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app.py

@@ -115,12 +115,22 @@ def run_gcn(file_path: str | None) -> tuple[str, str]:
         p = torch.softmax(logits, -1)[0, 1].item()
         per_model.append((site, p))
 
-    p_mean  = float(np.mean([p for _, p in per_model]))
-    label   = "ASD" if p_mean > 0.5 else "Typical Control"
-    conf    = max(p_mean, 1 - p_mean) * 100
+    p_mean    = float(np.mean([p for _, p in per_model]))
     consensus = sum(1 for _, p in per_model if p > 0.5)
+    conf      = max(p_mean, 1 - p_mean) * 100
 
-    gcn_out = f"Prediction  : {label}\n"
+    if p_mean > 0.6:
+        label = "ASD"
+        status = "HIGH CONFIDENCE"
+    elif p_mean < 0.4:
+        label = "Typical Control"
+        status = "HIGH CONFIDENCE"
+    else:
+        label = "Inconclusive"
+        status = "LOW CONFIDENCE — CLINICAL REVIEW RECOMMENDED"
+
+    gcn_out  = f"Prediction  : {label}\n"
+    gcn_out += f"Status      : {status}\n"
     gcn_out += f"Confidence  : {conf:.1f}%   (p_ASD = {p_mean:.3f})\n"
     gcn_out += f"Consensus   : {consensus}/4 site models\n\n"
     gcn_out += "Per-model breakdown:\n"
@@ -129,7 +139,6 @@ def run_gcn(file_path: str | None) -> tuple[str, str]:
         lbl = "ASD" if p > 0.5 else "TC "
         gcn_out += f"  {site:>4}  {lbl}  {bar}  {p:.3f}\n"
 
-    # Clinical interpretation stub — replaced by fine-tuned Qwen2.5-7B on AMD MI300X
     asd_features = [
         "Reduced DMN coherence (mPFC ↔ PCC)",
         "Atypical salience network lateralization",
@@ -145,8 +154,9 @@ def run_gcn(file_path: str | None) -> tuple[str, str]:
         "Cerebellar–cortical coupling within expected range",
     ]
 
-    report = f"## Clinical Connectivity Summary\n\n"
+    report  = "## Clinical Connectivity Summary\n\n"
     report += f"**Overall**: {label} ({conf:.1f}% confidence, {consensus}/4 site consensus)\n\n"
+
     if p_mean > 0.6:
         report += "**Key Findings**:\n"
         for f in asd_features[:3]:
@@ -161,8 +171,12 @@ def run_gcn(file_path: str | None) -> tuple[str, str]:
         report += "\n**Cross-Site Consistency**: Typical connectivity profile confirmed "
         report += f"by {4 - consensus}/4 independent site models.\n\n"
     else:
-        report += "**Indeterminate**: Mixed connectivity profile near ASD–TC boundary. "
-        report += "Heightened clinical scrutiny recommended.\n\n"
+        report += "**Inconclusive — Clinical Review Required**\n\n"
+        report += "Connectivity pattern falls near the ASD–Typical Control boundary. "
+        report += f"Model disagreement ({consensus}/4 site models predict ASD) indicates "
+        report += "insufficient confidence for an automated call.\n\n"
+        report += "**Recommended action**: Refer for full neuropsychological evaluation "
+        report += "(ADOS-2, ADI-R) and structural MRI review.\n\n"
 
     report += "*This report is AI-assisted and does not constitute a diagnosis. "
     report += "Full clinical assessment required.*\n\n"