Table 2

Odorant pairs

NameRewarded odorant (S+)Unrewarded odorant (S–)
APEB1% acetophenone1% ethyl benzoate
EBAP1% ethyl benzoate1% acetophenone
EAPA10.1% ethyl acetate0.05% ethyl acetate +
0.05% propyl acetate
EAPA10.05% ethyl acetate +
0.05% propyl acetate		0.1% ethyl acetate
EAPA20.01% ethyl acetate0.005% ethyl acetate + 
0.005%propyl acetate
PAEA20.005% ethyl acetate +
0.005% propyl acetate		0.01% ethyl acetate
EAPA30.001% ethyl acetate0.0005% ethyl acetate +
0.0005% propyl acetate
PAEA30.0005% ethyl acetate +
0.0005% propyl acetate		0.001% ethyl acetate

  • The odorants were diluted in odorless mineral oil.