Many people experience moments of which certain words are "On the tip of their tongue." This is actually quite common and caused by the meaning of words, and the words themselves being stored in different areas of the brain.
Bilingual people are found to experience this twice as much, especially with the less dominant language.
If you want your kids to learn to talk in the best possible way, a new study suggests you should ditch the baby talk and speak to them in normal sentences. The findings suggest that videos that claim to teach toddlers, or flash cards for tots, may not be the best idea.