The objective assessment of electrically induced taste sensation using the

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The evoked magnetic fields following the electrical tongue stimulation were assessed in order to establish the objective evaluation of electrically induced taste sensation. The results indicated that the source estimation using the equivalent current dipole analysis would not be necessarily adequate to evaluate the pure taste evoked responses in isolation from somatosensory response. On the other hand, both responses (those for taste and for somatosensory) can be separately evaluated simultaneously by using a time-frequency analysis that has been introduced recently.