Neural correlates of empathy in autism: a coordinate-based meta-analysis
**Technical Summary** This coordinate-based meta-analysis of fMRI studies reveals that while autistic and non-autistic individuals share a core empathy network, autism is characterized by a specific dissociation where affective empathy remains relatively preserved but cognitive empathy is altered. This is evidenced by reduced convergence in the rostral dorsomedial prefrontal cortex and an exploratory redistribution of neural processing within the mentalizing network (moving from the anterior medial hub toward a posterior lateral node in the right temporoparietal junction). Exploratory between-group analysis (p < .05, uncorrected) showed that non-autistic participants demonstrated significantly greater convergence than autistic participants in ten regions, while autistic participants showed greater convergence in only one region. These findings challenge the view that empathy is categorically impaired in autism. To ensure data integrity, an AI pipeline was used for advisory purposes, but final adjudication rested with a human reviewer; no coordinate or study-level value entered the analysis without human confirmation against the source article. **Plain-Language Summary (ELI5)** This study looked at many brain scans to see how autistic and non-autistic people process empathy. The results show that both groups share a similar "empathy network" in the brain. However, there is a difference in how they use it: while the ability to feel what others feel (affective empathy) stays mostly the same, the way they think about others' perspectives (cognitive empathy) looks different. Instead of empathy being "missing," the brain seems to shift its focus within the empathy network—moving away from the front part of the network toward the back part. An exploratory look at the data (using a threshold of p < .05, uncorrected) suggested that non-autistic people showed more consistent brain patterns in ten areas, while autistic people showed more consistency in only one area. These findings challenge the idea that autistic people lack empathy entirely. To make sure the results were accurate, a human expert checked every single piece of data against the original studies to confirm it was correct.
Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of a preprint that has not been peer-reviewed. It is not medical advice. Do not make health decisions based on this content. Read full disclaimer
To understand how we connect with one another, scientists often look at a mental skill called empathy. This is not just one thing, but a combination of two distinct abilities. The first is the automatic, gut-level feeling of what another person is feeling, like wincing when you see someone stub their toe. The second is the more deliberate work of figuring out what someone else is thinking or intending, a process that requires stepping outside your own perspective to imagine theirs. For decades, researchers have wondered how these abilities function in people with autism spectrum disorder, a condition defined by differences in social communication. The prevailing view has been that autistic people struggle with the second type—the mental work of understanding others—while the first type, the emotional resonance, remains intact. However, brain scans have often provided conflicting results, leaving the true picture unclear.
A team of researchers at the University of Haifa decided to cut through this confusion by gathering every available brain scan study on the topic and analyzing them together. They focused specifically on functional magnetic resonance imaging (fMRI), which measures brain activity by detecting changes in blood flow. By combining data from eleven different studies involving over four hundred participants, they created a much larger and clearer map of what happens in the brain during empathy tasks. Their goal was to see exactly which brain regions show consistent activity in autistic people versus non-autistic people. They used a method that looks for places where many different studies agree on the same location, rather than relying on the results of a single experiment. To ensure accuracy, the researchers used an AI pipeline to assist in data processing, but the final adjudication rested with a human reviewer; the AI's output was advisory only, and no coordinate or study-level value entered the analysis without human confirmation against the source article.
The researchers found that both autistic and non-autistic people share a core network of brain regions that activate when they are trying to understand others. This shared network includes areas at the back of the brain involved in self-reflection and areas on the side involved in processing social cues. This suggests that the basic machinery for empathy is present and working in autistic individuals. However, an exploratory analysis (p < .05, uncorrected) revealed differences in how this network is organized. In non-autistic people, a specific region in the upper middle part of the forehead, known as the dorsomedial prefrontal cortex, showed significantly greater convergence across studies. In the autistic group, this specific region did not show the same reliable pattern. Instead, the exploratory analysis (p < .05, uncorrected) showed that the autistic group showed greater convergence in only one region, located on the right side of the brain near the temple.
When the researchers broke the results down by the type of empathy, the distinction became even clearer. The brain activity related to the automatic, emotional sharing of feelings appeared largely preserved in the autistic group, overlapping significantly with the non-autistic pattern. The differences were concentrated almost entirely in the cognitive side of empathy, the part that requires mental effort to infer what someone else is thinking. The study suggests that the autistic brain does not lack the capacity for empathy; rather, the findings challenge the view that empathy is categorically impaired in autism. Instead of a total absence of ability, the results suggest a redistribution of activity within the mentalizing network. Rather than relying heavily on the front-center hub used by non-autistic people, autistic individuals showed greater convergence in a different part of the same mentalizing network, located further back and to the side.
The study also addressed a common debate about whether reduced empathy in autism is actually caused by a separate condition called alexithymia, which is a difficulty in identifying one's own emotions. While the researchers noted that only a few studies in their collection measured this, their results showed that the emotional sharing networks remained active in the autistic group, which aligns with the idea that the core emotional capacity is there. The most striking conclusion is that the brain differences are not a simple case of "less activity" everywhere. Instead, the autistic brain seems to redistribute its resources within the mentalizing network, moving away from the anterior medial hub toward a posterior lateral node. This provides a new perspective on how social information is processed. The researchers emphasize that these findings are based on a specific set of brain scan studies and that more work is needed to understand how these patterns play out in real-life interactions, but the map they have drawn offers a clearer view of the neural landscape of empathy in autism.
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