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Stress affects theta activity in limbic networks and impairs novelty-induced ex...
Jacinto, Luís; Reis, Joana; Dias, Nuno S.; Cerqueira, João J.; Correia, José Higino; Sousa, NunoExposure to a novel environment triggers the response of several brain areas that regulate emotional behaviors. Here, we studied theta oscillations within the hippocampus (HPC)-amygdala (AMY)-medial prefrontal cortex (mPFC) network in exploration of a novel environment and subsequent familiarization through repeated exposures to that same environment; in addition, we assessed how concomitant stress exposure cou...
A Wireless EEG Acquisition Platform based on Embedded Systems
Pinho, Francisco; Correia, José Higino; Dias, Nuno S.This paper proposes a wireless EEG acquisition platform based on Open Multimedia Architecture Platform (OMAP) embedded system. A high-impedance active dry electrode was tested for improving the scalp- electrode interface. It was used the sigma-delta ADS1298 analog-to-digital converter, and developed a “kernelspace” character driver to manage the communications between the converter unit and the OMAP’s ARM core....
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