Baby Brain Power How does the bar graph on page 5 expand on
information presented in the passage?
It shows exactly how many synapses a person's
brain has at birth
Speech, emotional regulation, movement, and
vision-all of these extraordinary abilities and
many more are possible thanks to the organ
that serves as the body's control center. When
one thinks of "brain power, it is the faces of
adult inventors, professors, and novelists that
Ekely come to mind. Remarkably the most
critical time period with respect to brain
development occurs relatively soon after an
individual is bom.
A newborn enters the world as a fairly helpless
creature, but her brain hos billions upon
bitions of specialized cells coiled neurons.
It gives more information than the passage by
showing that the number of synapses returns to
what it was at birth.
It provides specific information about how many
synaptic connections are formed in each year of a
person's life.
It gives information about synaptic connections
beyond the time period described in the passage.
2
3
4
5