Chapter 10.2
- Zygote: the fertilized egg; enters 2- weeks period of rapid cell division and develops into embryo
- Embryo: the developing human organism form 2 weeks through the 2nd month
- Fetus: the developing human organism from 9 weeks after conception to brith
Physical Growth: Define the following
Infancy: from birth to age 2
Childhood: from 2 year old to adolescents
Reflex: - an invoulunatry reaction or respons,
Some are essential to survival
Examples of reflexes:
- Grasping: infants clinging response to a touch on the palm of their hand
- Rooting:infants response in turning towards the source of touching anywhere around their mouth
- Morrow: flinching when falling backwards
- ==Babinski==: foot fanning.
Answer the following questions using the Ch. 10:2 PDF and/or the slideshow.
- What is the difference between gross motor development and fine motor development?
Gross- Babies progress in coordinating major muscle groups-ex. Arms and legs
Fine motor- Babies progress in coordinating small muscle groups-ex hands and face
- In your own words, explain what the visual cliff experiment demonstrates about perceptual development?
To check whether small children (Crawling recently)have depth perception, the baby is not scared of the cliffs; this shows fears of innateness in children of small ages.
Crawling for a month(eights and half )- fear of height is developed, cannot cross
Turtles can do it. \n Perception development- infants learn to make sense from sights, sounds, tastes etc
- Eyesight not fully developed until 5-10 weeks
- Prefer face patterns
- Depth perception is learned around 9 months (visual cliff study)