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    #1

    while the body's muscles are paralysed

    When these cells switch on, it triggers a loss of consciousness. After SWS, REM sleep begins. This mode is bizarre: a dreamer’s brain becomes highly active while the body’s muscles are paralysed, and breathing and heart rate become erratic. The purpose of REM sleep remains a biological mystery...
    source:
    http://www.chemwatch.net/186247/what-happens-in-the-brain-during-sleep

    In the sentence "a dreamer's brain becomes highly active while the body's muscles are paralyzed", do you think the word while indicates contrast here, or is it used a s time linker, meaning "when"?
    The thing is, we are preparing a close test and we omitted the word while. Can alternative answer be "although" and "whereas"? (I mean can "while" be replaced by "whereas" or "although"?
    But if "while" doesn't give contrast meaning (if it used as a time linker), can it be replaced by "when"?
    We are confused.
    Thanks in advance.
    Last edited by Rover_KE; 01-Mar-2016 at 09:20. Reason: Enlarging font of quoted text.

  1. emsr2d2's Avatar
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    #2

    Re: while the body's muscles are paralysed

    Who are "we", referred to several times in your post?
    Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.

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    #3

    Re: while the body's muscles are paralysed

    "We" refers to me and three more teachers, who are preparing a cloze test. The sentences are taken from an article titled "What happens in the brain during sleep." We, as the people who are preparing the test, omitted the word "while", assuming that "while" indicates contrast here. Or does it indicate a time relationship?

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