Respuesta :

6 communication blockers are use of jargon, emotional barriers, lack of attention, interest, distractions, or irrelevance to the receiver. differences in perception and viewpoint, physical disabilities such as hearing problems or speech difficulties, and sarcasm.
accusing
judging
insulting
diagnosis
sarcasms
globalizing
threats
orders
interrupting
changing the subject
conclusion

or as i would say, 

speech
sight
touch...