Abstract
In spite of a clear increment in absolute thresholds as an effect of self-adaptation, the electrically provoked taste sensation does not show a reduction in subjective intensity during the protracted stimulation time. Chemical cross-adaptation effects on the threshold and suprathreshold levels of electrical taste are observed only when the adapting solutions are electrolytes regardless of their taste qualities. It seems that the stability of perceived intensity during current flow is principally due to some irritation of the sensitive tissue of the tongue, whereas cross-adaptation effects may be attributed to the potential changes across the excitable membranes caused by electrical properties of adapting electrolytic solutions.
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References
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Bujas, Z., Szabo, S., Kovačić, M. et al. Adaptation effects on evoked electrical taste. Perception & Psychophysics 15, 210–214 (1974). https://doi.org/10.3758/BF03213934
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DOI: https://doi.org/10.3758/BF03213934