Reflexes
Vocabulary
At What Age
Vocabulary Again
What is it?
100

Sometimes referred to as the "startle reflex". It occurs when a newborn is startled by a noise or sudden movement.

Moro Reflex

100

An automatic body response to a stimulus controlled by the lower-brain centers that govern involuntary processes such as heart rate and breathing. 

Reflex

100

Object Permanence

6 to 9 months

100

A shared system of meaning that includes the values, beliefs, and practices of a particular group.

Culture

100

FTT

Failure to Thrive

200

When you stroke the infant's palm, the hand will close tightly.

Palmar Grasp Reflex

200

The order in which a child is able to perform new movements.

Motor sequence

200

Infants at this age start to show judgment.

3 to 6 months

200

When the infant attends to the same event or objects as the caregiver.

Joint attention

200

SBS

Shaken Baby Syndrome

300

This reflex causes infants to move their heads toward anything that brushes their faces.

Rooting Reflex

300

Intentional signals a baby uses to influence other people in their environment.

Preverbal gestures

300

Children enjoy playing pat-a-cake and peekaboo games.

12 to 18 months

300

An attachment behavior that happens when a child protests because a familiar caregiver is leaving.

Separation anxiety

300

SIDS

Sudden Infant Death Syndrome

400

With this reflex, when you stroke the sole of the foot on the outside from the heal to toe, the toes will fan out and curl and the foot twists in.  

Babinski Reflex

400

The understanding that objects continue to exist even if the infant cannot see them.

Object permanence

400

Pretending starts to be part of a child's world at this stage.

18 to 24 months

400

Refers to the quality and intensity of a person's emotional reactions.

Temperament

400

"doggie bark"

telegraphic speech (two word phrases)

500
When an infant is held so the feet are flat on a surface, the infant will lift one foot after the other in a stepping motion.  

Stepping or Walking Reflex

500

A single word and gesture combined to express a complete thought.

Holophrase

500

During this time, infants do not distinguish between themselves and the objects around them.

Birth to 3 months

500

Watching another person's behavior and then acting out that behavior later.  

Deferred Imitation

500

AAP

American Academy of Pediatrics