Brain imaging shows cognitive reappraisal reduces sensory overload in autistic children

For many autistic children, the texture of a wool sweater or the sudden blare of a car alarm is not merely uncomfortable—it is acutely, sometimes unbearably distressing. This heightened sensitivity to everyday sensations, known as sensory over-responsivity, shapes how these children move through school, navigate family dinners, and form friendships. Yet despite how common the symptom is, treatments grounded in research have remained scarce.

A study from UCLA Health, published in the Journal of Child Psychology and Psychiatry, offers a potential path forward. Researchers tested whether a technique already embedded in cognitive behavioral therapy—a method called cognitive reappraisal—could dampen the brain's response to unpleasant sensations in autistic youth. The work involved 47 autistic children and adolescents, ages 8 to 15, alongside 45 typically developing peers. While lying in an MRI scanner, each participant had their forearm rubbed with deliberately uncomfortable textures: artificial grass, scratchy wool. The twist was in how they were asked to think about what they felt.

Before entering the scanner, the children learned what researchers called the "reporter game." The premise was simple: instead of noticing and reacting to how a texture felt, they would describe it as a journalist might—sticking to observable facts, stripped of emotional coloring. On some trials during the scan, they focused on their emotional response to the sensation. On others, they adopted the reporter's stance. The difference in their brains was measurable. When autistic participants engaged the reporter strategy, activity in the brain's sensory regions dropped significantly compared with trials where they attended to their feelings. Both groups showed increased activity in frontal brain areas involved in emotional regulation, though this effect was more pronounced in older autistic youth than younger ones.

Shulamite Green, the study's senior author and an associate professor of psychiatry and biobehavioral sciences at UCLA, framed the finding as a turning point. "For years we've been identifying what's happening in the brain," she said. "This is us finally getting to the point where we can test for possible treatments." The observation hints at a developmental pattern: typically developing children appear to recruit these frontal regulatory regions early, while autistic children may show a delay in developing this capacity—though the strategy itself seems accessible to them.

Yet the results carried a complication. While typically developing youth rated the textures as less unpleasant after using the reporter strategy, autistic participants did not report feeling better, even as their brain activity shifted. Green offered a plausible explanation: cognitive flexibility—the ability to shift how one thinks about something—may be more challenging for autistic individuals, making it difficult to change their rating of the same sensation within a short timeframe. A single scan session, she noted, cannot reveal whether sustained practice with the technique might eventually translate brain changes into felt relief.

What makes this finding practically useful is that cognitive reappraisal is not new. It is already a standard component of cognitive behavioral therapy, which means clinicians can fold it into existing treatment frameworks rather than developing something from scratch. Green emphasized this point: "We know cognitive behavioral therapy interventions work for anxiety and emotional responses, so there is no need to reinvent the wheel." The next phase of research will test whether the strategy, applied over weeks or months rather than a single session, can actually reduce sensory distress in the daily lives of autistic children. Until then, the study shows promise at the level of brain activity—but leaves open the question of whether that promise will translate into the kind of relief that matters most to the children and families living with sensory over-responsivity.