A simple technique for thermal stimulation of single semicircular canals

Mancinelli, R.

Archives Italiennes de Biologie 113(3): 295-300

1975


ISSN/ISBN: 0003-9829
PMID: 1212032
Document Number: 94042
Two simple thermodes for stimulating single semicircular canals have been designed in order to elicit eye nystagmus. The first, for warm stimulation, is based on the Joule effect: a silver needle is warmed up by means of a coiled nickrome wire. The temperature at the thermode tip is function of current intensity. The thermode for cold stimulation is a device in which a circulating freezing mixture cools a silver needle. The temperature at the thermode tip is proportional to the temperature of the freezing mixture.

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