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"Looking to spark up a makeshift psychology lab in the basement of your house? Look no further than the galvanic skin response computer mouse. For those unaware, GSR electrodes can gather data about human interactions with computers, though most rigs are so invasive that test subjects end up freaking out rather than passing on useful information. This non-obtrusive method relies on a device that the vast majority of computer users already use (that'd be a mouse), and by simply installing the sensors into the left and right click buttons, you're left with an analyzing tool that may not even tip off your kid sister, significant other, or your most favorite poker pal. At any rate, hit the read link to get your mad scientist on.[Via MAKE]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/11/09/standard-dell-mouse-gets-grs-electrode-implant/>