From Clouds to the Brain. Celine Cherici
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Название: From Clouds to the Brain

Автор: Celine Cherici

Издательство: John Wiley & Sons Limited

Жанр: Физика

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isbn: 9781119779506

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СКАЧАТЬ the nerves existed in a continually active state. Luigi Galvani’s connection between electrical and nervous impulse and Johannes Müller’s law of specific energies both emphasized the extent to which the body could be understood via analogy with machines powered by imponderable forces. [GRE 02, p. 82]

      The history of electricity ranges from sensationalism to the moral control of the instincts that lie dormant in every person. From the representation of internal electricity as an indispensable ingredient of life to external electricity applied to moral disorders, we pass from the myth of Frankenstein to that of Hyde between 1803 and 1840. Carpenter (1813–1885) assumed that society was anxiety-provoking, disrupting the links between body and mind, leading to nervous diseases related to the eruption of uncontrollable behavior on the surface of the brain and nerves [CAR 46]. Critical of phrenological localizations, he developed a dynamic and functional brain model, ranging from the most automatic brain layers to those most likely to generate free will. His representations of an organic and hierarchical human nature were based on the evolutionary model developed by Jackson:

      On both comparative and anatomical issues he highlighted phrenology’s flaws, and presented an alternative physiology of the mind rooted in anatomical considerations. The human mind was split not into faculties but into levels: automatic reflexes, which were the most basic; instinctual behaviour, of only limited psychological function; and consciousness, the highest level, which was anatomically located in the cerebral cortex. While all cerebral control of the body was mediated in the same way, through the reflex machinery Hall elucidated, there was a key difference between purely reflex and volitional actions, as the latter were dependent on the action of the will. The highest level, consciousness, interacting through the highest centres of the brain, was constituted and acted as a whole: this was the indivisible and non-material aspect of the human mind. [FIN 12b, p. 45]

      We used to explain electricity in relation to matter; now we are trying to explain matter in electrical terms. Could not electricity now be understood through the much more subtle manifestation of a psychic energy that has perhaps always been beyond the reach of research in physics, but in which we live, move and have our being? [CRI 38, p. 187, author’s translation]

      After 1840, it became the guarantor of cerebral security by participating in the psychiatrization of moral disorders. Analogies with machines served as theoretical materials for understanding the electrical functioning of the nervous system. At the morpho-functional level, the nerves were considered like electrical wires and conducted instructions from the mind to the body, even if they were recalcitrant. It is in this context that Thomas Laycock’s cerebral-moral considerations on electrical control [LAY 40] came into play:

      Thomas Laycock concurred that electricity could prove to be the therapy of choice in treating hysterical women. Electrotherapy could return to normality the bodies of those whom hysteria had transformed from ‘the gentle, truthful and self-denying woman’ into victims of ‘insane cunning, destructiveness, infanticidal impulses, morbid appetites, etc.’. [RHY 02, p. 105]

      And it is clear, too, that the primary or essential phenomena of electricity, chemical affinity, heat, light, and even gravity, are just as much beyond the reach of observation as those of mind […]. There is an important difference; however, in favor of mental phenomena in this respect, in the fact that they are in immediate relation with our consciousness, whereas those of all other forces are only in a mediate relationship. [LAY 63, p. 169]

      As early as 1840, several representations were at work in the description of the links between the nervous system, consciousness, hysteria and electricity: on the one hand, the woman was considered as the potential victim of her emotions; on the other hand and in a less obvious way, electricity was conceived as the coercive treatment of hysterical disturbances:

      The consequences of all this is, the young female returns from school to her home a hysterical, wayward capricious girl; imbecile in mind, habits and pursuits; prone to hysteric paroxysms upon any unusual mental excitement. [LAY 40, p. 142]

      He argued for restoring communication between the nervous system and the body through galvanization. Gray matter was compared to a galvanic cell in which an electric current was generated, while white matter was like the electric wires of telegraphs that conducted current within the body. Hysteria was the catalyst for these concerns to the extent that:

      Nervous illness, hysteria is movement, excessive movement of body and mind. It has always been said that the hysterical person is unstable, capricious, irregular, that she gives in to ‘fantasy’. Pathological because it is too representative (‘more woman than other women,’ it is often said), this hysterical woman ‘changes ideas and feelings with inconceivable speed’. [BAC 12, p. 167, author’s translation]

      Electricity not only provided a dynamical physical mechanism that explicated the link between mind and matter, morality and nature, but also served as a tool that allowed the doctor to intervene directly and correctly regulate the imbalances in the female physiological machine. [RHY 98, p. 245]

      Laycock presented galvanic medicine as a solution to a social and moral problem relating to the normalization of women. While his arguments concerned the British context, we nevertheless find this medical imagining in the developments of war psychiatry or more generally in the history of electric shock therapy. Using the case of women, Laycock explored the possibility СКАЧАТЬ