schematic knowledge helps you

[keannu]

Korean SAT 2019-37

Clearly, schematic knowledge helps you ― guiding your understanding and enabling you to reconstruct things you cannot remember.
But schematic knowledge can also hurt you, promoting errors in perception and memory. Moreover, the types of errors produced by schemata are quite predictable: Bear in mind that schemata summarize the broad pattern of your experience, and so they tell you, in essence, what’s typical or ordinary in a given situation.
Any reliance on schematic knowledge, therefore, will be shaped by this information about what’s “normal.” Thus, if there are things you don’t notice while viewing a situation or event, your schemata will lead you to fill in these “gaps” with knowledge about what’s normally in place in that setting.
Likewise, if there are things you can’t recall, your schemata will fill in the gaps with knowledge about what’s typical in that situation. As a result, a reliance on schemata will inevitably make the world seem more “normal” than it really is and will make the past seem more “regular” than it actually was.
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Actually, I can't even imagine what the underlined parts mean. Do you have any idea of any of the three lines?

 

[Charlie Bernstein]

As I undertand it, schemata are mental frameworks for thinking about things. There's a saying in English: If all you have is a hammer, every problem looks like a nail. The hammer is your mental framework.

The lines you underlined describe how your schemata — frameworks — can help or hinder your understanding of things. If your problem is a nail, a hammer can help. If not, a hammer can hinder.

 

[jutfrank]

It's seems to me to be very clearly explained.

Can you say exactly what you don't understand? Do you understand what schemata are?