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Contra reflexes--2nd Correction

Jeffrey Sirianni audioman at hctc.net
Tue Jan 12 12:11:04 EST 1999


"Jae Utke" <jae1969 at hotmail.com> wrote:

>I will get this right this time! As practicing audiologists, I'm sure 
>you will agree with me on this point: I will never forget Reflex 
>Testing!

>Here I go again: This time I know the pathways are correct, I just made 
>a mistake in the probe/stimulus placement. 

>Right Ipsi: Stimulus (tone) in Right ear, Probe in Right ear.
>Left Contra: Stimulus in Left Ear, Probe in Right ear.
>Left Ipsi: Stimulus in Left Ear, Probe in Left ear.
>Right Contra: Stimulus in Right ear, Probe in Left ear.

I won't try to confuse anyone, but from my understanding, the "Contra"
nomenclature can mean contralateral stimulation, or contralateral
detection, depending on how you define your terms.

Ipsilateral (Right or Left) is always the same, probe and eliciting
stimulus always in the same ear.

Contralateral Right can be
- Eliciting stimulus in the right with probe in the left
OR
- Probe in the right and eliciting stimulus in the left.

It all depends on how and who taught you acoustic reflex nomenclature...

My advice is this, when I use the term "Contra Right", it should signify
that the eliciting stimulus is in the right ear.  That way, you can use the
clearer term:

Contra Right (probe left)
OR
Contra Left (probe right)

Jeff


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* Jeff Sirianni, M.A., CCC-A                      *
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