In 1943, one comrade of the Soviet army, Lev Zasetsky, returned from the war with a bullet fragment in his left brain hemisphere; when he woke up from the surgery in which the doctors tried to take the foreign object out, he saw that the world had changed: the letters ran away from each other in incomprehensible directions, his right parts felt alien to him, and the thoughts were slipping from his mind before he could grab hold of them. Over the next twenty-five years, with the help of the psychologist and neurologist Alexander Luria, Zasetsky meticulously penned a journal about his experience with a shattered mind (Luria, 1972).
His approach encapsulates the ethos of the psychologist: that studying an individualised, injured brain more closely could offer greater insight into the architecture of mind than a hundred separate, healthy brains. This article will address the question of who Alexander Luria was, what “romantic science” research design he used, who the two patients were that made him famous, and the theories about the brain that ground all of this.
A Psychologist Turned Neurologist
Alexander Luria began his professional life as a psychologist, working in tandem with Lev Vygotsky to found the “cultural-historical” school of psychology, which asserted that mental capacities in humans arose out of culture, rather than inborn biology (Vygotsky, 1978). When he later pursued a degree in medicine and a degree in neurology during the 1930s, it was in pursuit of a deeper understanding of how an individual’s brain injury impacted their lived world.
Luria was thus uniquely qualified to begin his life’s work analysing the minds of his contemporaries. With no neuroimaging technology to assist his efforts, he paired a psychologist’s close interview techniques with a neurologist’s anatomical knowledge, enabling him to associate particular behaviours and thought patterns with damaged regions of the brain (Souza-Couto et al., 2023). Moreover, he brought this cultural lens with him to fieldwork, notably spending the early 1930s investigating the Uzbek region to document how the lives of illiterate villagers transformed and their minds adapted after adopting Soviet schooling and collective farming (Luria, 1976).
The Case Study as Science: “Romantic Science”
For the past century, the field of psychology, and much of it in the present day, has emphasised studying large populations and averaging one’s results for greater statistical power. Luria, however, openly rejected the approach, choosing to pursue what he dubbed “romantic science.” Quoting his own work, he preferred to study the “manifold richness of the subject-matter” to the simplification implied by an averaged statistical trend.
To this end, he devoted long, serialised passages to discussing the mental workings and life history of one patient, analysing it from a psychologist’s viewpoint. Notably, Alexander Luria did not embrace the scientific method of case study analysis as some sort of eccentric philosopher’s solipsism. He believed that averaging the results of many people could actually obscure the uniqueness of each person’s psyche and the manner in which individualised brain damage impacted that psyche.
For instance, a patient’s memory or self-perception could deteriorate in a fashion unique to them that was not easily captured in an averaged metric, and only a detailed examination of that one person’s experience could begin to uncover the pattern specific to that individual. Luria’s two most famous books, The Mind of a Mnemonist (Luria, 1968) and The Man with a Shattered World (Luria, 1972), each contain numerous examples of patients whose lives had been uprooted by a brain injury, examined in exhaustive detail.
What Shereshevsky Taught Us About Memory
The first patient who came to the public eye after Luria’s descriptions was Solomon Shereshevsky, a man who, Luria claimed, had an uncanny memory. In the 1920s, when a newspaper editor learned that Shereshevsky never took notes at any meetings, since he could recall every item of conversation verbatim, a psychologist sent the case to Luria (Luria, 1968).
Over the decade, he documented the man’s extraordinary ability to remember lists of numbers or words well into the future after they had first seen them in his presence. Moreover, he was able to vividly retrace the circumstances under which he learned them, and, in addition, he experienced synaesthesia, a neurological disorder in which numbers, letters, and words are associated with taste, sight, and touch.
As Luria himself pointed out, the man’s gift did not come without cost. His memory was so complete, so devoid of natural forgetting mechanisms, that he often forgot what it was he was trying to remember at all. He could not forget faces, but each subsequent instance of encountering a person felt qualitatively different, and so he struggled to recognize any one face as being the same face.
He had similar issues with understanding figurative language, as Alexander Luria illustrated through a series of conversations with Shereshevsky, wherein the man became frustrated that his mind attempted to extract concrete, sensory meaning from every word he heard. The case study suggested that forgetting is a necessary part of learning to draw general, abstract meaning from one’s experience.
What Zasetsky Taught Us About the Self
Unlike Shereshevsky, whose case helped to illuminate the limits of human memory, Zasetsky’s injury represented the opposite extreme: the loss of normal functioning of the brain due to combat. The bullet fragment had entered his brain just behind the ear and exited the back of his head, damaging his left parieto-occipital lobe (Luria, 1972). As such, he was no longer able to read, judge the spatial extent of his body parts, and complete thoughts. His understanding and perception of the time flow was also disturbed, where the present and past had mingled and could not be told apart, with no certain point which marked a particular moment.
