What does modern psychology mean when it talks about the ‘heart’?

Eric L. Johnson is professor of Christian Psychology at Houston Baptist University. He taught psychology for 10 years at University of Northwestern and counseling for 17 years at Southern Baptist Theological Seminary. He was the first director of the Society for Christian Psychology and has been doing pastoral counseling for 20 years. Here he answers questions related to his talk "A Christian Psychology of the Heart – Biblical and Christian Grounds for a Psychology of the Heart," given at the 2022 European Leadership Forum.