SIGNALAI·May 29, 2026, 4:00 AMSignal75Medium term

Comparing Post-Hoc Explainable AI Methods for Interpreting Black-Box EEG Models in Depression Detection

Source: arXiv cs.LG

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Comparing Post-Hoc Explainable AI Methods for Interpreting Black-Box EEG Models in Depression Detection

arXiv:2605.28977v1 Announce Type: new Abstract: Recent advances in deep learning have enabled increasingly accurate electroencephalography (EEG)-based classification of Major Depressive Disorder (MDD), but the decision-making processes of high-capacity models remain difficult to interpret. This study investigates multiple post-hoc explainability methods applied to an InceptionTime architecture trained for EEG-based MDD detection. The analysis includes Shapley-based, gradient-based, and perturbation-based attribution approaches: DeepSHAP, Integrated Gradients, GradCAM, Occlusion, and Permutatio

Why this matters
Why now

The increasing sophistication of black-box AI models in critical applications like healthcare necessitates concurrent advancements in explainability to ensure trust and adoption.

Why it’s important

Understanding how AI models diagnose conditions like depression from complex data such as EEG is crucial for clinical acceptance, regulatory approval, and responsible AI deployment in medicine.

What changes

The ability to interpret and validate AI decisions in healthcare applications will accelerate their integration into clinical practice and potentially improve diagnostic accuracy and treatment selection.

Winners
  • · AI explainability researchers
  • · Healthcare AI developers
  • · Patients with MDD
  • · Neurology and psychiatry clinicians
Losers
  • · Black-box AI models without explainability
  • · Traditional diagnostic methods lacking objective biomarkers
Second-order effects
Direct

Improved trust and adoption of AI-powered diagnostic tools in mental health.

Second

Faster and more accurate diagnosis of conditions like MDD, leading to earlier intervention.

Third

Personalized treatment plans for neurological and psychiatric disorders based on explainable AI insights, potentially reducing trial-and-error approaches.

Editorial confidence: 85 / 100 · Structural impact: 60 / 100
Original report

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Read at arXiv cs.LG
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