An analysis of spontaneous human cortical EEG activity to odours |
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Authors: | Toller S Van; Behan J; Howells P; Kendal-Reed M; Richardson A; The Warwick Human Chemoreception Research Group |
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Institution: | Toller, S. Van; Behan, J.; Howells, P.; Kendal-Reed, M.; Richardson, A.; The Warwick Human Chemoreception Research Group (WHCRG), |
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Abstract: | Using single trial presentation of odours, mapping of spontaneousEEG was made in naive subjects. Systematic increases in EEGamplitudes for alpha (813 Hz) frequency were shown forthe odours used and discrimination of odours was shown by specificelectrodes. These were mainly in the area bounded by International10/20 scalp locations CP1, PZ, CP2, TCP2 and C4. It was alsoshown that EEG recordings from more anterior electrodes couldbe related to psychometric responses. The findings showed thatstatistically reliable electrical amplitudes to odour presentationswere discernible in the noisy EEG environment on the surfaceof the brain. |
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