Perceptual Development

Question 1

Techniques to study perceptual abilities in infancy

Describe the preference technique

Answer 1

Baby shown 2 pictures of 2 different objects

Recorded how long baby looks at each one

If baby looks at one the longer it reveals difference between 2 objects

Question 2

Techniques to study perceptual abilities in infancy

Describe Habituation

Answer 2

Baby shown same stimuli over and over until habituation

Then shown different stimuli and see if there is a renewed interest

Question 3

Techniques to study perceptual abilities in infancy

Describe high- amplitude sucking

Answer 3

Rate of sucking on a pacifier controls presentation of stimuli

Shows preference and discrimination

Question 4

Techniques to study perceptual abilities in infancy

Describe Operant conditioning

Answer 4

Probability of behaviour increases or decreases on the consequence of what that behaviour produces

Question 5

Perceptual abilities

At what age can children see as well as adults?

Answer 5

2

Question 6

How does eye tracking develop in a newborn?

Answer 6

Rapidly.

Close to an adult after 10 weeks

Question 7

At what month does depth percentage become 90% as good as an adult?

Answer 7

6-7 months

Question 8

What sounds do babies prefer when born?

Answer 8

Sounds heard in 3rd trimester

Question 9

At what month can sound patterns be heard?

Answer 9

5 months

Question 10

Describe the process of sensitivity to phonemes

Answer 10

Sensitive at 6 months

Disappears after 1 year

Question 11

How long before baby can discriminate mum by smell?

Answer 11

1 week

Question 12

What sense is best developed in a newborn?

Answer 12

Touch

Baby very sensible to touch and pain

Question 13

How long before intermodal perception ( integration of 2 or more senses)

Answer 13

Develops late in first year