Cognition is perhaps the ultimate brain function - encompassing complex abilities like learning, memory and language. Join Kerri Smith as she talks to Trevor W. Robbins, volume editor of this year's Neuropsychopharmacology Reviews on cognition, about how the brain mediates our sense of time, the roles of neurochemicals like dopamine and glutamate in brain function and behavior, and how to translate basic findings into therapies for disorders like depression, schizophrenia and ADHD.