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Light Perception - Results
correct runs (%)
90
80
70
60
50
40
30
20
10
0
5 10 15 20 25 30 35 40 45
trials
Fig. A9 Learning curves of five mole-rats trained to a white light stimulus with a strong
−2 −1
intensity of 23 µmol photons ⋅ m ⋅ s . The random threshold of 50% is indicated by a bold
black bar. Four of five animals (except for animal #4) showed a learning gain during the learning
series and yielded more than 50% correct choices. Animals #1 and #2 displayed constant
performances above 60% during the whole series. Animals #3 and #5 showed classical learning
curves during the series, with animal #5 overcoming the 50% threshold after 15, and with animal
#3 after 35 trials.
correct runs (%)
100
80
60
40
20
0
5 10 15 20 25
trials
Fig. A10 Learning curves of five mole-rats trained to a white light stimulus with a low
−2 −1
⋅ s
intensity of 7 µmol photons ⋅ m . The random threshold of 50% is indicated by a bold black
bar. All five animals reached a learning performance with more than 50% correct choices; except
for animal #4, the mole-rats even were successful in more than 60% of all runs. Animal #1 shows
a classical learning curve. This animal seemed to be particularly motivated throughout the whole
study.
#1
#2
#3
#4
#5
#1
#2
#3
#4
#5
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