Abstract：
:Bumble bees were trained to discriminate between two visual patterns, one of which was rewarding (S+) and one of which was unrewarding (S-). Subsequently, they were tested for discrimination between two non-rewarding patterns: the top halves of the training patterns, the bottom halves or the side halves. Three conditions were tested: (1) When the S+ was a star and the S- was a circle, all halves of the star were chosen above chance level, which may reflect an unlearned preference for radial patterns. (2) When the S+ and S- were reversed, the bottom half and the side half of the circle were chosen above chance level, but not the top half. (3) In the last condition, the S+ was again a circle, but the feeder tube was placed below the training pattern rather than above, and again the bottom halves were discriminated but neither the top nor the side halves were. In learning pattern discriminations, the ventral portion of the pattern is weighted more strongly than the dorsal portion, which enables recognition of incomplete patterns, and the weighting depends little on angle of approach.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Thivierge J,Plowright C,Chan Tdoi
10.1016/s0376-6357(02)00093-1keywords:
subject
Has Abstractpub_date
2002-09-30 00:00:00pages
185issue
3eissn
0376-6357issn
1872-8308pii
S0376635702000931journal_volume
59pub_type
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