifth section addresses mechanisms of pain and neural control of survival. And the final section covers concepts on mechanisms of emotion, social behavior, memory, language, and executive functions with emphasis on dementia and behavioral disorders.