Once a young child starts to cry, it tends to continue to do so ...

[littleanan]

Once a young child starts to cry, it tends to continue to do so long after whatever the initial cause, sometimes frustrating the parent. This behavior is an example of
 
  perseveration.
  myelination.
  lateralization.
  transubstantiation.

Question 2

One way that maturation of the prefrontal cortex is demonstrated is in the game
 
  hide and seek.
  patty-cake.
  peek-a-boo.
  Simon Says.

[Kedrick2014]

Answer to Question 1

perseveration.

Answer to Question 2

Simon Says.

[littleanan]

Gracias!

[strudel15]

Excellent