The next steps in the potty training process require your child to have the capacity for symbolic thought, planning or problem solving and memory. (pottytrainingconcepts.com)
* A South African cave yields 75,000 - year - old pieces of shell - bead jewelry, the earliest evidence of symbolic thinking by humans. (discovermagazine.com)
Along with speech and long - term memory, children develop what is known as symbolic thinking. (care.com)