by what age does a child’s brain reach around 75% of its adult weight
age 2
what age does a child’s brain reach 90% of its adult weight
age 6
the repetition of a particular response, thought, word, or action even when it’s no longer appropriate or relevant.
perseveration
involves cognitive ability to organize and prioritize thoughts that arise from the various parts of the brain, allowing the person to anticipate, strategize, and plan behavior.
Executive Function
executive function is nascent (just beginning to develop, form, or come into existence.) at what age
2
recently seen and easily brought to mind
short term or working memory
ability to control responses
inhibition
ability to see things from other’s perspective
Flexibility (shifting)
what are the three essential abilities of executive function?
are executive functions inborn?
no they are taught
attributing lifelike qualities to inanimate (not alive) objects
animism
Early childhood is a __________ to master vocabulary, grammar, and pronunciation
sensitive period (best time)
at the beginning of early childhood (2 years old) how many words do children know?
100-2000 words but on average 500 words
at the end of early childhood (6 years old) how many words do children know?
5000 - 30 000words
on average 10 000 words
at what age do children use long, seemingly unending sentences
6 years old up (end of early childhood)
at what age do children use short (2-6 words)
age 2
beginning of early childhood
Comprehension is greater than production during what
vocabulary explosion
what is fast mapping
Speedy and sometimes imprecise way in which children learn new words by tentatively placing them in mental categories according to their perceived meaning
-Use what they know to understand and learn new words
Inserting a word from one language while speaking in another language
code switching
Application of rules of grammar even when exceptions occur (ex. Foots, tooths)
overregularization
what is overregularization and when does it occur (at what age)
overregularization is when you apply the rules of grammar even when there are exceptions
occurs by age 4
Practical use of language that includes the ability to adjust language communication according to audience and context
Pragmatics
when the child becomes more fluent with the school language but may lose their home language
language shift
Connecting cultural cues (clothing, music, face, dance, food) to a particular language
acquired distinctiveness