Recent Publications

Positioning and guidance of neurons on gold surfaces by directed assembly of proteins using Atomic Force Microscopy (Sat, 18 Apr 2009 00:33:13 +0000)

PDF Staii C, Viesselmann C, Ballweg J, Shi L, Liu GY, Williams JC, Dent EW, Coppersmith SN, Eriksson MA. Abstract: We demonstrate that Atomic Force Microscopy nanolithography can be used to control effectively the adhesion, growth and interconnectivity of cortical neurons on Au surfaces. We demonstrate immobilization of neurons at well-defined locations on Au surfaces using two [...]

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Two-dimensional movement control using electrocorticographic signals in humans (Mon, 04 Feb 2008 15:49:04 +0000)

PDF G Schalk, K J Miller, N R Anderson, J A Wilson, M D Smyth, J G Ojemann, D W Moran, J R Wolpaw and E C Leuthardt Abstract. We show here that a brain–computer interface (BCI) using electrocorticographic activity (ECoG) and imagined or overt motor tasks enables humans to control a computer cursor in two dimensions. [...]

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Complex impedance spectroscopy for monitoring tissue responses to inserted neural implants. (Thu, 24 Jan 2008 23:32:39 +0000)

Williams JC, Hippensteel JA, Dilgen J, Shain W - JNE 07 A series of animal experiments was conducted to characterize changes in the complex impedance of chronically implanted electrodes in neural tissue. Consistent trends in impedance changes were observed across all animals, characterized as a general increase in the measured impedance magnitude at 1 kHz. Impedance [...]

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