THE STEVENS LAW AND THE DERIVATION OF SENSORY PERCEPTION

The Stevens law and the derivation of sensory perception

The Stevens law, S = kIn, is commonly accepted as a landmark achievement in the field of sensory psychophysics and has been widely applied in food sensory research.The theory effectively links the two parameters of very different nature, the intensity of sensory perception (S) and the intensity of physical stimulus (I).However, the Stevens law suff

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Rearing and Colonization of Lutzomyia evansi (Diptera: Psychodidae), a Vector of Visceral Leishmaniasis in Colombia

The sandfly Lutzomyia evansi from a focus ice blue graphic tee of visceral leishmaniasis in northern Colombia was reared and maintained under laboratory conditions for five generations.The average time for total development was 41.8 days (range = 35.1- 49.6) at 25 oC and 89-95% of relative humidity.The mean number of eggs laid was lower in laborato

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