Abstract:
:Performance in object search tasks is not only influenced by the subjects' object permanence ability. For example, ostensive cues of the human manipulating the target markedly affect dogs' choices. However, the interference between the target's location and the spatial cues of the human hiding the object is still unknown. In a five-location visible displacement task, the experimental groups differed in the hiding route of the experimenter. In the 'direct' condition he moved straight towards the actual location, hid the object and returned to the dog. In the 'indirect' conditions, he additionally walked behind each screen before returning. The two 'indirect' conditions differed from each other in that the human either visited the previously baited locations before (proactive interference) or after (retroactive interference) hiding the object. In the 'indirect' groups, dogs' performance was significantly lower than in the 'direct' group, demonstrating that for dogs, in an ostensive context, spatial cues of the hider are as important as the observed location of the target. Based on their incorrect choices, dogs were most attracted to the previously baited locations that the human visited after hiding the object in the actual trial. This underlines the importance of retroactive interference in multiple choice tasks.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Péter A,Topál J,Miklósi Á,Pongrácz Pdoi
10.1016/j.beproc.2016.02.005subject
Has Abstractpub_date
2016-04-01 00:00:00pages
51-62eissn
0376-6357issn
1872-8308pii
S0376-6357(16)30026-2journal_volume
125pub_type
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