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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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Neural Interfaces Research at UW-Madison

The Neural Interface Technology Research and Optimization (NITRO) Laboratory is part of the Department of Biomedical Engineering at the University of Wisconsin-Madison. The goals of our lab are to 1) develop new devices for recording from and stimulating neural tissue, 2) design these devices to be both durable for long-term implantation and safe for use in humans and animals, and 3) use these technologies in a variety of situations, from use in a basic physiology lab recording from single neurons, to clinical settings where people with motor disabilities might benefit from a brain-computer interface or other neural prosthetic communication device.


Spotlight on: The Brain-Twitter Interface (April 20, 2009)

Update: Here are links to the media coverage we have been receiving. Check back for more updates!

NPR
CNN
MSNBC
Newsweek
http://www.news.wisc.edu/16576
Ron Reagan Show
http://wistechnology.com/articles/5959/
Hack a day
Engadget
http://www.mediabistro.com/prnewser/on/mindmeld_with_twitter_now_a_reality_114502.asp
WIRED
Here is audio from our interview with Shamane Mills on Monday, April 20. Audio.

Here is an updated video of a new subject trying the BCI-Twitter system for the first time.

Our research on using brain waves to send messages to Twitter was recently featured in the press. See http://www.news.wisc.edu/16576 for the full press release. A short demonstration video is available below. You can follow us at http://twitter.com/uwbci. A version of the video without text overlays can be found HERE

Here is an example of our brain-computer interface that we integrated with the Dasher spelling system. This video is a few years old, and does not connect to Twitter, but it is another example of the kinds of projects we are working on.


Recent News

Brain-Twitter Interface Story on Wisconsin Public Radio (Wed, 22 Apr 2009 04:44:30 +0000)

Audio from our interview with Shamane Mills, from Wisconsin Public Radio. wpr-shamane-mills4202009

Media: audio/mpeg (725226 bytes)

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Brain-Twitter Interface (Mon, 20 Apr 2009 06:00:01 +0000)

In early April, Adam Wilson posted a status update on the social networking website Twitter—just by thinking about it. Just 23 characters long, his message, “using EEG to send tweet,” demonstrates a natural, manageable way in which “locked-in” patients can couple brain-computer interface technologies with modern communication tools. A University of Wisconsin-Madison biomedical engineering doctoral student, Wilson [...]

Media: video/quick (9237233 bytes)

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MIT Technology Review (Tue, 25 Nov 2008 01:51:44 +0000)

Two NITRO areas of research were recently featured on the MIT Technology Review website, seen here: Less-Invasive Brain Interfaces Tongue Control The original posters that these articles are based on can be found in the Publications section of our website.

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