The other form of demonstrative communication is with nonverbal signs. A sender can even receive nonverbal cues from the receiver while they are still sending a message (Cheesbro, O'Connor, & Rios, 2010). This form of communication can be through silence, eye contact, body language, facial expressions, and others. Detectives may observe some of these hints to determine whether a suspect is lying or telling the truth. Like mentioned previously, it also can show the sender how involved or interested a receiver might be in the …show more content…
In addition, other facial expressions can show the interest of a person. These include, but are not limited to, sweating, twitching, smiling, frowning, and eyebrow movements. Also there are several signals that body language can show one’s understanding or attentiveness. Posture can show if someone is interested in the message. There is a difference between observing someone who is slouching in a chair, and one who is sitting straight up with his or her back against a chair. A receiver’s arms and legs can show active listening or losing interest (fidgeting around). Other forms of body language might show different kinds of emotions: hand on chin (boredom), arms folded (angry), foot tapping (impatient), rubbing eyes (tired), and hands interlocked next to face (pondering). These are just a few examples. They can help one person in the communication gain insight into how the other is understanding what is being sent. These signals might not always be correct or the signals themselves might be