ages Flashcards
What age can children speak as well as uni students?
5
speech - what happens between age 5 and puberty?
Children lose the ability to learn a language
How old do you have to be to start learning a language and score the same as a native on a grammar test?
3-7
What age do babies lose the ability to distinguish between r/l sounds
10-12 months
How old are infants when they start making sounds?
6-8 wEKS
How old are infants when they start babling?
6-10 months
how old are infants that can pick their name out of background conversation?
5 months
Infants can recognise and remember words at
7-8 months
What age are infants associating highly familiar words?
6 months
first words
10-15 months
vocab spurt
19 months
first sentences
24 months
what age do children start using more than 1 clause in a sentence
2.5 years
How old for optical expansion?
1 month
How old for stereopsis?
4 months
monocular depth cues
6/7 months
how long do infants treat objects as pictures?
19 months
When does infant hearing match adults?
5-6 years
when does manual exploration take over oral exploration?
4 months
how old are infants that associate facial expression with emotion in voices?
5 months
how old do babies reach adult like acuity?
almost 8 months
actually 6 years
what vision do newborns have?
20/120
when does limited colour vision stop?
2-3 months
how much exposure do they need before they recognise mums face?
12 cumulative hours
How old are infants when they stop distinguishing monkey faces so well?
9 months
How old when show preference for primary caregivers face?
3 months
scanning and tracking
2/3 months scan perimeter
older look at internal features too
below 2 months can’t track objects and even then only slow moving objects
when do they show guilt?
2
altruistic behaviour
- infants react to stress form others and can’t distinguish it from their own
- from 2 yrs can distinguish but still react egotistically
- 2-3 yrs pro social behaviour increases but is not regular
- prosocial increases into adolescence
How old are children that display relational aggression
3-5 years
How old are children that display physical aggression
18 months - 2 years but decreases as verbal skills increase