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The Intelligence of Dogs: A Guide to the Thoughts, Emotions, and Inner Lives of Our Canine Companions is a 1994 book on dog intelligence by Stanley Coren, a professor of canine psychology at the University of British Columbia. [1] The book explains Coren's theories about the differences in intelligence between various breeds of dogs.
Dogs have demonstrated episodic-like memory by recalling past events that included the complex actions of humans. [41] In a 2019 study, a correlation has been shown between the size of the dog and the functions of memory and self-control, with larger dogs performing significantly better than smaller dogs in these functions.
Research has shown that there are individual differences in the interactions between dogs and their human that have significant effects on dog behavior. In 1997, a study showed that the type of relationship between dog and master, characterized as either companionship or working relationship , significantly affected the dog's performance on a ...
Historical HSD (H-HSD): Diagnosed when there is a history of joint hypermobility that is no longer present, along with other symptoms. These classifications help in identifying the specific pattern and extent of joint hypermobility and in determining the appropriate management strategies.
The authors suggested that they had demonstrated "...for the first time a link between the directly measured positive affective state and decision making under uncertainty in an animal model". There is some evidence for cognitive bias in a number of species, including rats, dogs, rhesus macaques, sheep, chicks, starlings and honeybees. [103]
Dog displaying aggressive body language; note upright head position, staring, clenched teeth, and upright ears pointing forward. The position and movement, or lack thereof, of a dog's head can indicate a variety of emotional states. If the head is stationary, the main identifying difference is whether the head is upright or lowered.
Similarly, dogs preferentially use the behaviour of the human Knower to indicate the location of food. This is unrelated to the sex or age of the dog. In another study, 14 of 15 dogs preferred the location indicated by the Knower on the first trial, whereas chimpanzees require approximately 100 trials to reliably exhibit the preference. [39] [29]
Using dogs, Martin Seligman and his colleagues pioneered the study of depression in the animal model of learned helplessness at the University of Pennsylvania. Dogs were separated into three groups, the control group, group A had control over when they were being shocked and group B had no control over when they were being electrocuted. After ...