Dissociate between? - Wordsmith.org

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At a recent course the instructor kept referring to the need to "dissociate between" two similar neurological conditions.
Is this correct or would you, like me, differentiate between and dissociate from?

I would

I'd "differentiate between", and either "dissociate one from the other" or simply "dissociate both".

Differentiate is clearly the correct word. He was probably just confused - or not quite awake. I make similar mistakes on occasion, particularly when I first wake up or when I go long periods with insufficient sleep or when I'm distracted.

As an ancient codger just entering senility and usu too lazy or forgetful to reread my own thread, so do I, don't even need to be sleepy or distracted

Quote:

...particularly when I first wake up or when I go long periods with insufficient sleep or when I'm distracted.

That describes my constant state of being.

FF, are you in NOVA or the Sourthern part of VA?

Even the more critical among us can utter in haste utter folly. As today, discussing the potential for repairing some hybrid defects by welding adjacent leads, one asked, "do any have parylene coating?", the self-reproach being, "Obviously none will be parylene coated since they are all spares. Even were it otherwise, none of those boards would have left the plant with those parts on, STOOPID!"

The first time I assumed it was a slip of the tongue, the second thru' seventh I just twitched and kept quiet.