Individuals do differ in capaticy of working memory

What do  working memory do (in general)?

When we jump (with our eyes) from one object to another some fuzzy images are generated.
The brain gets couple of snapshots of about a quarter-second.
There is a big role for working memory, which retains snapshots so they can be linked in a film.
Working memory works as a high-resolution camera, keeping couple of features in hight detail.
It also deals with objects that are temporarily blocked from looking at.

Do we have different working memories?
Yes.
Individuals differ in the number of features that can be stored at once
and in the resolution of each single feature.

How about the resolution of working memory?
In general WM is constant during your life.

Not surprisingly higher levels of "fluid intelligence” have people with bigger
capacity of working memory.

Do we have working memory from birth?
Not exactly. Between the age of 6 and 10 months we rapidly develop adult-like working memory.
(http://www.news.ucdavis.edu/search/news_detail.lasso?id=8592)

Brains activation during a memory task.

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