Could emotional abuse cause a lack of awareness to social cues?

Yes: A person who has been abused emotionally develop unhealthy coping styles in the attempt to stop the abuser. It is common to for an abused person to avoid any behaviors that are normal responses to social cues. They create a bubble that blurs their vision but they appear out of it" "like a zombie" to others whose intent is normal social interaction. For the abused it is unhealthy protection