Dogs have multi-modal mental imagery of items and objects that are familiar to them. When a dog thinks about an object, they imagine the object's different sensory features.
Researchers have developed a set of tests that can quantify cognitive changes in aging dogs and accurately detect canine cognitive dysfunction syndrome, a disorder with similar pathology and outcomes as Alzheimer's disease in humans. The findings show promise for both humans and dogs in understanding Alzheimer's progression.
Study reveals monkeys utilize alcohol from fermented fruits as a source of energy.
Differences in sound properties, including pitch and timbre, help dogs to recognize the voice of their owners over that of a stranger.
Hyperactivity, impulsivity, and inattention are more common in male dogs and young puppies, researchers say. The findings correspond to age and gender associated with ADHD in humans.
Gorillas not only recognize familiar human voices, they can also connect the voices to pleasant, or not-so-pleasant memories of the person.
Studying 50 species of primates, researchers found 80% of the species studied performed corpse carrying behaviors as a way to process grief. Following the loss of an infant, some primate mothers carried the body for up to four months following death.
Squirrels have four main personality traits, researchers report. Understanding how an animal's personality influences use of space may be important for wildlife conservation.
Studying red junglefowl chicks, researchers conclude impulsivity is linked to both gene expression and early life experiences.
Domestic cats choose not a contrafreeload, a behavior where most animals prefer to work for their food.
While the response to numbers may be an evolutionary trait we share with some animals, our ability to perceive language and digits underpins our advanced mathematical skills.
A new study demonstrated dogs do not reciprocate food-giving, nor do they act more favorably toward a friendly human.
