sentence: External speech is the process of turning thought into words.
sentences_before: Inner speech is not comparable in form to external speech.
sentences_after: Inner speech, for example, contains predicates only. Subjects are superfluous. Words are also used much more economically. One word in inner speech would take many words to express it in external speech.
concept_name: external speech
headings: Lev Vygotsky 'Thought and Language'
categories: Psychologists Russian scientists