what is the immaterial spirit?
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Wapedia - Wiki: Dualism (philosophy of mind)
Inputs are passed on by the sensory organs to the epiphysis in the brain and from there to the immaterial spirit. A generally well-known version of dualism ...
http://wapedia.mobi/en/Dualism_(philosophy_of_mind) - Cached - Similar
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The monadology and other philosophical writings - Google Books Result
Gottfried Wilhelm Leibniz (Freiherr von ... - 1898 - Philosophy - 437 pages
the complex idea of a spirit. And thus by putting together the ideas of thinking, ... we are able to frame the complex idea of an immaterial spirit. ...
http://books.google.com/books?id=L8cYAAAAIAAJ&pg=PA393&lpg=PA393&dq=immaterial+spirit&source=bl&ots=_NX5mYY8o_&sig=5pTM_kbPyWjCHDOdHUTY8VU19S4&hl=en&ei=NQHqS7bhGYT68Ab6-fnpDg&sa=X&oi=book_result&ct=result&resnum=10&ved=0CD4Q6AEwCQ#v=onepage&q=immaterial%20spirit&f=false