In the neuro-cognitive context of Lev Vygotsky's socio-cultural theory of development, which of the following statements is most appropriate and true regarding the interrelationship between the Zone of Proximal Development (ZPD) and Scaffolding, their neurobiological nature, the socio-cognitive mediation among the dorsolateral prefrontal cortex (DLPFC), superior temporal sulcus (STS), and mirror neuron system (MNS), the inter-psychological to intra-psychological transition, executive control activation dynamics, Jerome Bruner's instructive scaffolding model, and their implications for modern primary inclusive classroom teaching, socio-culturally sensitive constructivist pedagogy, and the enhancement of higher-order cognitive regulation, collaborative problem-solving, and co-construction of knowledge in students?