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This Defense Intelligence Reference Document from the Defense Intelligence Agency, dated 23 March 2010, was produced under the Advanced Aerospace Weapon System Applications (AAWSA) Program. It surveys invasive and noninvasive brain-machine interface technologies for controlling external devices without limb-operated interfaces. The technologies covered include EEG, MEG, fMRI, NIRS, and implanted electrode arrays. It concludes that noninvasive electrical monitoring is the most promising near-term approach. In the long term, it favors invasive single-neuron cortical connections that use optical stimulation or chip-based arrays.
“Nature”6 pages
UNCLASSIFIED/ ,'F811. 8FFll!l*le lall!! 8111!¥ Conclusions .......................................................................................................... 27 Figures Figure 1. Simplified Rendering of a Neuron ............................................................ 1 Figure 2. The General Layout of a Closed-Loop Control Interface ........................... 5 Figure 3. Two Commercially Available EEG Sensors ................................................ 8 Figure 4. Experimental Overview of Brain-Controlled Robot in a Closed Loop With Visual Feedback Experiment ......................................................... 13 Figure s. Schematic of the Neurochip Functional Blocks ...................................... 15 Figure 6. Implant Location ................................................................................... 16 Figure 7. Histology and Electrode Tracks ............................................................. 17 Figure 8. The Michigan Electrodes ........................................................................ 18 Figure 9. Image Distortion and Custom Microwire Electrode Assembly to Improve It ............................................................................................. 19 Figure 10. Example of T2 Variability ..................................................................... 19 Figure 11. T2 Value Analysis Summary of T2 Values in All the Image Slices That Spanned the Electrode Arrays in All Animals ....................................... 20 Figure 12. A Hybrid Neuro-Robotic System .......................................................... 21 Figure 13. Experimental Arrangements ................................................................ 21 iv UNCLASSIFIED/ ,<EiOAt OEiEiIEl11J.k W&liii SUlklf
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 36 pages are in the text index: search them above, or from the library's search.