Regarding the neuro-cognitive principles of 'Language Development and Thought', the neuro-cognitive nature of 'Inner Speech' and 'Social Speech' under the 'Sociocultural Theory' proposed by Lev Vygotsky, the activation dynamics of language processing, phonological decoding, and semantic integration between 'Broca's Area', 'Wernicke's Area', and the 'Arcuate Fasciculus' of the brain, along with the interrelationships of 'Egocentric Speech' proposed by Jean Piaget, and their implications for modern primary inclusive classroom teaching, collaborative learning, and the enhancement of higher-order cognitive control, self-directed behavior, and conceptual internalization in students: which of the following statements is most appropriate and true?

According to Lev Vygotsky's theory, language and thought are initially independent, but around the age of two, they merge, giving birth to 'inner speech' (which is an internal version of external speech). This promotes self-directed behavior, executive functions, and cognitive control in children. Neuro-cognitively, Broca's area (speech production), Wernicke's area (language comprehension), and the arcuate fasciculus (neural pathway connecting the two) play crucial roles in processing language and thought. Piaget considered children's early speech to be 'egocentric', whereas Vygotsky viewed it as socially driven and eventually transforming into 'inner speech'. Option B accurately describes both theories and their neuro-biological and inclusive pedagogical implications.