[Solved] Which idea offers an explanation for the existence of homosexuality based on Schachter's theory of emotion? A) Sternberg's triangular theory of love B) social constructionist theory C) the notion of "exotic becomes erotic" D) the Coolidge effect Chemical Messenger: Substances in the body such as hormones and neurotransmitters that transmit signals from one cell to another. Mood: A temporary state of emotion or feeling that can influence an individual's perception, behavior, and well-being. Sleep: Periodic, natural loss of consciousness—as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation. Dopamine: A neurotransmitter in the brain essential for the reward system, motivation, pleasure, and motor function.