Summary:
A neuroimaging and behavioral study published in The Journal of Neuroscience identifies why many autistic individuals struggle to adapt to shifting environmental demands. Researchers from Nottingham Trent University and The Hebrew University of Jerusalem discovered that individuals on the autism spectrum display significantly weaker neural responses to negative feedback and reduced sensitivity to internal decision confidence. This dual blunting of external correction and internal certainty impairs dynamic behavioral updating.
Key Facts:
- Attenuated Neural Error Response: Electrophysiological recordings revealed that autistic adults show significantly dampened neural responses to explicit negative feedback compared to neurotypical controls during auditory discrimination tasks.
- Blunted Confidence Integration: Unlike neurotypical participants, whose feedback processing and subsequent decisions were strongly modulated by task difficulty and subjective certainty, autistic participants demonstrated lower sensitivity to fluctuations in decision confidence.
- Absence of Success Bias: Neurotypical participants systematically adjusted their subsequent choices following easy, successful trials; autistic participants were less biased by preceding easy trials, indicating distinct feedback-incorporation strategies.
Source: Society for Neuroscience (SfN) / Nottingham Trent University / Hebrew University of Jerusalem
A core characteristic of autism spectrum disorder (ASD) involves difficulties in cognitive flexibility—the capacity to seamlessly modify behaviors, expectations, and strategies in response to dynamic, unpredictable changes in the environment. While rigidity and insistence on sameness have traditionally been evaluated through behavioral observations, the computational and neurobiological mechanisms governing how the autistic brain evaluates decision outcomes have remained unclear.
Now, a collaborative study led by Nathaniel Zuk, PhD, at Nottingham Trent University, and Jaroslav Slobodskoy-Plusnin, PhD, at The Hebrew University of Jerusalem, alongside researchers from University College London, sheds light on the cognitive architecture of adaptation.
Publishing in The Journal of Neuroscience (JNeurosci), the team demonstrated that reduced behavioral adaptability in autism stems from an underlying attenuation in how the brain processes both external performance feedback and internal confidence cues.
Tracking Neural Responses to Negative Feedback
To explore how the brain integrates outcome evaluations, the research team recruited autistic and neurotypical adult participants to complete a perceptual pitch discrimination task. Across repeated trials, participants were required to detect subtle frequency shifts between auditory tones and immediately received visual feedback confirming whether their responses were correct or incorrect.
Simultaneous neurophysiological monitoring focused on event-related neural potentials specifically tied to outcome evaluation and performance monitoring.
The electrophysiological data revealed a significant group divergence: participants with autism exhibited significantly attenuated neural amplitudes in response to negative performance feedback compared to non-autistic peers. When errors occurred, the autistic brain generated a weaker neurophysiological error signal, suggesting that corrective environmental inputs are registered with less biological salience.
Decoupling Decision Confidence From Behavioral Updating
In everyday life, external feedback is interpreted alongside internal subjective states—specifically confidence. When a person feels absolute certainty about a decision but is proven wrong, the brain typically generates a substantial prediction error, driving rapid behavioral reassessment. Conversely, unexpected feedback on a perceived guess carries less informational weight.
The researchers tested whether these internal metacognitive signals modulate feedback differently in autistic individuals by systematically altering the difficulty of the pitch discrimination trials.
In neurotypical participants, task difficulty and subjective confidence profoundly shaped both feedback-evoked neural responses and subsequent performance. After succeeding on easy trials, neurotypical individuals displayed a pronounced perceptual bias, anchoring their subsequent choices to the pitch relationships of the preceding easy trial.
Autistic participants, however, showed minimal behavioral modification following easy trials. Their performance remained largely uninfluenced by shifting trial difficulty or subjective confidence levels, demonstrating that the dynamic interplay between internal certainty and external feedback is decoupled.
The Dual-Feedback Deficit in Cognitive Flexibility
“According to the researchers, this work supports the idea that autism may reduce the sensitivity of individuals to both external (‘You are incorrect.’) and internal (‘I feel confident about my choice.’) feedback about decisions they make,” the study highlights.
Because adaptive decision-making requires continuously calibrating internal predictions against external outcomes, a blunted sensitivity to both signals creates substantial barriers in fast-changing social and sensory environments. If the brain does not register error signals or calibrate them against internal confidence, it cannot efficiently recalibrate future behavioral responses.
Moving forward, the researchers plan to investigate the localized cortical circuitry mediating these outcome dynamics, specifically targeting the anterior cingulate cortex (ACC), a frontal brain structure critical for conflict monitoring, error-related negativity, and reinforcement learning.
Understanding how the anterior cingulate cortex evaluates outcome contingencies may provide targeted computational frameworks for supporting autistic individuals during complex educational, vocational, and social transitions.
Editorial Notes:
- This article was edited by a Neuroscience News editor.
- Journal paper reviewed in full.
- Additional context added by our staff.
About this neurotech and schizophrenia Research:
- Media Contact: SfN Media
- Source: SfN
- Image Credit: Image credited to Neuroscience News
- Original Research is Open Access: Journal of Neuroscience (Oct 26, 2026). “Neurocognitive Characteristics of Perceptual Feedback Processing Differ in Autism.” Authors: Nathaniel J. Zuk, Jaroslav Y. Slobodskoy-Plusnin, Yarden Weiss, VishnuPriya Sampath, Kira M. Düsterwald, Athena Akrami and Merav Ahissar.
- DOI: 10.1038/s41593-026-02490-y
Abstract
Neurocognitive Characteristics of Perceptual Feedback Processing Differ in Autism
Autistic individuals often show reduced adaptation to changing environmental demands, but the neurocognitive mechanisms underlying this difference remain unclear. We asked whether it may be explained by reduced sensitivity to external feedback and changes in task difficulty.
Autistic and non-autistic adults of either sex, matched for cognitive ability, performed a pitch discrimination task in which their response was immediately followed by feedback.
Accuracy was similar between the two groups, yet autistic participants exhibited a markedly reduced feedback-related negativity (FRN), an event-related EEG potential differentiating explicit negative versus positive feedback. They also showed weaker modulation of feedback-evoked EEG responses by perceptual difficulty.
Lastly, they showed reduced trial-by-trial behavioral updating of perceptual bias following recent correct and easy trials. These effects were replicated in a follow-up experiment conducted 1–2 years later.
When combined they classified autistic and non-autistic participants with about 80% accuracy. Together, our findings indicate that multiple processes for evaluating perceptual decisions and adjusting subsequent behavior differ in autism and likely contribute to slow updating in changing contexts.
