This book investigates the fundamental role of mental imagery in human cognition, arguing that it is not merely a peripheral phenomenon but a central component of perception, emotion, and action. Bence Nanay, a philosopher of mind, synthesizes findings from philosophy, cognitive psychology, and neuroscience to construct a unified framework. He posits that mental imagery is active in most perceptual episodes and is essential for understanding how humans execute actions and form desires.

Experts identify this work as a significant contribution to the philosophy of perception, noting the author's ability to bridge disparate academic fields. Readers frequently highlight the clarity of the prose despite the technical complexity of the subject matter.