@Modeller. To be honest, I find the notion of karma just as unlikely as the notion of an afterlife.
"As you know we can already measure the electrical activity from our brains without making a direct physical connection."
Not sure I understand your meaning - care to expand a little?
"More recently some disabled people have been able to operate a computer through their brain waves by this method"
- But usually by using some sort of Brain-Computer Interface ; Electrodes in a cap, that kind of thing.
Not by some sort of energy transfer we are unaware of though- how it is done is perfectly understandable by physics.
Your comments about karma being some sort of "moral energy" sounds a little bit like Jainism, to me.Not something I subscribe to, because there is no objective evidence to support it.
I cannot recall ever seeing any evidence to suggest that telepathy is an actual phenomenon, myself. It certainly cannot be explained by physics, biochemistry or biology....