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Fig. 1. Rates of acquisition for honey bees trained with three different
conditioning protocols reflected in the mean (± s.e.m.) response on
each trial. (A) APC protocol where both antennae and proboscis are stimulated
with sucrose solution and the bees are allowed to consume the sucrose reward
(Npollen=65; Nnectar=63). (B) PC
protocol where only the proboscis is stimulated and bees are then allowed to
consume the reward (Npollen=78;
Nnectar=69). (C) AC protocol where the antennae are
stimulated with sucrose solution, but subjects were not allowed to touch the
sucrose solution with their proboscis or consume the reward
(Npollen=60; Nnectar=65). The rate of
acquisition was greatest for the APC protocol; honey bees conditioned using
the PC or AC protocols did not have significantly different rates of
acquisition. The predicted probability of responding on each conditioning
trial is shown with the ± s.e.m. of this probability. Abbreviations:
Pol, pollen foragers; Nect, nectar foragers; +, reinforced trials with CS odor
on the A trials; –, B trials with the unreinforced odor.
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