Intellectual Development of Infants

When does pruning occur?

• It occurs when a message is sent from an axon to the dendrite of another neuron.

• It occurs when axons are covered with myelin to make them work faster.

• It occurs when neural pathways are not used and therefore fade away.

• It occurs when the cortex grows quickly during a baby's first year.

Caregivers encourage learning in many ways. Which is not a way?

• have the child watch educational videos

• give the child time and attention

• learn about child development

• read to the child

How are toys that are appropriate for a one-year-old different from toys that are appropriate for a seven-month-old?

___________ is the part of the brain that controls breathing and blood pressure.

• thalamus

• cerebellum

• cerebrum

• brain stem

Most babies learn _________ around 11-12 months.

• to say "Mama" and "Dada"

• to distinguish their mothers' and fathers' faces

• to tell a smile from a frown

• to make eye contact

Why is it important that infants receive stimulation from a wide variety of sources?

The chemical that acts as a messenger between neurons is _____

• dendrite

• neurotransmitter

• synapse

• axon