1 - Infancy & Brain Development

Question 1

Which two senses are well developed in infancy?

Answer 1

smell and taste

Question 2

The DeCasper & Spence (1986) study was about….?

Answer 2

Hearing in infancy - using IBI (interburst intervals) and familiar stories (from in womb) vs unfamiliar stories to determine infants’ levels of hearing in the womb (mothers were 7.5-9 months pregnant) then babies tested at 56 hours old

Question 3

The DeCasper & Spence (1986) study found

Answer 3

Infants responded to reinforcement and wanted to hear the familiar (mothers) story.

Highlights that infants can hear prior to birth

Question 4

The Decasper & Fifer (1980) study was about….?

Answer 4

Babies less than 3 day old changing their IBI based on hearing mothers voice vs non-maternal voice

Question 5

The DeCasper & Fifer (1980) study found babies preferred whos voice when reading out a story

Answer 5

maternal/mothers voice

Question 6

vision at birth is _____ developed

Answer 6

not very/slower to develop than other senses

Question 7

newborns focus best when objects are 10cm, 30cm, or 1 metre away from them?

Answer 7

30cm

Question 8

How long does it take for visual acuity to become adult-like?
a) 1-3 months
b) 6-8 months
c) 9-12 moths

Answer 8

b) 6-8 months

Question 9

How does the timeline of colour perception go from month 1 to 2 to 4?

Answer 9

1 month - red and green cones in place
2 months - colour discrimination
4 months - categorical colour perception