José Manuel Rodríguez Delgado

José Manuel Rodríguez Delgado
José Manuel Rodríguez Delgado
Born	José Manuel Rodríguez Delgado (1915-08-08)August 8, 1915 Ronda, Málaga, Spain
Died	September 15, 2011(2011-09-15) (aged 96) San Diego, United States
Citizenship	Spanish
Education	Doctor of Medicine and Sciences
Alma mater	University of Madrid Cajal Institute
Occupations	Physician, physiologist, researcher, and professor
Employer(s)	Yale University Autonomous University of Madrid Ramón y Cajal University Hospital
Known for	Invention of the "stimoceiver", pioneering studies on electrical stimulation of the brain
Spouse	Caroline Stoddard Delgado
Children	José Carlos and Linda

José Manuel Rodríguez Delgado (August 8, 1915 – September 15, 2011) was a Spanish physician, professor, and researcher of physiology and neurobiology, internationally celebrated for his pioneering research in the electrical stimulation of the brain. His studies paved the way for modern techniques such as deep brain stimulation (DBS), which is currently used in the treatment of Parkinson's disease, epilepsy, and depression.

Biography

Early life and education

Rodríguez Delgado was born in Ronda, Málaga (Spain) in 1915. He initially intended to follow in his father's footsteps and specialize in ophthalmology, but the influence of Nobel laureate Santiago Ramón y Cajal led him to become interested in studying the brain.

He enrolled in the Faculty of Medicine at the University of Madrid in 1933 to study medicine and physiology. He completed his doctoral thesis in 1936, but shortly before the end of his studies, the Spanish Civil War broke out, during which he served as a field doctor for the Republican faction under the tutelage of Juan Negrín. Following the victory of the Nationalist faction, he spent five months in a concentration camp before finally being able to validate and obtain his doctoral degrees in Medicine and Sciences cum laude at the Cajal Institute in Madrid. Between 1942 and 1950, he carried out his early neurophysiology research on electrical stimulation in animals, publishing several articles.

Career at Yale and the development of the "stimoceiver"

In 1946, he received a fellowship to Yale University, where he found extensive research facilities that contrasted with the lack of interest in science in Spain at the time, leading him to remain affiliated with the institution for twenty-two years. He was formally invited in 1950 by the prestigious physiologist John Fulton to join the physiology department. Fulton was a pioneer in research that inspired the application of the prefrontal lobotomy, a medical practice that caused great ethical rejection in Delgado due to its mutilating nature. Instead, the Spanish scientist argued that electrical stimulation of specific areas of the brain was a superior and less invasive method to treat certain pathologies. Following Fulton's death, Delgado succeeded him as director of research, assuming the professorship of Physiology in 1966.

At Yale University, Delgado invented and perfected the "stimoceiver" in the 1960s. It was a small radio transmitter device with electrodes implanted in the brain that allowed for brain stimulation and recording by remote control across several channels. In 1952, anticipating similar trials, Delgado began clinical tests at a psychiatric institution in Rhode Island using this technology on humans to treat chronic patients suffering from intractable schizophrenia or epilepsy who lacked effective alternative treatments.

He empirically demonstrated that stimulating the brain, in addition to influencing autonomic, somatic, and motor behavior, could induce psychological manifestations such as anxiety, aggression, euphoria, or therapeutic relief. As Delgado himself documented at the time: "Radio stimulation of different points in the amygdala and hippocampus in patients produced a variety of effects, including pleasant sensations, elation, deep, thoughtful concentration, odd feelings, super relaxation, colored visions, and other responses." Delgado argued that brain transmitters could remain in a person's head for life and be activated externally via radio frequencies.

Animal experiments and the fighting bull

His research on aggression and social behavior led him to conduct numerous implant experiments on animals. In the 1960s, he led a study with a colony of free-ranging gibbons and chimpanzees on Hall Island, in Bermuda, in collaboration with Clarence Ray Carpenter, where he managed to modulate the dominant male's aggressiveness through remote stimulation. He also conducted extensive research on felines, eliciting "sham rage" or directed aggressive attacks by stimulating the anterior or lateral hypothalamus, respectively.

His most media-celebrated experiment, often known as the "remote-controlled bull", took place in the summer of 1964 in Córdoba (Spain), at the "La Alamirilla" estate. Interested in the Spanish Fighting Bull due to its athletic nature and artificially selected aggression, Delgado surgically implanted fine electrodes into the brains of several animals under anesthesia. Facing a fully charging 250 kg (550 lb) bull named "Lucero", Delgado stood in the bullring equipped only with a small radio transmitter. When the animal was just a few meters away from him, he pressed a button that sent an electrical signal (100 Hz, 1 mA) directly to the animal's caudate nucleus and thalamus. The bull stopped its charge dead in its tracks and stood pacified. The success of this trial made the front page of The New York Times on May 17, 1965, and consolidated the scientist's worldwide fame, while simultaneously fueling an intense ethical and public debate about the implications of "mind control".

