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Brain Imaging in Natural Cognition Sit still! Nearly all brain imaging studies (MEG, PET, fMRI, and EEG) are conducted in rigidly static seated or prone.

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Presentation on theme: "Brain Imaging in Natural Cognition Sit still! Nearly all brain imaging studies (MEG, PET, fMRI, and EEG) are conducted in rigidly static seated or prone."— Presentation transcript:

1 Brain Imaging in Natural Cognition Sit still! Nearly all brain imaging studies (MEG, PET, fMRI, and EEG) are conducted in rigidly static seated or prone positions with only the most minimal finger movements allowed. In all modalities but EEG, the sensors are heavy. Muscle and movements contribute (‘noise’) signals. But this is artificial. Nearly all our tasks involve complex, motivated behaviors, and interactions with a 3-D space. Our brains have evolved for this – but brain activity during free movement in 3-D space has never been observed or modeled! PET MEG fMRI EEG

2 Amp+ADC+Wireless 65 x 40 mm 1G Mobile Wireless EEG Cap DSP and Display module 65 x 40mm...... MEMS Dry Electrode

3 Dynamic Motion Platform Hydraulic Hexapod Steward Platform –Provides kinesthetic stimuli –Realistic driving sensation A real vehicle -Provides realistic driving handling

4 VR-based Driving Simulator 360 o Surrounded Virtual-Reality Highway Scenes –Provides a safe and realistic driving environment –Full field of view

5 VR-based Dynamic Driving Simulator

6 EEG-based Drowsiness Monitoring Wet Electrodes Dry Electrodes

7 Mobile Wireless EEG in the StarCAVE of UCSD EEG signals are acquired by dry MEMS sensor EEG cap and transmitted to and recorded by a cell phone via BlueTooth.


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