Chapter 1 Introduction Learning outcomes to identify the definition of psycholinguistic study to identify the scope of psycholinguistic study to identify a brief historical records of psycholinguistics Psycholinguistics which will be discussed in this book is centred on topics in relation to the process of English as Foreign Language EFL learning Therefore the topics of the book will not cover all topics in the field of psycholinguistics as a whole The topics are discussed to follow the spectrum of the development of how children acquire language how adults learn second language how language is processed in the brain and finally the author will relate all those things into the psychological aspect of learning foreign language 1 1 DEFINITION OF PSYCOLINGUISTICS At glance everyone can predict easily form its name implied in the word psycholinguistics that it is a combination of two big sciences i e linguistics and psychology This exactly means the psychological aspect of language study This 1Chapter 1 Introduction Learning outcomes: to identify the definition of psycholinguistic study to identify the scope of psycholinguistic study to identify a brief historical records of psycholinguistics Psycholinguistics which will be discussed in this book is centred on topics in relation to the process of English as Foreign Language (EFL) learning. ...Therefore, the topics of the book will not cover all topics in the field of psycholinguistics as a whole. The topics are discussed to follow the spectrum of the development of how children acquire language, how adults learn second language, how language is processed in the brain, and finally the author will relate all those things into the psychological aspect of learning foreign language. 1.1 DEFINITION OF PSYCOLINGUISTICS At glance, everyone can predict easily form its name implied in the word psycholinguistics, that it is a combination of two big sciences, i.e., linguistics and psychology. This exactly means the psychological aspect of language study. This 1