Use Case: Readiness
Know your cognitive state before high-stakes moments
The Problem
You're about to walk into an important negotiation, presentation, or decision. But you slept poorly last night. Are you actually cognitively ready, or are you compromised without realizing it?
The Solution
A quick 5-minute Thalen session gives you a score. Below 1400? Maybe reschedule that negotiation. Above 1700? You're sharper than usual. Press your advantage.
How It Works
How to use readiness verification
Quick cognitive check before high-stakes situations.
Run a quick 5-minute assessment
Before a high-stakes situation, complete your Thalen battery. You'll get your score and rank within minutes.
Check your score against your baseline
Below 1400 (Active range)? You're likely compromised. 1500-1700 (Potent)? You're solid. Above 1700 (Coherent)? Peak state.
Look at CNS Readiness vs Cognitive Performance
Sometimes you're tired but sharp (compensating). Sometimes alert but foggy (distracted). The breakdown tells you which.
Make an informed decision
A 1250 score before a big meeting means: reschedule, caffeine, or lower expectations. A 1750 means: go for it.
Caught In Time
From Potent to Active: catching a 295-point drop
A user had a salary negotiation scheduled for 2pm. They'd slept only 4 hours due to a red-eye flight. 'I feel fine' they thought. A quick Thalen session at 1pm: 1285, Active rank. Their usual is 1580 Potent.
| Metric | Before | After | Change |
|---|---|---|---|
| Thalen Score | 1580 (Potent) | 1285 (Active) | -295 points |
| CNS Readiness | 78% | 52% | -26% |
| Reaction Time (PVT) | 275ms | 342ms | +67ms slower |
| PVT Lapses | 0 | 3 | Attention failing |
Key Insight
The user 'felt fine' but their score told a different story: a 295-point drop put them in Active territory. According to Killgore (2010), sleep-deprived individuals consistently overestimate their abilities. They rescheduled to the next day, tested at 1610, and negotiated a better outcome.
This is a hypothetical example for illustration. Individual results vary based on baseline, consistency, and intervention.
The Problem
You can't feel your own impairment
The problem with cognitive impairment: the more impaired you are, the worse you are at recognizing it. Sleep deprivation, stress, and illness all degrade your ability to assess your own state.
According to Killgore (2010), individuals who have been awake for 24 hours show performance deficits equivalent to a blood alcohol level of 0.10% (legally drunk), yet many report feeling "fine" or only "slightly tired."
"Subjective sleepiness ratings remain relatively stable even as objective performance continues to decline with extended wakefulness."
This is why objective measurement matters. You need an external check on your cognitive state, especially when the stakes are high.
High-Stakes Moments
When readiness checks matter most
Negotiations
Salary discussions, contract negotiations, buying a car or house. Impaired judgment can cost thousands.
Presentations
Client pitches, board presentations, public speaking. Your working memory and processing speed affect delivery.
Important Decisions
Strategic choices, hiring decisions, investment calls. Decision quality correlates with cognitive state.
Exams & Certifications
Professional certifications, academic tests, interviews. Know if you're performing at your best.
Creative Sessions
Writing, design, brainstorming. Creativity requires cognitive resources that fatigue depletes.
Deep Work Blocks
Before dedicating 2-4 hours to complex work, verify you're actually ready to make it count.
Taking Action
What to do when your score is down
Check how far below your average. 50-100 points below = noticeable impairment. 150+ below = significant. 200+ = consider rescheduling.
Strategic caffeine. 100-200mg caffeine can boost your score 30-50 points temporarily. Allow 30-45 minutes for it to take effect.
Brief exercise. A 10-minute walk or light exercise can boost cognitive performance acutely.
Power nap. If you have 20-30 minutes, a brief nap can provide temporary restoration. Avoid longer naps that cause grogginess.
Adjust expectations. If you must proceed, acknowledge internally that you may not be at your best. Prepare more thoroughly and build in extra review time.
Get early access.
Thalen is coming to iOS first. Join the TestFlight beta and start building your cognitive baseline.
Free. Your data stays on your device. No account required.