Sīstim-i kud'guẕārī-yi harikāt-i chihrah: Persian 1401

To date, emotional development has been one of the largest and most fruitful areas of psychological research. For decades, researchers have been fascinated by how facial expressions are responded to, recognized, and interpreted. Faces are a very special category of stimuli for us humans. Understanding human facial expressions continues to be an important topic in psychological studies because of their importance to our everyday social interactions. Emotional signs may be verbal or non-verbal; If the verbal message is ambiguous, non-verbal behavior - such as facial expressions - may clarify the meaning. Facial expressions are one of the most important ways by which humans convey their emotions. Recognizing facial expressions means recognizing human emotions based on facial expressions. Recognition of facial expressions in humans follows the research framework of pattern recognition. This framework includes three stages of facial recognition; extraction of facial features; Classification of facial expressions. In this book, Professor Paul Ekman, along with Wallace V. Friesen and Joseph C. Hager, developed a coding system for facial movements, which is the most comprehensive system in this field. In this way, movements have been divided into movement units. Movement units are the smallest facial movements that can be visually distinguished and cannot be divided into smaller components. This book contains two volumes along with an educational CD. And the second volume under the title guide for Researchers including scientific basics And it is a research for people who are interested in using this system in their research studies.