I just received the following from a former undergrad student of mine,
currently a new grad student at another university.  When I did my last
stereotaxic lesion (30 years ago) I remember that there was can alternative
but 1)my memory could be faulty and b)it might have turned out to be less
accurate, etc. than the traditional ear bars. 

>   I am going to be using a stereotaxic (is this how it is said) for a 
> lesion study.  I observed another member of her lab doing a 
> similar procedure (I will be looking at a different area of the brain).  
> Anyway, when he inserted the bars into the rats ears he destroyed the 
> eardrums of the rat and claimed that this was normal.  Is this necessary?
> I 
> would like to avoid this if possible. Do you have any suggestions. 
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Edward I. Pollak, Ph.D., Department of Psychology, 
West Chester Univ. of PA, West Chester, PA 19383 
[EMAIL PROTECTED]
Office: 610-436-3151; Home: 610-363-1939; Fax: 610-436-2846; 
Office hours: Mondays 2-4; Tues. & Thursdays 10-noon.
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Husband, father, grandfather, biopsychologist, bluegrass fiddler and
herpetoculturist. 
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Shameless self promotion:  The Mill Creek Bluegrass Band performs every
Tuesday night at Dugal's Inn, Mortonville, PA. Call 610- 486-0953 for
directions.
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