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Table 5 Bi-directional conditioning experiment for short-term olfactory memory to Citronella smell in Anopheles gambiae females

From: Visual and olfactory associative learning in the malaria vector Anopheles gambiae sensu stricto

Association Citronella/Normal blood No Citronella/Normal blood χ 2 P-value
Blood Normal blood Salted blood Normal blood Salted blood> - -
Time (min) n n n n   
2 15 13 9 11 0.00 1.000
4 14 7.5 11 6 6.98 0.008
6 14 4.5 11 2.5 21.5 < 0.001
8 8 2 12 6.5 9.55 0.002
10 5.5 2 7.5 1.5 11.64 < 0.001
  1. †The change in number of females on two blood feeders with contrasting bloodmeal quality (salted and normal blood) used as reinforcing stimuli associated with and without Citronella smell for bi-directional conditioning. The position of each feeder was alternated every 2 min (see methods for details). Significant results are in bold