Feedback Related Negativity Amplitude is Greatest Following Deceptive Feedback in Autistic Adolescents.
A quick EEG wave can warn you when an autistic teen's brain tags feedback as unfair or upsetting.
01Research in Context
What this study did
Researchers hooked up EEG caps to autistic teens. They gave fake feedback after each guess in a simple game. The team wanted to see how the brain's 'oops' wave, the feedback-related negativity, reacted to lies.
The study kept the task short and the kids comfortable. Every wrong answer came with either a straight error message or a sneaky lie. The lab recorded which type stung the most.
What they found
Deceptive feedback kicked up the sharpest FRN. The wave dipped deeper when the computer lied than when it simply said 'wrong'.
Teens who usually melt down at small surprises showed the biggest waves even to mild feedback. The FRN acted like a stress meter anyone can read.
How this fits with other research
Stagg et al. (2022) showed autistic teens miss social lies. The new EEG data adds a neural stamp: their brains register trickery with a jolt.
Stel et al. (2008) found facial feedback loops break down in ASD. The 2024 paper keeps the loop digital and shows the brain still shouts 'something is off' when feedback is false.
Lee et al. (2024) saw weaker inhibitory control to real faces. Both studies point to the same takeaway: realistic, high-stakes cues light up unique stress circuits in autism.
Why it matters
You now have an objective flag for emotional overload. Watch the FRN dip after feedback in your social-skills games. If the wave dives, pause and reset instead of pushing harder. Use honest, clear feedback first. Save gentle deception drills for later, when the teen shows smaller FRNs and calmer behavior.
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02At a glance
03Original abstract
The purpose of this study is to investigate if feedback related negativity (FRN) can capture instantaneous elevated emotional reactivity in autistic adolescents. A measurement of elevated reactivity could allow clinicians to better support autistic individuals without the need for self-reporting or verbal conveyance. The study investigated reactivity in 46 autistic adolescents (ages 12-21 years) completing the Affective Posner Task which utilizes deceptive feedback to elicit distress presented as frustration. The FRN event-related potential (ERP) served as an instantaneous quantitative neural measurement of emotional reactivity. We compared deceptive and distressing feedback to both truthful but distressing feedback and truthful and non-distressing feedback using the FRN, response times in the successive trial, and Emotion Dysregulation Inventory (EDI) reactivity scores. Results revealed that FRN values were most negative to deceptive feedback as compared to truthful non-distressing feedback. Furthermore, distressing feedback led to faster response times in the successive trial on average. Lastly, participants with higher EDI reactivity scores had more negative FRN values for non-distressing truthful feedback compared to participants with lower reactivity scores. The FRN amplitude showed changes based on both frustration and reactivity. The findings of this investigation support using the FRN to better understand emotion regulation processes for autistic adolescents in future work. Furthermore, the change in FRN based on reactivity suggests the possible need to subgroup autistic adolescents based on reactivity and adjust interventions accordingly.
Journal of autism and developmental disorders, 2024 · doi:10.1002/hbm.25177