According to scientist and author Christof Koch,
… modern research exploring the content of dreams of healthy subjects, as well as dreams of patients suffering from trauma … make clear that most of our dreams contain residue from our daily concerns and events — interrupted by seemingly random episodes either imagined or recalled and woven into the narrative tapestry. There is usually clear continuity between dream content and waking conceptions: People who are anxious have anxiety dreams; victims of trauma have flashbacks or recurrences of their traumatic experiences. Sometimes we express sexual longing for somebody — but that hardly requires decoding. By and large, dreams do not disguise our desires but rather express our concerns in a readily understandable and coherent manner.
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Christof Koch is chief scientist and president of the Allen Institute of Brain Science, and the author of the forthcoming book The Feeling of Life Itself: Why Consciousness Is Widespread but Can’t Be Computed.
See “Five myths about consciousness” by Christof Koch, The Washington Post, July 26, 2019.