Which of these describes communication involving only one person, such as talking out loud to onesell "conversation" in one's head? interpersonal communication relational communication interrelational communication impersonal communication intrapersonal communication Which of these describes communication involving only one person, such as talking out loud to onesell "conversation" in one's head? interpersonal communication relational communication interrelational communication impersonal communication intrapersonal communication Which of these describes communication involving only one person, such as talking out loud to onesell "conversation" in one's head? interpersonal communication relational communication interrelational communication impersonal communication intrapersonal communication