This brain region may be why some robots send chills down your spine
The ‘uncanny valley’ effect is an unsettled sensation caused by bots that are too humanlike

CREEPY FEELING By gauging people’s reactions to pictures of robots that looked more or less humanlike (examples above in this composite image), researchers uncovered a region of the brain that may be responsible for the “uncanny valley” effect.
A.M. Rosenthal-vonder Pütten et al/J. Neuroscience 2019