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Conception
Pre-natal
- wk5 - 8 Embryo : Differation : forms heart, brain, spinal cord
- wk8 : fetus
- 1st trimester : wk1 - 12
- 2nd trimester : wk13 - 27
- 3rd trimester : wk28-40 -
Period: to
Philip Z.
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Birth
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1 month
- responds to sound
- becomes quiet when picked up
- vocalizes ocassionally
- vision, hearing, smellling, touch, sucking, gasping, and taste
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6 months
- lifts cup and bangs it
- smiles at mirror image
- reachs for small objects
- babbling
-
12 months
- walks alone
- says several words
-
18 months
- speech has become well developed
- reflexes and "instictive" behaviors
- climbs stairs and says many words
-
2 year old
- the ability to make mental images
- sensorimotor stage
- internal mental representations of objects
- liberates the child from the present and his or hers immediate surroundings
- laguage begins to appear
-
3 - 7 years old
- Preoperational Stage
- sense of self as distinctive from other people and objects
- simple problem solving using mental representation
- cannot solve problems requiring logical thought
- Ego