That is where Helena Reina Calzado comes in. A clinical psychologist and neuropsychologist based in Prague, Helena works with English- and Spanish-speaking patients, providing neuropsychological assessment and cognitive intervention for children, adolescents, and adults experiencing difficulties with attention, memory, executive functioning, and other cognitive abilities. Sign Up for our Newsletter Prague news, events, tips, food & more“Neuropsychology studies the relationship between the brain and behaviour,” Helena explains. Neuropsychological assessment focuses on cognitive functioning. While awareness of mental health has grown significantly in recent years, Helena believes neuropsychology remains relatively unfamiliar to many people.