All critical periods in human language development have completely ended by________ years

When presented with tasks like the pendulum problem, in contrast to adolescents, children in the ______________ stage are not good at systematically testing all of the factors; they tend to report whatever answer seems to be correct after conducting

only a few tests. A) sensorimotor B) preoperational C) concrete operational D) formal operational

Which of the following allows the axon to transmit information more rapidly?

a. myelin c. synaptic pruning b. synapse d. plasticity