Dogs may be pessimistic too
The research, funded by the RSPCA, provides an important insight into dogs’ emotions, and enhances our understanding of why behavioural responses to separation occur.
In order to study ‘pessimistic’ or ‘optimistic’ decisions, dogs were trained that when a bowl was placed at one location in a room (the ‘positive’ position) it would contain food, but when placed at another location (the ‘negative’ position) it would be empty. The bowl was then placed at ambiguous locations between the positive and negative positions.
Professor Mendl explained: “Dogs that ran fast to these ambiguous locations, as if expecting the positive food reward, were classed as making relatively ‘optimistic’ decisions. Interestingly, these dogs tended to be the ones who also showed least anxiety-like behaviour when left alone for a short time.
“Around half of dogs in the UK may at some point perform separation-related behaviours - toileting, barking and destroying objects around the home - when they’re apart from their owners. Our study suggests that dogs showing these types of behaviour also appear to make more pessimistic judgments generally.”
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