Atheist what are your thouhghts on Near Death Experiances, how can the brain produce out of the body experence?

some ofthem are probably genuine. a growing body of resarch shows that there is a disunity between the mind and brain, although the mind is dependent on the brain to interact with the world (i.e. brain damage causes mental retardation, etc). Some NDE's are probably genuine. I suggest the Spiritual Brain by neuroscientist Mario Beauregard. It details that and other forms of RSMEs