When the limbic system is activated, the cerebral cortex is suppressed and it’s the same way when the cerebral cortex is highly active, the limbic system is suppressed.The release of various neurotransmitters and stress hormones triggers a plethora of reactions within our body that basically shuts down all of our bodily systems not necessary for defense. After the stressful situation has passed, the body’s stress response is supposed to turn-off and levels of neurotransmitters and stress hormones should return to normal levels. However, these changes do not “turn-off” instantly but can in fact sometimes take over 24 hours to return to their normal levels, but that may depend on the person. The common causes of stress in Dogs can be Arguments among family members, Any change in environment, Scary events, Frustration, Humans ignorant of needs and ways of communicating, and etc. You can tell a dog is stressed by their body language and behavior. For their eyes you can notice these