The Parasite
Written by Arthur Conan Doyle
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About this book
This work by Doyle, Arthur Conan offers readers a unique literary experience. The narrative explores themes of horror tales and mesmerism.
Reading guide
Themes, characters and key ideas in The Parasite, written by Chaptra AI.
- about 4 hours
- intermediate
- dark
- psychological
- mysterious
Arthur Conan Doyle's "The Parasite" is a chilling psychological novella exploring the terrifying power of mesmerism and obsession. Narrated by Professor Austin Gilroy, a rational academic, the story details his reluctant yet growing subjugation to Miss Penclosa, a physically unassuming woman with extraordinary psychic abilities. What begins as a scientific curiosity quickly devolves into a nightmare of mental control, where Gilroy's free will is systematically eroded, leading to humiliating acts and a desperate struggle for autonomy. The novella delves into the dark side of the human mind and the dangers of unchecked influence, culminating in a tragic and unsettling climax.
“"There are certain persons who have a power over others. This power is not physical, but purely psychical. It is a power which can be cultivated, and which can be used for good or for evil."”
Key themes
- Control and Free Will
- This is the central theme, exploring the terrifying loss of personal autonomy. Professor Gilroy's struggle against Miss Penclosa's hypnotic control highlights the fragility of free will and the profound psychological damage inflicted when one's mind and body are no longer one's own. The narrative meticulously details the internal battle, making the loss of control palpable and horrifying.
- The Power of the Mind / Mesmerism
- Doyle uses mesmerism (hypnosis) as a vehicle to explore the hidden, and potentially dangerous, capabilities of the human mind. The story delves into the idea that certain individuals can wield immense mental power, not just to influence, but to completely dominate others. It taps into Victorian fascination with spiritualism and the unknown aspects of consciousness.
- Obsession and Desire
- The novella explores obsession on multiple levels. Gilroy's initial intellectual curiosity about Penclosa's powers quickly transforms into a terrifying, unwanted obsession as he becomes addicted to her influence, even as he loathes it. Penclosa, in turn, is obsessed with Gilroy, desiring to possess and control him completely, viewing him as her 'creature.' This dual obsession fuels the narrative's psychological intensity.
Worth discussing
How does Doyle use the first-person narrative to enhance the psychological horror of Gilroy's experience?
Chapter-by-chapter breakdowns, character arcs and the full thematic analysis come with a free account.
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