Taste Stimuli: Quality Coding Time

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Science  26 Mar 1971:
Vol. 171, Issue 3977, pp. 1256-1258
DOI: 10.1126/science.171.3977.1256


Rats conditioned to avoid drinking 300 millimolar NaCl recognized and rejected this solution within 250 to 600 milliseconds of onset of stimulus, a period containing the phasic portion of the peripheral neural response. They generalized to 500 millimolar NaCl but not to 500 millimolar sucrose. Rejection was based on quality identification neurally encoded within this brief period.

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