This book promotes an understanding of psycholinguistics based on research efforts at the frontiers with state-of-the-art approaches and novel real-world applications. The book addresses issues on how experimental psycholinguistics are applied to educational science, gives an overview on using psycholinguistic methods to validate linguistic theories, facilitates the optimization of language testing, expands the understanding of key concepts in mental health, and describes the association between psycholinguistics and the interpersonal, cultural, and affective nature of human communication.