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Title:
EEG SYSTEM FOR TIME-SCALING PRESENTATIONS
Document Type and Number:
WIPO Patent Application WO2004034870
Kind Code:
A3
Abstract:
A data acquisition unit (110) for an EEG system (100) includes pliant electrodes (122, 124, 126) and/or a wireless transmitter (138) that permit use of the EEG system (100) without electrolyte gels or solutions and/or connecting wires. The electrodes (122, 124, 126) can use a conductive fabric or a conductive rubber material (320) that is dry or damp and mounted in a rigid structure (340) that plugs into a socket (240) on a headset (200). A feedback unit (150) in the EEG system (100), which receives and processes the data from data acquisition unit (110), can be a high power, high performance processing system that implements complex feedback presentations and control functions based on analysis of the EEG data. In one embodiment, the feedback system (150) controls a presentation player and adjusts a playback rate according to the sensed brain activity or synchrony between left and right brain activity. A PWM signal can control the time scale of the presentation.

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Inventors:
CALDWELL SAMUEL J
TANAKA TAKA-AKI
OGAWA YOKU
Application Number:
PCT/JP2003/013129
Publication Date:
July 08, 2004
Filing Date:
October 14, 2003
Export Citation:
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Assignee:
SSI CORP (JP)
International Classes:
A61B5/375; (IPC1-7): A61B5/0482
Domestic Patent References:
WO1997049333A11997-12-31
Foreign References:
US5479934A1996-01-02
US6402520B12002-06-11
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