“We don’t see things as they are; we see them as we are.”
On average humans are getting smarter by about 3. IQ points per year and there is no explanation but the ability to empathize is fading.
National Academy of Sciences of the United States of America
Neurons and neurotransmitters such as norepinephrine, trigger a defensive state when we feel that our thoughts have to be protected from the influence of others. When we are confronted with differences in opinion, the chemicals that are released in the brain are the same ones that try to ensure our survival in dangerous stations.