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    #1

    to the speed our brains create memories - that or at which

    Hello everybody!

    Why do some weeks just fly by but sometimes minutes can seem like hours? And why do we perceive time differently in different circumstances? Neil and Alice discuss how our perception of time is linked to the speed our brains create memories.

    I think I understand that the fragment "to the speed our brains create memories" means "to the speed that our brains create memories" or "to the speed at which our brains create memories.

    In this case, "at which" = "that". In some cases, "that" as a relative pronoun or conjunction may be left out.

    What do you think of my opinion?

    Thank you.

    http://www.bbc.co.uk/learningenglish...lish/ep-160721
    Last edited by JACEK1; 22-Jul-2016 at 10:20.

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    #2

    Re: to the speed our brains create memories - that or at which

    It should be read as "...the speed (at which) our brains create memories."

    The at which is not strictly necessary to convey the meaning. For me, your alternative "that" is not right as it doesn't include the prepositional meaning that the at gives.


    • something happens at a speed
    Last edited by jutfrank; 22-Jul-2016 at 22:04.

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    #3

    Re: to the speed our brains create memories - that or at which

    In my opinion, where "that" is left out, a reader can always guess that "that" is hidden there. You are right that at which may not be necessary to convey the meaning. On the other hand, there are many examples of use of hidden 'that' in a phrase such as "(on) the day (on which)(that)(when) I was born, ......... I don't want to impose my views on anybody here. What is your opinion?
    Last edited by JACEK1; 23-Jul-2016 at 16:36.

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