Pre-linguistic Stage (0-12 months):During the pre-linguistic stage, babies communicate using sounds, gestures, and facial expressions. They begin to respond to voices and make cooing sounds. This ...

Dear Dr. Morris: I would like to know at what time in a baby's life does language begin. As a grandparent, I noticed that my 10-month-old granddaughter is already saying a few words. I wonder if this ...

The preoperational stage occurs roughly between the ages 2 and 7. While there are many important events that take place ...