Tuesday, December 1, 2009

Seniors- Purple class

Answers here....


Mari, Melissa, Matt, Anna, Nick said...


1. When a baby is born their vision is 20/500, which is legally blind.
2. At 8 weeks it can differentiate between objects and colors.
3. At birth babies only see in black and white and shade of gray.
4. At 3 months it begins to develop stereoscopic vision.
5. The amount of light required for a 1 month old infant to be aware that light is present is 50 times higher than that of an adult.
6. At birth, the baby's eyes are already 65 percent of their adult size.
7. Unless eye ailments are treated early, the brain damage can be permanent.
8. Infants develop sharper visual acuity during the first two to three months of life.
9. At age six months significant advances in have taken place in the vision centers of the brain, and allow the baby to see more distinctly and move their eyes quicker and accurately.
10. By 4 months the baby starts to reach for objects, which is the beginning of eye/hand coordination.
11. Most infants can focus accurately by 2-3 months of age.
12. At 6 months visual acuity improves from 20/400 to 20/25 and color vision to be similar to that of an adult.
13. by 4 months of age, babys' visual systems have developed the ability to see full color.
14. By the 3rd to 5th month eyes are capable of working together and are capable of seeing depth perception.
15. By 3 to 5 months, the baby can distinguish their mother's face from a stranger's face.
16. Between 7 to 12 months a baby becomes better at judging distances and more accurate at grasping and throwing objects.
17. By the time the child reaches 6 months the child's sharpness of vision is developed to 20/20.
18. A child should have their first eye exam by age 3.
19. Babies born before 37 weeks of gestation are in greater risk of eye problems than full term babies.
20. The eye chart test can't tell if a child's eyes are healthy or if they can focus their eyes comfortable.
21. At birth, a baby will only be able to see about 8-15 inches away.
22.By 4 months of age, acuity has improved by a factor of 2, that is to 20/60 vision.
23. Reading is important for toddlers and preschoolers because they develop strong visualization skills as they "picture the story in their minds".
24. During the first 2 months of life, infants' eyes are not well coordinated; one eye may "wander"; or the eyes may appear to be crossed at times.
25. By 3 months of age, infants' eyes are usually very well coordinated.

Sense of Touch : Mark, Sarah, Sadie, Rachael, Christine said...

1) The skin is the largest organ and is used for touch. It has an area of 18 square feet and weights nine pounds.

2) the sense of touch develops before all other senses in the embryo

3) The skin is sensitive enough to react to stimulation at seven weeks of life.

4) At three months of pregnancy, if an embryo's eyelid is touch it squints, if the lip is touched it sucks.

5) Touch is a vital sense that affects the bond between the parent and infant.

6) The sensory neurons in the skin transmit their signals to the thalamus and to several parts of the cerebral cortex.

7) By week fourteen most of your baby's back and head is responsive to touch.

8) Fetuses as young as eleven weeks have been able to suck their thumbs to comfort themselves.

9) It continues to work longer after the other senses fail due to old age

10)Ones sense of touch allows you to feel the shape of an object, whether it is hot or cold, sharp or smooth, dangerous or safe.

11) In a monkey experiment, those monkeys that had no touch during their developemen toutside the womb showed stereotypical abnormalities due to lack of touch.

12) Affectionate touch lowers ones stress levels.

13) If you are expecting more than one baby, in the womb these embryos have been viewed reaching out to comfort one another.

14) Massage is one of the best ways to develop a baby's sense of touch.

15) It has become known that to increase a premature baby's development, the kangaroo carrying method is ideal. This method involves skin to skin contact between the mother and baby bond.

16) In one study premature babies that received touch had a 50% more daily weight gain than those who weren't touched.

17) Some infants feel more secure when swaddled tightly with their arms held close to their sides. This technique also clams upset babies.

18) If a baby is crying, massages or warm baths tend to help a baby calm down.

19) The parietal lobe allows an infant to receive touch sensations and spatial information which facilitates eye-hand coordination.

20)The rooting reflex shows a baby's reflex to touch. When the cheek is stroked, a baby will turn to the source.

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