I believe it is true but i could be wrong
<span>These senses may be exhibited as early as around the 6th month. When shown two shapes, one of which was considered the "helper" and one a "hinderer," the infant showed a willingness to spend more time playing with the "helper" shape than the "hinderer."</span>
If this question is asking what I think it's asking, the answer is Puberty or Pubescence.