Developmental age
can distinguish between pa and ba
1 month
look at external details of the face
1 month
ocular dominance column appear
1 month
appreciate height for covering event
1 year
expect rational behaviour
1 year
girls show more empathy than boys
1 year
know that people's action based on intention and goal
1 year
can move themselves from dissterning activities and move away
1-2 years
2:3 ratio
10 months
Fetus produce testosterone and androgens
10 week post conception
girl growth spurt
10 years
stop being able to discriminate other languages
10-12 months
action pharsing
11 months
relax gender period to female expectations
12 years
boys growth spurt
12.5 years
false belief
13 months
empathy is evident can show compassion when experimenter is hurt
14 months
show early helping signs
14 months
understand that animals as a category drink
14 months
understand what someone will do based on knowledge on their desire and knowledge
15 months
can for expectations about what girls and guys play with
18 months
have ordinal relationships
18 months
percieve intention even when actor fail and do it right
18 months
Infant show distinct facial expression
2 months
make cooing noises
2 months
ocular dominance column segregate
2 months
shape and size constancy
2 months
spends time looking at internal details of the face
2 months
can categorize and label their own sex
2 years
use shape of the room but not colour to encode location
2 years
produce language in native language
2-3 years
responsive to violations in occlusion, containment, covering, event even if variable they respond to differs
2.5 months
use categorical membership but not perceptual similarity
2.5 years
Caregiver can categorize between cries
3 months
ability to distiguish same race faces compared to other race faces
3 months
can tell the difference between gender
3 months
distinguish between animate and inanimate objects based on motion
3 months
expect cohesion
3 months
girls participate in more face to face conversation than boys
3 months
understand object has to be in contact with another so it don't fall
3 months
can mask disappointment
3 years
can recognize cheaters
3 years
differentiate between moral and social conventions
3 years
help more individuals if they previously shared with them
3 years
inference at basic level
3 years
people who learned language before this age used left hemisphere for processing
3 years
suck at appearance reality task
3 years
use gender terms
3 years
dishabituated from dogs when saw multiple cats
3-4 months
can distinguish between mammals and non mammals
3.5 months
height is important in occlusion event
3.5 months
surprised if object disappeared while unseen (object permanence)
3.5 months
sensitive period for westermarack effect
30 months
colour constancy
4 months
expect continuity
4 months
wairness
4 months
belief about the kind of traits that will be inherited
4 years
different way of thinking about natural kind and artifacts
4 years
distinguish between dead and sleeping animals
4 years
evidence of theory of mind
4 years
expect living things but not artifacts to grow
4 years
most sexist
4 years
sex difference in visual spatial
4 years
spend 3x more time with same sex playmates
4 years
learn second language at this time use ore right hemisphere
4-6 years
Manually search for a previously seen object in a dark room
5 months
can add with puppets
5 months
can distinguish their own name
5 months
have a sense of number 1,2,3
5 months
have preference between mean and helpful characters
5 months
understand that an object has to be in contact with the surface so it dont fall
5 months
use location over shape and colour to identify an object
5 months
better at functional fixedness
5 years
understand appearance reality task
5 years
share attention
6 & 9 months
1:2 ratio
6 months
contact is needed for objects but not for people for it to move
6 months
infants use landmarks to remember objects if close
6 months
root of empathy emerge understand other baby distress
6 months
Social smile
6 weeks
spend 11x more with same sex playmate
6 years
vocab of 10 000 words
6 years
critical period for attachment
6-3 years
understand object has to be in contact with most of surface so it dont fall
6.5 months
have brightness constancy
7 months
smile more at familiar adults than non-familiar
7 months
critical period for developing second langauge
7 years
start to understand that traits are biologically inherited
7 years
understand speech parsing
7-10 months
can appreciate height in a containment event
7.5 months
object permanence according to piaget
8 months
separation anxiety emerges
8 months
showed preference for characters that intended to be helpful
8 months
start babbling
8 months
understand the need for punishment
8 months
responsive to evolutionary feared stimuli
8- 9 months
first words
8-18 months
learn 6 words a day
8-6 years
lose ability to percieve different faces
9 months
show triatic skills
9 months
Excitement and distress
first weeks
can decieve you
grade 1