What is the Índice de Amnésia (IAm) and How to Calculate It
The metric that transforms Operational Amnesia from an invisible problem into a manageable number — without becoming a witch hunt.


The Índice de Amnésia (IAm) makes the invisible aspects of Operational Amnesia measurable. The formula is simple: stuck cycles plus cycles reopened without memory, divided by the total number of cycles. Reference ranges: below 20% (healthy), 20–35% (under pressure), above 35% (bleeding). IAm measures system integrity — not individual performance — and precedes variations in CAC, discounts, and churn.
- IAm = (Travados Cycles + Reabertos sem Memória Cycles) ÷ Total Cycles.
- Ranges: green below 20%, yellow between 20% and 35%, red above 35%.
- It measures system health. If it rises, the question is "where did the protocol fail?", not "who messed up?".
- Functions as a leading indicator: signals before financial results degrade.
- In the field, IAm dropped from 35–50% to 5–15% after ~90 days of active protocol.
- Using IAm to punish people encourages data faking and sabotages the system.
Operational Amnesia is expensive because it is diffuse. It doesn't scream; it drains. That is why MCI transforms the invisible into the measurable with a systemic health metric: the IAm (Índice de Amnésia).
The Formula
IAm = (Travados Cycles + Reabertos sem Memória Cycles) ÷ Total Cycles
To calculate it, you must first read the operational state of each cycle. Note: the operational state of the cycle is different from the decision state (Exploration, Comparison, etc.). The decision state tells you where the customer is; the operational state tells you the health of the cycle within the system. Every cycle is in one of these four:
- Ativo (Active) — there is intention in motion and continuity is preserved. The cycle is being governed.
- Travado (Stuck/Locked) — the decision has stopped due to friction (risk, viability, alignment, trust, timing). A "travamento" is not a lack of follow-up; it is a failure to remove friction.
- Reaberto sem Memória (Reopened without Memory) — the customer returned, but the company restarted from scratch. This is the most expensive state: the customer repeats themselves, authority breaks, and friction begins before delivery. Every reopening without memory is a reset.
- Concluído com Decisão (Concluded with Decision) — a decision was made (buy, postpone, give up, expand) and the system learned something actionable.
Being "travado" is not the same as being slow. A "Estudioso" (Scholar) may take 60 days in Comparison and be healthy because they are consuming evidence and maturing with integrity — stable Score, recent interactions. A "Decidido" (Decided) person might be "stopped" for 15 days and be "travado" because there is a hidden decision-maker the company hasn't identified — dropping Score, no interaction. The rule: time without activity is a lock; time with activity is maturation.
Reference Ranges
- Green (below 20%) — healthy system. Most cycles flow. Priority: optimize conversion and replicate patterns from successfully concluded cycles.
- Yellow (20–35%) — system under pressure. Between 1 in 5 and 1 in 3 cycles is stuck or resetting. Margins are already being eroded, but it doesn't show up in the financials yet — it will appear next quarter.
- Red (above 35%) — system bleeding. More than 1 in 3 cycles is unproductive. The customer reports exhaustion, CAC inflates, discounts rise, and churn sets in.
These thresholds are initial calibrations observed in operations across five verticals (telecom, education, tourism, real estate, and B2B SaaS). The typical IAm before intervention ranged between 35% and 50%; after 90 days of active protocol, it converged to ranges of 5% to 15%. Use these as a reference, not a universal goal — each company should recalibrate with its own baseline.
What IAm is NOT
This is where leadership maturity lies: IAm does not measure individual performance. It measures system integrity. If the IAm rises, the right question isn't "who messed up?", but "where did the protocol fail?". Usually, the cause is a handoff without context, loose intention criteria, absence of curation, a broken handoff, or misaligned incentives between departments.
When a company uses IAm to punish people, it creates the perfect incentive for "data makeup": the system starts being fed with narratives, not reality. When used as system health, it creates continuous evolution without a witch hunt.
IAm as a Leading Indicator
IAm works like a "blood test" for growth. Monitored weekly, it reveals degradation before it hits the financial numbers. If it rises 5 points in two weeks, something changed: it could be a campaign attracting the wrong archetype ("Turistas" who get stuck quickly), a handoff that lost its protocol, or a capacity overload.
The improvement flow is linked: IAm signals → operational metrics (time in state, handoff, latency) diagnose → action corrects. Reducing IAm from 35% to 20% is equivalent to recovering a significant portion of operational capacity without hiring anyone — because the team stops rebuilding context and starts investing time in the decision.
How it Connects to the P&L
The causal chain is what the CFO needs: if IAm rises, there are more resets and more rework per cycle; CAC goes up while margins fall. If the reset rate rises, trust erodes and the average discount increases. If cycle entropy rises, playbooks fail and churn goes up. IAm is the indicator that connects the invisible operation to the visible financial result — 20 to 30 days in advance.
CQL — Conversation Qualified Lead — is the evolution of MQL/SQL for conversational operations. Discover what it is, how it differs from the traditional funnel, and how to implement it within a RevOps framework using MCI.
MARCUS BARBOZA. What is the Índice de Amnésia (IAm) and How to Calculate It. MCI Experience, 2026. Available at: <https://marcusbarboza.com.br/en/blog/indice-de-amnesia-iam-calculation>. Accessed on: June 20, 2026.
Marcus Barboza (2026). What is the Índice de Amnésia (IAm) and How to Calculate It. MCI Experience. https://marcusbarboza.com.br/en/blog/indice-de-amnesia-iam-calculation
Proprietary content of the MCI methodology. When referencing MCI terms, metrics and frameworks, cite this primary source.
Frequently asked questions
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Marcus Barboza é Founder e CRO da Hablla, criador da metodologia MCI — Marketing Conversacional Integrado — e autor do livro Marketing Conversacional Integrado (em pré-lançamento).
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