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Lobotomy: Definition, History and Risks

A lobotomy is a historical neurosurgical procedure in which connections in the frontal lobe of the brain were severed. It is now considered obsolete and ethically unacceptable.

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Things worth knowing about "Lobotomy"

A lobotomy is a historical neurosurgical procedure in which connections in the frontal lobe of the brain were severed. It is now considered obsolete and ethically unacceptable.

What Is a Lobotomy?

A lobotomy (also known as a leucotomy) is a neurosurgical procedure that was used during the 20th century to treat severe mental illnesses. The operation involved deliberately severing or destroying nerve pathways in the frontal lobe of the brain in order to alter the behavior and emotions of patients. The procedure is now considered obsolete and is no longer performed in modern medicine.

History and Development

The lobotomy was developed in the 1930s by Portuguese neurologist Antonio Egas Moniz, who was awarded the Nobel Prize in Medicine in 1949 for this work. In the 1940s and 1950s, American physician Walter Freeman gained worldwide attention for his so-called transorbital lobotomy, in which a sharp instrument was inserted through the eye socket wall into the frontal lobe. This method was quick to perform but was carried out without adequate anesthesia and under minimal sterile conditions.

Historical Indications

Lobotomies were historically performed for a wide range of mental conditions, including:

Schizophrenia
Severe depression
Anxiety disorders
Obsessive-compulsive disorder
Aggressive or socially non-conforming behavior

It is estimated that between 40,000 and 50,000 lobotomies were performed worldwide between the 1930s and 1970s, with more than 20,000 carried out in the United States alone.

Mechanism of Action

The goal of the procedure was to interrupt the connections between the prefrontal cortex and deeper brain structures, particularly the thalamus and the limbic system. It was believed that these pathways were responsible for intense emotional reactions and psychotic behavior. By severing these connections, patients were expected to become calmer and more manageable.

Risks and Side Effects

The lobotomy was associated with serious and often permanent side effects, including:

Personality changes and emotional blunting
Loss of motivation, initiative, and creativity
Memory and concentration problems
Epileptic seizures
Incontinence
In rare cases: death due to brain hemorrhage or infection

While many patients became calmer after the procedure, they simultaneously lost essential aspects of their personality and independence.

Criticism and Ethical Assessment

Criticism of the lobotomy grew steadily during the 1950s and 1960s. With the introduction of effective psychiatric medications such as chlorpromazine in 1952, the procedure quickly fell out of favor. Today, the lobotomy is regarded as a dark chapter in medical history. The lack of informed consent, imprecise indications, and severe long-term consequences stand in clear contradiction to modern medical ethics.

Modern Alternatives

Current treatments for severe mental illness include evidence-based approaches such as:

Psychopharmacotherapy (e.g., antipsychotics, antidepressants)
Psychotherapy (e.g., cognitive behavioral therapy)
Electroconvulsive therapy (ECT) for treatment-resistant conditions
Deep brain stimulation (DBS) as a modern, precisely controlled neurosurgical method

References

Shorter, E. - A History of Psychiatry. John Wiley and Sons, 1997.
Mashour, G. A., Walker, E. E., Martuza, R. L. - Psychosurgery: past, present, and future. Brain Research Reviews, 48(3), 409-419, 2005. PubMed PMID: 15914249.
Swayze, V. W. - Frontal leukotomy and related psychosurgical procedures in the era before antipsychotics (1935-1954): a historical overview. American Journal of Psychiatry, 152(4), 505-515, 1995.

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