Authors : K. Yasoda and A. Shanmugam
Abstract: The attention and cognitive capacity of an individual is an evaluating factor in assessment of cognitive impairment and for analyzing the rate of progression. The prevailing method of evaluation of cognition is questionnaire based followed by the analysis of Electro Encephalo Gram (EEG). The present research is based to bring a correlation between Eye Blink Rate (EBR) obtained from Electroculogram (EOG) and P300 which is an event related component of the EEG for evaluation of cognition. Frontal and parietal electrodes are used to pick the EOG and ERP respectively. The biopotential raw signals obtained are preprocessed and stored. The signals are then taken to MATLAB environment for analysis. For a designed stimulus presentation, EBR (index of attention) and the P300 component (measure of cognitive capacity) are acquired from 10 participant’s data base set and the values are tabulated and analyzed using brain computer interface. The remarkable correlation and dependence exist between EBR and ERP through the statistical analysis.
K. Yasoda and A. Shanmugam, 2016. Evaluation of Cognitive Capacity of an Individual Using Biosignals-EOG and EEG with P300 Emphasis. Asian Journal of Information Technology, 15: 4370-4376.