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Abstract:The aim of this research work is to identify the most preferred brand of soap in New Delhi through wireless EEG signal through Neuromarketing. A group of four major soap brand advertisements i.e. Pears, Lux, Cinthol and Dove are considered for this research. The advertisement (video) of above these brands are used to stimulate the subjects (9 male and 9 female with age range of 22-30 years) The brain signal responses for the stimuli were collected using a 14 channel wireless headset with a sampling frequency of 128 Hz. The acquired signals are preprocessed using fourth order Butterworth band pass filter. Then feature extraction is done to extract desired features from the EEG signal. The mean value and then power of mean value of each soap brand is calculated. The frequency spectrum of above soap brands is obtained through time-frequency analysis using Short Time Fourier Transform (STFT).The results so obtained are plotted in graphs for final analysis. The present experimental results are analyzed and it is indicated that the subjects are mostly inspired on Dove brand of soap compared to other brands.

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