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Hello, everyone,

While you may think of your brainas a product of your genes and mostly unchanging, growing until you reach a certain age and then unaffected by your lifestyle and environment, the reality is that your brain is always in a state of change. In addition to all of the functions your brain orchestrates, it has the ability to “clean house” to eliminate connections between brain cells no longer in use.
* partly quoted from the book, “Boost Your Brain Power in 60 Seconds: The 4-Week Plan for a Sharper Mind, Better Memory, and Healthier Brain”

My question is the usage of unchanging, growing . I have analyzed the sentence as follows;
"While you may think of your brain as [a product of your genes=A] <and> [mostly unchanging, growing until ~ =B], ... "

- ‘and’ leads to parallel structure; think of your brain as [A] and [B],
- ‘unchanging’ and ‘growing’ are in apposition.

Will appreciate, if you kindly advise better solution.

Best RGDS,

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@deepcosmos posted:

While you may think of your brain as a product of your genes and mostly unchanging, growing until you reach a certain age and then unaffected by your lifestyle and environment, the reality is that your brain is always in a state of change. [...]

My question is the usage of unchanging, growing . I have analyzed the sentence as follows;
"While you may think of your brain as [a product of your genes=A] <and> [mostly unchanging, growing until ~ =B], ... "

- ‘and’ leads to parallel structure; think of your brain as [A] and [B],
- ‘unchanging’ and ‘growing’ are in apposition.

Hi, deepcosmos,

I think your parsing is correct. I only disagree about the two V-ing forms being in apposition. In apposition to what? Both "unchanging" and "growing" are postmodifiers. While "unchanging" is more clearly an adjective, "growing" is a present participle. Notice what happens if we replace them with relative clauses:

- While you may think of your brain as a product of your genes that is mostly unchanging and which grows until you reach a certain age ...

I think your parsing is correct. I only disagree about the two V-ing forms being in apposition. In apposition to what? Both "unchanging" and "growing" are postmodifiers. While "unchanging" is more clearly an adjective, "growing" is a present participle. Notice what happens if we replace them with relative clauses:

- While you may think of your brain as a product of your genes that is mostly unchanging and which grows until you reach a certain age ...

Hi, Gustavo--long time, no see (my feeling). Yes, yours helps me a lot, indeed!

RGDS,

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