Imagine living with a pain so relentless and complex that it defies description, yet it’s your constant companion. For those with sickle cell disease, this is their reality—a reality often misunderstood by clinicians who rely on simplistic pain scales. But what if there was a way to truly see and understand this pain? A groundbreaking study from Carnegie Mellon University’s Wood Neuro Research Group is doing just that, using cutting-edge brain imaging and a revolutionary app to decode the intricate language of pain in the brain. Published in The Journal of Pain, this research isn’t just a scientific breakthrough—it’s a bridge between patients and providers, validating experiences long ignored.
Traditional pain scales, as Joel Disu, the study’s lead author and biomedical engineering Ph.D. student, explains, ‘only scratch the surface.’ They reduce a deeply personal, multifaceted experience to a single number, often missing the mark entirely. ‘We wanted to go deeper,’ Disu says, ‘to see how pain manifests in the brain when people describe it in a way that feels authentic to them.’ And this is where it gets exciting: the team turned to Painimation, a novel app developed by Dr. Charles Jonassaint at Emory University. Instead of asking patients to rate their pain on a 1-to-10 scale, Painimation invites them to use animated visuals to describe what their pain feels like—throbbing, stabbing, cramping, or shooting. It’s a game-changer.
But here’s where it gets controversial: Can an app truly capture something as subjective as pain? The researchers say yes—and the data backs them up. Using ultra-high-resolution MRI scans, they compared brain connectivity patterns in 27 sickle cell patients and 30 healthy participants, focusing on three key networks linked to pain perception: the default mode, salience, and somatosensory networks. The results? Sickle cell patients showed significantly reduced connectivity across all three, particularly in regions tied to emotion, attention, and sensory processing. When these findings were linked to participants’ Painimation descriptions, a striking pattern emerged: descriptors like ‘cramping’ and ‘stabbing’ correlated strongly with changes in the somatosensory network, the brain’s hub for processing physical sensations. And here’s the kicker: patients who described these sensations as more intense showed even greater disruption in those regions.
‘This is a foundational step toward developing objective pain biomarkers,’ Disu explains. ‘We’re beginning to see, in real time, how the quality and intensity of pain map onto the brain.’ And this is the part most people miss: this isn’t just about science—it’s about trust. Pain in sickle cell disease is frequently misunderstood, leading to mistrust between patients and providers. Many patients avoid seeking care, fearing dismissal, high costs, or being labeled as drug-seeking. This research changes that. ‘Our work helps visualize what has long been invisible or ignored,’ says Sossena Wood, assistant professor of biomedical engineering at Carnegie Mellon. ‘It validates patients’ experiences with neuroscientific evidence, showing that their pain is real, measurable, and rooted in brain function.’
The implications are vast. Painimation is already being adopted by sickle cell communities nationwide, helping clinicians better interpret pain experiences. But the team isn’t stopping there. They’re exploring how tools like virtual reality and wearable sensors might one day modulate or even reduce pain through targeted brain stimulation. Here’s the question we leave you with: Could this be the future of pain management—not just for sickle cell disease, but for chronic pain conditions across the board? Let us know what you think in the comments.
For more details, refer to the study: Joel Dzidzorvi Kwame Disu et al, Nociceptive and neuropathic pain descriptors in adults with sickle cell disease are associated with overlap activity in the default, salience and somatosensory networks, The Journal of Pain (2025). DOI: 10.1016/j.jpain.2025.105532.
