🩸 Digital Cognitive Screening App Early Detection Simulator

Self-Administered Cognitive Test Tasks

Placeholder: short app-based tasks users complete independently at home.

• ~10 min: Task duration (placeholder note)
• Phone/tablet: Device type (placeholder note)
• Home-based: Setting (placeholder note)
• Low burden: User effort (placeholder note)

Task design and user interface

Placeholder: description of self-administered task interface design.

Speech, Memory & Attention Task Battery

Placeholder: multi-domain digital battery capturing cognitive signals.

• 3: Domains tested (placeholder note)
• Recorded: Speech samples (placeholder note)
• Recall-based: Memory tasks (placeholder note)
• Reaction-based: Attention tasks (placeholder note)

Battery composition and signal capture

Placeholder: how speech, memory, and attention signals are captured.

Algorithmic Scoring Against Normative Data

Placeholder: scores compared against age-matched normative datasets.

• Large cohort: Norm dataset size (placeholder note)
• Statistical/ML: Scoring model (placeholder note)
• Percentile: Output metric (placeholder note)
• Age/education: Adjustment factors (placeholder note)

Normative comparison methodology

Placeholder: methodology for comparing scores to normative bands.

Longitudinal Tracking for Subtle Decline

Placeholder: repeated testing detects gradual cognitive changes over time.

• Periodic: Test interval (placeholder note)
• Subtle change: Trend sensitivity (placeholder note)
• Serial tests: Data points (placeholder note)
• Smoothing model: Noise handling (placeholder note)

Trend detection over serial tests

Placeholder: how longitudinal trend detection works across tests.

Referral Trigger for Formal Evaluation

Placeholder: significant flags trigger referral to clinical specialists.

• Below norm: Trigger threshold (placeholder note)
• Clinician review: Referral pathway (placeholder note)
• Formal testing: Follow-up action (placeholder note)
• Early intervention: Care goal (placeholder note)

Referral criteria and clinical handoff

Placeholder: criteria for triggering referral and clinical handoff.

Placeholder: early detection via app screening supports timely care.