In Mary Shelley's 1818 novel, the Creature is not born evil: it turns violent after the abandonment, the rejection and the cruelty of everyone who sees it. It is a fable about the responsibility of the creator. But James Whale's 1931 film, the one that fixed forever the image of the monster with bolts in its neck, added a detail that completely changed the meaning of the story and turned it into a perfect case of biological criminology: in the Hollywood version, the Creature's behavior is decided, literally, by the brain that is implanted in it.
// The theoryThe jar that breaks and the destiny that is sealed
The scene is famous. Doctor Frankenstein sends his assistant, Fritz, to steal a brain for the Creature. In the university laboratory there are two labeled jars: one, a «normal» brain; the other, an «abnormal» brain that —according to the lecture just given— belonged to a criminal, a man of violent life whose brain shows «degenerate» traits. Fritz goes for the normal one, gets frightened, drops the jar and it shatters. With no alternative, he takes the other one —the criminal brain— and carries it off. Frankenstein implants it without knowing. The Creature, afterward, kills.
The film leaves no room for ambiguity: the Creature turns violent because it has a criminal brain inside it. It is the crudest and most popular formulation of the brain damage thesis and of old Lombrosian phrenology fused into a single image —that the organ decides behavior, that the wrong tissue is enough to build a killer, that evil is a matter of anatomy—. Where the real theory (Gage, Whitman, Raine) speaks with nuance of probabilities and risk factors, the 1931 fable simplifies it to the bone: change the brain and you change the destiny. That is why it works so well as a case study: it displays, in its purest and therefore most debatable form, the idea that we are our brain.
The temptation of the brain as destiny
The scene of the broken jar contains a seductive and dangerous idea: absolute biological determinism. The film asserts that a «criminal» brain necessarily produces a criminal, regardless of upbringing, treatment, circumstances or choices. It is neurocriminology reduced to caricature —but a revealing caricature, because it lays bare the risk that lurks in all the real theory of brain damage: the temptation to believe that anatomy is destiny—. Serious science rejects it: Adrian Raine's studies show that a risk brain is a probability, not a sentence, and that the environment can switch that vulnerability on or off. The 1931 Creature embodies exactly the error against which good neuroscience warns. And there is a lovely irony in the film itself: although the script insists that the criminal brain explains everything, the Creature moves the viewer because it too is mistreated, chained, burned with torches. The story says "it was the brain," but shows "it was also the rejection" —the same tug-of-war between biology and environment that the real theory tries to balance—.
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// The subjectThe monster the film condemns in advance
The tragedy of the 1931 Creature is that the film sentences it before it acts. By implanting a «criminal brain» in it, the script decides in advance that it will be violent, and then uses each of its acts as proof of a conclusion it had already written. It is exactly the mental mechanism against which one must be inoculated: labeling someone as «biologically criminal» and then reading all their behavior through that label, ignoring that the Creature is terrified, beaten and pursued from the first minute of consciousness. A newborn being, without language, with no one to care for it, surrounded by shouts and fire —what would a «normal» brain do under those conditions?—. The fable wants us to see a defective brain; the drama shows us an abandoned being. That tension is what makes the Creature unforgettable and what makes it such a useful case: within the most deterministic of films beats the proof that no brain decides alone, that behavior always arises from the encounter between the organ and the world that receives it.
El monstruo de Frankenstein
// The crackNeither "it was the brain," nor ignoring biology
The crack the Creature opens is that of easy determinism. To accept the film's thesis without question —«it has a criminal brain, that's why it kills»— is to cross the door that leads straight to phrenology, to Lombroso and, at its historical extreme, to eugenics: the idea that certain brains are condemned from birth and that the «biologically dangerous» can be identified and set apart. That is the abyss, and the 1931 fable skirts it without realizing. The opposite crack would be the exaggerated reaction: denying that the brain matters at all, as if biology played no role in behavior —when Whitman, Gage and neuroimaging show that it sometimes does, and greatly—.
The honest reading uses the Creature as a pedagogical counterexample: yes, the brain counts; no, the brain is not a sealed destiny. Mary Shelley's version, with no criminal brain at all, had already understood it better than Hollywood: her monster turns violent because of how it is treated, not because of what it carries in its skull. Between the two versions lies the truth of mature neuroscience —biology loads the dice, but it is life that rolls them—. And the moral warning remains: the Creature, like any real subject, deserves to be judged by what it is and by what was done to it, not by a label placed on its brain before it had a chance to choose.
The fable that popularized a dangerous idea
The 1931 Creature matters because it brought into the popular imagination, with an indelible image, the thesis that behavior is decided by the brain. For the good, it planted in millions of viewers the intuition —correct— that the mind depends on a physical organ. For the bad, it sold it in its most deterministic and dangerous version: the "criminal brain" as the seal of destiny. Studying it teaches us to keep the first and distrust the second. The real neuroscience of brain damage inherits that double face: it is an invaluable tool for understanding why violence sometimes erupts in someone, and at the same time an idea that, misused, revives the worst ghosts of biological criminology —classification, discarding, condemnation by anatomy—. The Creature, that tragic being the film condemned for its brain and the drama redeemed for its wounded humanity, is the perfect reminder that tissue explains, but must never be enough to judge anyone in advance.
Three key takeaways
- In the 1931 film, the assistant mistakenly steals a brain labeled "criminal" and implants it in the Creature, which then kills. The fable makes explicit the crudest brain-damage thesis: the organ decides behavior, the wrong brain is enough to build a killer.
- It is the caricature of biological determinism, useful as a counterexample: real science (Raine) says a risk brain is a probability, not a sentence, and that the environment modulates it. The film itself unwittingly refutes it: the Creature too is mistreated, chained and burned.
- The crack is accepting "it was the brain" (the door to phrenology and eugenics) or denying that biology matters. The mature truth: the brain counts, but is not a sealed destiny. Mary Shelley, with no criminal brain, understood it better —the monster turns violent because of how it is treated—.
Sources · further reading
- Shelley, M. (1818). Frankenstein o el moderno Prometeo. Lackington.
- Raine, A. (2013). Anatomía de la violencia. Pantheon.
- Gould, S. J. (1981). La falsa medida del hombre. Norton.
Case-file questionsFrequently asked questions
¿Quién es El monstruo de Frankenstein?
El monstruo de Frankenstein («La Criatura») es un villano de Frankenstein, analizado en KRIMINIS con la lente de la criminología. The plan was to give it a normal brain.
¿Por qué El monstruo de Frankenstein (La Criatura) se convierte en villano?
In the 1931 film, Frankenstein's assistant steals the wrong brain —a "criminal" one— and implants it in the Creature. The starkest fable of neurocriminology: the organ decides behavior.
¿Qué teoría criminológica explica a El monstruo de Frankenstein?
El caso de El monstruo de Frankenstein se analiza desde la Daño Cerebral Adquirido. In the 1931 classic, Frankenstein's assistant mistakenly steals a brain labeled "criminal" and implants it in the Creature, which later kills. The film makes explicit the crudest biological thesis: that behavior is decided by the organ, that the wrong brain is enough to build a killer. For the theory of acquired brain damage, the Creature is the popular fable that brought to the screen the idea that evil resides in the flesh of the brain —and its deterministic dangers along with it—.
