sentences:  The sender's overt (and covert) communications are affected by the overt and covert communications of the receiver, and vice versa.Intentional deception requires greater cognitive exertion than truthful communication, regardless of whether the sender attempts falsification (lying), concealment (omitting material facts) or equivocation (skirting issues by changing the subject or responding indirectly).IDT explores the interrelation between the sender's communicative meaning and the receiver's thoughts and behavior in deceptive exchanges.