Assessment of Subdural Insertion Force gle-Tine Microelectrodes in Rat Cerebral Cortex

We investigated the imp silicon microelectrodes and co electrodes in rat cerebral cortex. were performed in which the insertion/retraction into brain tiss 2 mm/s, 2 repetitions) were measu tine VSAMUEL microelectrode sectional area = 950 μm2) with a single tine microelectrodes (ope sectional area = 750-1962 μm2). In of the brain surface before the mN). The force maintained to inc advancement had stopped (first p tension force was measured durin (first retraction: 0.54±0.13 mN). significantly lower during the sec Kramer multiple comparison, a properties of the VSAMUEL p different from other commonly showed that the microelectrodes h force of approximately 1 mN wh cortex tissue and a tension force o Keywords— VSAMUEL, mic cortex, rat, in-vivo