The most remarkable contribution of Zasetsky’s case, as well as the most remarkable aspect of the man himself, was that he retained a strong sense of his own motivations and self-identity, even as several actions that might have previously seemed automatic to him became extremely difficult. Over the twenty-five-year period of his rehabilitation, while he dictated several painstaking words to his assistant at a time, he composed a memoir of his experience titled I’ll Fight On. As such, the case study suggested that a person’s motivations, personality, and, by extension, their sense of self-identity were resilient properties that could outlast the loss of some particular cognitive abilities.
Building a Map of the Mind: The Three Functional Units
Beyond his individual patient case studies, Luria also made an important contribution. He built a larger theory of how the brain worked. To do this, he used the observations he had made. He formalised his ideas in the 1973 book The Working Brain. There, he theorised that the brain could be divided into three “functional units.” According to this theory, the units interacted with one another to produce thought and action.
Specifically, a person’s “regulatory” functions were governed by the brainstem and deep brain structures such as the reticular formation. In this way, they controlled a person’s overall level of arousal. The second, “receptive” function resided primarily in the parietal, temporal, and occipital lobes. Here, it performed the task of sensing and storing the information received from the world around the person. Finally, the “executive” function was located in the frontal lobes. As a result, it was responsible for planning and regulating behaviour. It did so based on the information the receptive function had gathered (Souza-Couto et al., 2023).
Luria’s model enabled him to precisely dissect the symptoms shown by his patients. For instance, injury to the receptive function could lead a person to misread the environment. It could also cause them to misinterpret the meaning of objects around them. On the other hand, damage to the executive function could prevent a person from successfully initiating or regulating behaviour. This was seen in Zasetsky’s inability to form coherent thoughts. More recently, scientists have attempted to validate and expand upon his theories using modern brain imaging technology. As a result, some of his anatomical divisions have been refined. However, the basic principles hold today (Kotik-Friedgut & Ardila, 2020).
Conclusion
Alexander Luria built a lasting legacy in the field of psychology by studying his patients as individuals. Shereshevsky demonstrated that forgetting was a vital component of memory. It allowed people to understand the general meaning of their experiences. In contrast, Zasetsky revealed that a person’s sense of self could persist. This was true even as specific abilities that had supported that sense were lost.
Luria himself developed the theory of the brain as three interconnected “functional units” based on his patients’ symptoms. Combined with this theory, his legacy continues to echo today. Moreover, it informs the field of neuropsychology. It also inspires clinicians to consider the individual experiences of their patients. This includes later figures such as the famous neurologist and writer Oliver Sacks (Sacks, 1987). The lesson that Luria offers his readers is one of actual practical use. In other words, sometimes the best way to understand the normal functioning of something is to observe how it breaks down. Above all, this observation must be done in detail.
References +
- Kotik-Friedgut, B., & Ardila, A. (2020). A. R. Luria’s cultural neuropsychology in the 21st century. Culture & Psychology, 26(3), 386–398. https://doi.org/10.1177/1354067X19861053
- Luria, A. R. (1968). The mind of a mnemonist: A little book about a vast memory. Basic Books. https://www.goodreads.com/book/show/428157
- Luria, A. R. (1972). The man with a shattered world: The history of a brain wound (Chapters 3, 9–10). Basic Books. https://mitpressbookstore.mit.edu/book/9780674546257
- Luria, A. R. (1973). The working brain: An introduction to neuropsychology. Basic Books. https://www.goodreads.com/book/show/428201
- Luria, A. R. (1976). Cognitive development: Its cultural and social foundations. Harvard University Press. https://lchcautobio.ucsd.edu/wp-content/uploads/2015/10/Cole-Forward-for-Luria-1976-Cognitive-Development.pdf
- Nell, V. (1999). Luria in Uzbekistan: The vicissitudes of cross-cultural neuropsychology. Neuropsychology Review, 9(1), 45–52. https://doi.org/10.1023/A:1025643004782
- Sacks, O. (1987). Foreword. In A. R. Luria, The man with a shattered world: The history of a brain wound (pp. vii–xvii). Harvard University Press. https://medhum.med.nyu.edu/view/202
- Souza-Couto, D., Bretas, R., & Aversi-Ferreira, T. A. (2023). Neuropsychology of the parietal lobe: Luria’s and contemporary conceptions. Frontiers in Neuroscience, 17, 1226226. https://doi.org/10.3389/fnins.2023.1226226
- Vygotsky, L. S. (1978). Mind in society: The development of higher psychological processes (M. Cole, V. John-Steiner, S. Scribner, & E. Souberman, Eds.) (Chapter 1). Harvard University Press. https://www.hup.harvard.edu/books/9780674576292
