Toddler

0-3 Months

Regulation: The infant self-regulates physiological behaviors – crying, kicking, swallowing, sucking, burping, smiling, turning, etc.

3-4 Months

Coordination: The infant coordinates sight and sounds in the immediate environment.
The infant organizes visual, auditory, tactile and sensory information.

4-10 Months

Apprehension: The infant grasps, reaches and voluntarily releases objects.

7-12 Months

Imitation: The infant acts and reacts; the infant repeats pleasurable activity; the child initiates. The infant delays imitation for a short period of time.

9-18 Months

Spatial Relationship: The infant achieves spatial reasoning, locating objects in space perceiving visual yields, achieves depth and peripheral vision; scans in vertical and horizontal planes.
Cause & Effect Relationships: The infant causes a change to occur and acts on the outcome.
Means/Ends Relationships: The infant apprehends a tool and uses it to cause another behavior to occur.
Object Permanence: The infant come to know the objects out of sight are still there; the infant perceives hidden objects are “findable,” not gone forever.
Temporal Relationships: The infant achieves temporal reasoning past the present.