Perception timeline

Question 1

Vision is adequate for

locomotion through the environment by

Answer 1

6 months

Question 2

Acuity in the first month, age 5, and age 10

Answer 2

1st month- 20/400 (5%)
5- 20/30
10- 20/20

Question 3

Infants perceive depth by

Answer 3

6 months

Question 4

Depth perception is refined to adultlike

levels in

Answer 4

adolescence

Question 5

Infants prefer faces by ____ and familiar faces by ____

Answer 5

2 mths; 3 mths

Question 6

Focus and color vision by

Answer 6

2 mths

Question 7

Acuity, scanning and tracking by

Answer 7

6 mths

Question 8

Depth perception by

Answer 8

6-7 mths

Question 9

Steps in Perception

Answer 9

Birth to 1 month- Sensitivity to motion cues
2 to 4 months - Sensitivity to binocular cues
4 to 12 months - Sensitivity to pictorial cues; wariness of heights

Question 10

Steps in Pattern Perception

Answer 10

3 weeks- Poor contrast sensitivity; Prefer large simple patterns
2 months- Can detect fine-grained detail; Prefer complex patterns
4 months- Can detect patterns even if boundaries are not really present
12 months- Can detect objects if two-thirds of drawing is missing

Question 11

Steps in Face Perception

Answer 11

Birth to 1 month- Prefer simple, facelike pattern
2 to 4 months- Prefer complex facial pattern to other complex patterns; Can distinguish strange form familiar faces; Prefer mother’s face over stranger
5 to 12 months- Can perceive emotional expression on faces

Question 12

Shape constancy develops by

Answer 12

12 weeks

Question 13

Size constancy begins at about

Answer 13

5 and 1/2 years

Question 14

Postion constancy develops at about ___ and is fully developed at about ____

Answer 14

6 months; 10-15 months

Question 15

Figure-Ground develops in ___, slowly improves until ___ and matures ___

Answer 15

spurts; 4-6 years; 8-12 years

Question 16

Audition is adult like by

Answer 16

6 mths

Question 17

The vestibular apparatus is anatomically complete at approximately

Answer 17

9 to 12 weeks of prenatal life

Question 18

Sight and sound coordination by

Answer 18

4 mths

Question 19

Sight and touch coordination by

Answer 19

9 months

Question 20

Direction of motion is not wall perceived until

Answer 20

8 weeks

Question 21

At ___ child can handle objects purposely; at ___ can explore major features of objects

Answer 21

4 years; 5 years

Question 22

Laterality develops at about

Answer 22

4-5 years

Question 23

Hand dominance develops by

Answer 23

4 years

Question 24

Fisting and longer grasps before ___; Unimanual reaching after ___; Unimanual manipulation by ____; and bimanual manipulation within____

Answer 24

3 mo; 3 mo; 7 mo; 1 mo of emergence of unimanual manipulation

Question 25

Ability to discriminate between similar sounds improves/develops until

Answer 25

13 years

Question 26

Adult level vision between ___, Kinesthetic ____, and Auditory ____

Answer 26

9-12; 8; 10

Question 27

Directionality improvements continue through age

Answer 27

12