One of the barriers to reception in communication is

One barrier to reception in communication is an environmental stimulus that competes for the receiver's attention.

Outside noise, movement or distraction pulls focus away and blocks the incoming message.

Open-mindedness aids reception by keeping the receiver ready to take in the message.

Message brevity aids reception by making the message easy to grasp.

Language orderliness aids reception by making the message clear and well arranged.

The environmental stimulus alone interferes with taking the message in, making it the barrier to reception.