When the cat's amygdala is electrically stimulated the cat prepares to attack by hissing and arching its back. Which division of the autonomic nervous system is activated by such stimulation

A cat's brain is biologically more similar to a human's than a dog's brain. Both humans and cats have an identical region in the brain responsible for emotions.

Why cats make noise in their throats

Scientists are not sure why a cat purrs. Many veterinarians believe that a cat purrs by causing its

Vocal cords to vibrate deep in the throat.
For this to be possible, a muscle in the larynx opens and closes the air passage 25 times a second.

Which part of the brain is activated by aggressiveness

Different studies have shown that the prefrontal cortex is part of the neurobiological basis of aggression.

In this case, it was found that there is a direct relationship with the functionality of the orbitofrontal and ventromedial cortex. In fact, there is a hypoactivation in these areas that affects the inhibition of aggressive responses and generates an increase in irritability.

Likewise, a link with aggressiveness was found due to the functions of this structure. Among them we find:

Emotional control
and Regulation,

behavior planning and moral ethical conduct. All this causes the person to increase behaviors related to aggression, especially the impulsive type.

With this, we can say that the part related to aggression in cats is the pre-frontal cortex.

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