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Observing the mechanisms that function in human emotion expression, Paul et al. suggest that concentration on similar mechanisms in animals can provide clear insights into the animal experience. They noted that in humans, cognitive biases vary according to emotional state and suggested this as a possible starting point to examine animal emotion ...
It has been argued that only primates, including humans, can feel "emotional pain". However, research has provided evidence that monkeys, dogs, cats and birds can show signs of emotional pain and display behaviours associated with depression during painful experience , i.e. lack of motivation, lethargy, anorexia, unresponsiveness to other animals.
It can often feel as though we’re truly on the same wavelength as our dogs – in sync with them perhaps. As far-fetched as that might sound, new research has indicated that there’s some truth ...
Donald Broom, Professor of Animal Welfare, Cambridge University, England, said that most mammalian pain systems are also found in fish, who can feel fear and have emotions which are controlled in the fish brain in areas anatomically different but functionally very similar to those in mammals. [14]
These animals can voluntarily shed appendages when necessary for survival. Autotomy can occur in response to chemical, thermal and electrical stimulation, but is perhaps most frequently a response to mechanical stimulation during capture by a predator.
In subsequent years, it was argued there was strong support for the suggestion that some animals (most likely amniotes) have at least simple conscious thoughts and feelings [13] and that the view animals feel pain differently to humans is now a minority view. [6]
Dissection of a frog. Pain is an aversive sensation and feeling associated with actual, or potential, tissue damage. [1] It is widely accepted by a broad spectrum of scientists and philosophers that non-human animals can perceive pain, including pain in amphibians.
They concluded that the 50-kHz rat vocalizations might reflect positive affective states (feelings or emotions), analogous to those experienced by children laughing during social play. [12] More recent studies have investigated the emotional states of rats after being tickled. An animal's optimism or pessimism can be assessed by cognitive bias ...