What if the human brain works in ways that Sigmund Freud began describing more than 130 years ago? A new scientific analysis suggests that some of his ideas about the mind share surprising similarities with one of the most influential theories in modern neuroscience. Published in the scientific journal Entropy, the paper explores connections between Freud's original theories, later developments in psychoanalysis, and a modern approach to brain research known as the prediction paradigm.
This approach describes the brain as a prediction machine. Rather than simply responding to information from the outside world, the brain is constantly anticipating what will happen next. It then compares those expectations with incoming information from the senses and works to reduce any differences between what it predicted and what actually occurred.
Scientists believe this ongoing process plays a central role in how people perceive their surroundings, make decisions, behave, and regulate emotions. Researchers Erik Stänicke, Bendik Hovet, and Line Indrevoll Stänicke, together with colleagues, argue that this modern understanding of brain function has important parallels with ideas that psychoanalysts have been developing for more than a century. "For over 130 years, psychoanalysis has developed psychological theories about how predictions take place at a subjective level, which cognitive neuropsychology is now studying at a physiological level." How Freud's Ideas Connect to the Predictive Brain Although neuroscience and psychoanalysis approach the mind differently, the researchers suggest that both may be describing related processes.
Neuroscience examines the physical mechanisms behind thought and behavior, often using mathematical models to explain how the brain processes information. Psychoanalysis, which grew out of Freud's work, focuses more on unconscious mental processes, emotional experiences, and the ways past relationships influence present behavior. In other words, one field investigates what happens inside the brain, while the other explores how those processes are experienced by the individual.
A particularly interesting connection involves the psychoanalytic concept of projection and the neuroscientific concept of prediction. In psychoanalysis, projection involves attributing feelings, intentions, or qualities to someone else. The researchers suggest that this resembles how the brain uses previously learned expectations to interpret new experiences.
"When we attribute qualities, intentions or feelings to other people, our brain shapes our experience of the world in line with established expectations," says Stänicke. For instance, someone who has repeatedly experienced rejection may become especially sensitive to signs that other people are rejecting them. Even an ambiguous remark or facial expression might be interpreted negatively because past experiences have shaped what the person expects.
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