STUDYING THE IMPACT OF ALCOHOL CONSUMPTION AND ITS CULTURAL UNDERSTANDING ON EEG USING EMBEDDING DIMENSION IN YOUNG HEALTHY ADULTS FROM SHILLONG, MEGHALAYA

Author : Arundhuti Das , Shrimanta Ramchiary , Sudip Paul , Tapas Sinha and Dinesh Bhatia

Volume, Issue, Month, Year : Vol (3), No (4), October, 2016


ABSTRACT

Cultural understanding and environment of upbringing plays a pivotal role in deciding right and wrong that influences our perception and decision-making. Electroencephalogram (EEG) is being employed since past several years to understand cognitive functioning of human brain. Here, we employed EEG to determine impact in cognitive functioning due to cultural upbringing. The objective was to detect if there is any influence of difference in cultural understanding related to alcohol use, on EEG obtained from alcohol consumers and non-consumers. The present study was done between Indo-Aryan and Tibeto Burman linguistic groups from Shillong Meghalaya. Embedding dimension was used to characterize EEG. The embedding dimension from the frontal and occipital regions of the brain of both alcohol consumers and non-consumers in Tibeto Burmans and Indo Aryans were determined via a MATLAB program. The results show that the embedding dimension profiles of alcohol consumers and non-consumers are quite different. For the control (non consumers) both in case of Tibeto Burman and Indo Aryans the value of the embedding dimension was higher in occipital regions as compared to the alcohol consumers. This result implies the loss of coherence and neuronal connectivity for alcohol consumers. However, this effect is more prominent in the case of Indo Aryans.  

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