The brain grows dramatically through the second year of life. Around
12 months, toddlers develop a new ability to remember experiences that occurred
a few hours or even a day earlier. Toddlers often demonstrate this new ability
by repeating a recalled experience, such as throwing a ball or stacking blocks,
at a later time. Changes in the brain allow a toddler between 18 and 24 months
of age to think in more complex ways, such as recalling events that occurred
days earlier. The older toddler begins playing pretend. For example, he or she may give a teddy
bear a "drink" from a cup or let the bear "talk" on the phone. These toddlers are also
beginning to understand symbols (for example, that words can stand for
Toddlers also begin to see connections between events. For example,
when they open a music box, they know they will hear a song. Or when they throw
a ball, they know it will bounce. They'll probably throw their dolls, food, and
many other objects to see if they'll bounce too.
It is possible that the main title of the report Tyrosine Hydroxylase Deficiency is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
At 18 months, toddlers have developed a greater understanding of the
world outside of home. Toddlers begin to develop a sense of self, the ability
to see themselves as separate from others. They can now imagine a threat and
often go through a period of clinging to parents and being fearful of
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
July 19, 2012
This information is not intended to replace the advice of a doctor.
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