Controversies and the Cold War

In 1969, Delgado published his book Physical Control of the Mind: Toward a Psychocivilized Society, in which he philosophically speculated that brain control could help eliminate the causes of aggression and build a less cruel society. While his intentions stemmed from a philosophy of peace motivated by his experiences in the civil war and the horrors of the 20th century, his vision clashed head-on with the libertarian spirit of the 1960s and 1970s.

He came under the scrutiny of American public opinion following the revelation of scandals linked to CIA espionage and psychological manipulation programs such as Project MKUltra. Delgado was accused of indirectly collaborating with these projects, especially for having received funding from the Department of the Navy and the Air Force for the development of some laboratories. He participated as a research associate in the so-called "Project Pandora", which studied the effect of electromagnetic modulations on physiology and control in stressful military battlefield situations. Although he systematically denied his direct involvement in secret programs to manipulate political dissidents (stressing that brain stimulation could not create intentions or insert complex ideologies), the growing political opposition in the United States toward "psychosurgery" precipitated the end of his research in North America.

Return to Spain and later years

Facing a hostile climate in North American institutions and regulatory debates before the US Congress, Rodríguez Delgado found a new horizon in his home country, attracted by an exciting project from the prestigious neurosurgeon Sixto Obrador. He returned to Spain in the early 1970s (sources place his return between 1972 and 1974). He first joined the Physiology department of the newly opened Autonomous University of Madrid, holding the professorship of the specialty, and later became the director of the Research department of the newly created Ramón y Cajal Center. There he attracted several researchers who would form part of the foundations of modern Spanish neuroscience. He was active as a researcher, authoring more than 500 scientific articles, and acting as a mentor until his retirement.

In 2004, Rodríguez Delgado and his wife, Caroline Stoddard, moved back to the United States, settling in San Diego, California. He died on September 15, 2011, at the age of 96, surrounded by his children José Carlos and Linda. He achieved what he called a "happy death", in accordance with the principles and philosophy that guided his final stage of life and his book La felicidad (1988).

Legacy and scientific contributions

Although his figure attracted controversy during the 1970s, modern medical perspective values Rodríguez Delgado as a visionary precursor to neuroengineering and neuromodulation therapies. The psychiatric drug-based approach initially eclipsed electrical stimulation (aided by the success of compounds like chlorpromazine). However, decades after his experiments, the implantation of electrodes to treat patients refractory to biochemical treatment (such as the brain pacemaker and deep brain stimulation) has become a standard neurological practice. In addition, his foundations established conceptual precepts exploited today by emerging disciplines in contemporary neuroscience such as optogenetics.

One of his great scientific dreams was to establish a direct communication between the mind and the computer. His postulates were ahead of their time, anticipating the current development of brain–computer interfaces that today allow, for example, paraplegic patients to operate robotic arms and other devices with their thoughts.

In the philosophical realm, Rodríguez Delgado reflected deeply on the human condition and the improvement of society through brain knowledge. In his writings, he went so far as to state that "human happiness is a relative value that depends on the mental interpretation of the reality that surrounds us. If we understand mental mechanisms it will be easy to find happiness and decrease unnecessary suffering."

Awards and recognition

• Ramón y Cajal Award in 1952.
• Named a Guggenheim Fellow in 1963.
• Gold Medal Award from the Society of Biological Psychiatry in 1974.
• Rodríguez Pascual Award in 1975.
• Member of the New York Academy of Sciences.
• Member of the European Brain and Behaviour Society.
• Favorite Son of the Province of Málaga on March 19, 1996.

Selected works

• Physical Control of the Mind: Toward a Psychocivilized Society (1969)
• La felicidad: Dónde se siente y cómo se alcanza. Cómo cultivar y alimentar la felicidad personal (1988)
• Mi cerebro y yo: Cómo descubrir y utilizar los secretos de la mente (1994)

In popular culture

• His name and work have been cited by author Tom Wolfe in novels such as The Bonfire of the Vanities and I Am Charlotte Simmons. He is also mentioned in literary works by British writer Frederick Forsyth.
• Scientist Michael Crichton partially based his 1972 clinical science fiction novel, The Terminal Man, on the trials of Delgado and his collaborators.
• Astrophysicist and science communicator Carl Sagan echoed his research on primate behavior in his acclaimed book The Dragons of Eden.
• In his hometown of Ronda, Málaga, the Doctor Rodríguez Delgado Secondary Education Institute (IES) was named in his honor, as was a street in the Malaga municipality.

See also

• Mind control
• Electroencephalography
• Deep brain stimulation
• History of medicine

External links

• Favorite Son of the Province of Málaga (in Spanish)
• Article dedicated to the biography and figure of Rodríguez Delgado (in Spanish)
• Brief New York Times report on the public experiment with a bull
• Brief excerpt from a television report dedicated to him (in Spanish)
• Lecture series by Rodríguez Delgado at the Juan March Foundation, titled: "Physical Control of the Mind and Human Creativity" (audio) (in Spanish)
• IES Dr. Rodríguez Delgado (in Spanish)
• Biographical sketch of Professor Rodríguez Delgado (in Spanish)
• Biography of Rodríguez Delgado in Project Nosman
• Documents at deRonda (in Spanish)
• Photographs at deRonda (in Spanish)