Reading literary fiction measurably improves your ability to detect and understand other people's emotions, and the reason is a specific cognitive mechanism: literary fiction presents characters as psychologically incomplete, forcing you to infer their inner lives. That act of inference—psychologists call it Theory of Mind—is the engine behind the empathy effect. One narrative technique, free indirect discourse, shows exactly how a writer can build that engine into a sentence.
The Empathy Advantage of Literary Fiction
The headline evidence comes from psychologists David Comer Kidd and Emanuele Castano at the New School for Social Research, whose paper appeared in the journal Science in 2013. Across five experiments, roughly 1,000 participants were randomly assigned to read either extracts of popular fiction—bestsellers such as Danielle Steel's The Sins of the Mother and Gillian Flynn's Gone Girl—or more literary texts, including Téa Obreht's Orange Prize-winning The Tiger's Wife, Don DeLillo's story "The Runner," and work by Anton Chekhov. The Guardian's report on the study noted that empathy occurs "in the spaces between characters," and that is precisely where the experiment located it.
After reading, participants were tested with a variety of Theory of Mind techniques measuring how accurately they could identify emotions in others. Scores were consistently higher for those who had read the literary texts than for those given popular fiction or non-fiction. The distinction the researchers drew echoes Roland Barthes's separation of "writerly" writing, which demands the reader's co-creation, from "readerly" writing, which simply delivers its meaning.
How Literary Fiction Engages Your 'Theory of Mind'
Theory of Mind is the ability to infer what others believe, desire, and intend from incomplete external cues—the same skill you use daily to read a colleague's hesitation or a friend's forced smile. Kidd and Castano's argument is that literary fiction is a kind of simulator for this skill. Because its characters are rendered incompletely, the reader must fill the gaps. "What great writers do is to turn you into the writer," Kidd said. "In literary fiction, the incompleteness of the characters turns your mind to trying to understand the minds of others."
Popular fiction, by contrast, tends to hand you fully legible characters whose motives are stated or strongly signposted, leaving little interpretive work to do. The literary text withholds; the reader infers; the inference is practice. Patrick C. Hogan, writing for the University of Connecticut's Literary Universals Project, observes that Kidd and Castano's study did not isolate particular narrative techniques, though the authors speculated about fiction's "invitation to fill gaps through inferences." That gap-filling invitation is where a specific craft technique becomes interesting.
The Empathy-Building Pathway of Literary Fiction
The mechanism can be mapped as a three-stage pathway, drawn from the Kidd and Castano findings. Each stage feeds the next: a feature of the text sets a cognitive task, and the repeated performance of that task produces the measured outcome. Writers can locate their own choices on this pathway, and readers can use it to notice when a text is asking them to do interpretive work.
| Stage | What happens | Evidence basis |
|---|---|---|
| 1. Literary feature | Literary fiction presents characters with psychological complexity and incompleteness rather than fully explained motives. | Identified by Kidd and Castano as the key differentiator of literary fiction. |
| 2. Cognitive process | The reader engages Theory of Mind, actively inferring the character's beliefs, desires, and intentions from what the text withholds. | The study linked reading literary fiction to improved Theory of Mind scores across five experiments. |
| 3. Reader outcome | Repeated practice of this inference enhances empathy—measurably better accuracy in identifying others' emotions. | Literary-fiction readers consistently outscored popular-fiction and non-fiction readers on emotion-identification tests. |
Read the table as a causal sequence, not a checklist: stage one creates the conditions for stage two, and stage two is the workout that produces stage three. The pathway also explains why the effect is specific to literary fiction—the incompleteness is the trigger, and a text that explains everything removes it.
Understanding Free Indirect Discourse
Free indirect discourse—also called free indirect style, or discours indirect libre in the French critical tradition—is a way of narrating a character's thoughts or utterances that combines features of third-person report with features of first-person direct speech. Oxford's reference definition describes it as allowing "a flexible and sometimes ironic overlapping of internal and external perspectives." In practice, the character's first-person thoughts are written in the voice of the third-person narrator, so the two voices are effectively merged.
Writers.com's Sean Glatch calls it the "intimate third person," and the comparison with first-person narration clarifies why it matters. A first-person narrator conveys a worldview directly; free indirect discourse conveys that same interiority while keeping the narrator's frame, so the reader moves inside the character without being told they are doing so.
Free Indirect Discourse: A Tool for Empathy
What makes the technique an empathy instrument is the interpretive demand it places on the reader. Because narrator and character voices blur, the reader must actively sort out whose perspective is being rendered at any moment—and that sorting is Theory of Mind in miniature. Colin Mustful, writing at History Through Fiction, argues that when free indirect style is done effectively, "we are there with the character, seeing and feeling alongside her without realizing that someone is telling us a story," and that this engagement "is created which ultimately leads to an emotional response."
Glatch's analysis points the same direction: when a character's thoughts and feelings are embedded in the narrative, "we read them as though they were our own experiences." Hogan's survey of the field notes that empirical work by Fletcher and Monterosso has examined the impact of free indirect discourse specifically, alongside other empathy-relevant techniques. The synthesis is straightforward: the technique operationalizes the gap-filling that Kidd and Castano identified, converting character incompleteness into a structured act of reader inference.
Applying Empathy in Reading and Writing
Actively seek out and engage with literary fiction that presents complex, incompletely rendered characters, and for writers, consider employing techniques like free indirect discourse to foster deeper reader engagement and empathy. For readers, the payoff is the one the Science study measured: sharper accuracy in reading real people's emotions. For writers, the craft lesson is to trust the reader with gaps—resist explaining a character's motive when withholding it would force the reader to infer, and let a character's thoughts seep into the narration so the reader must decide whose mind they are inside.
The measurable indicator is increased personal awareness of character motivations and emotional states while reading, and feedback from readers indicating a strong connection to characters in one's own writing. One caveat belongs beside the enthusiasm: this account rests on the specific studies cited here, including Kidd and Castano's five experiments, and does not claim to settle every scientific question about fiction and empathy. But the pathway it traces is concrete enough to test on yourself: pick a literary text, notice where the text stops explaining, and watch your own mind start doing the work.
Sources
- Reading literary fiction improves empathy, study finds — the Guardian
- Free indirect speech - Wikipedia — EN
- Oxfordreference
- What is Free Indirect Discourse? Writing the "Intimate 3rd Person" — Writers.com
- Narrative Empathy: A Universal Response to Fiction? | Literary Universals Project | English Department
