schema_version: "1.0"

id: "FM-ISC-004"

title: "FM-ISC-004 — Echo Loop Amplification"

slug: "fm-isc-004-echo-loop-amplification"

type: "failure_mode"

status: "draft"

version: "0.1.0"

last_updated: "2026-06-19"

summary: "Echo Loop Amplification occurs when a signal, interpretation, narrative, affect, metric, belief, feedback, or response pattern is repeatedly reflected through a loop that amplifies its apparent strength, certainty, urgency, legitimacy, or identity-relevance without adding new evidence, coherence, context, or repair."

canonical_url: "/archive/failure-modes/registry/interactions-signals-couplings/fm-isc-004-echo-loop-amplification"

citation_id: "FM-ISC-004-v0-1-0"

canon:

tier: "registry"

state: "draft"

source: "UTS — Failure Modes Registry"

source_id: "FM-ISC-004"

classification:

family: "failure-modes"

module: "interactions-signals-couplings"

module_group: "isc"

density: "advanced-reference"

audience:

• "UTS readers"
• "interaction researchers"
• "signal systems researchers"
• "cybernetics researchers"
• "AI governance researchers"
• "interface researchers"
• "restoration researchers"
• "justice researchers"
• "organizational systems researchers"
• "coherence researchers"
• "machine readers"

tags:

• "failure-modes"
• "isc"
• "interactions"
• "signals"
• "couplings"
• "echo-loop-amplification"
• "fm-isc-004-echo-loop-amplification"
• "echo-loop"
• "amplification"
• "feedback"
• "signal-distortion"
• "narrative"
• "coherence"

aliases:

• "Echo Loop Amplification"
• "Signal Echo Amplification"
• "Echo Chamber Amplification"
• "Recursive Signal Amplification"
• "Self-Reinforcing Echo Loop"
• "Feedback Echo Amplification"
• "Narrative Echo Amplification"
• "Interpretive Echo Loop"
• "Affective Echo Loop"
• "Amplified Echo Drift"

related:

laws:

• "Amplification Must Add Coherence, Not Merely Repetition"
• "Repeated Signal Is Not Independent Evidence"
• "Echo Must Not Substitute for Verification"
• "Feedback Must Preserve Source Traceability"
• "Loop Gain Must Preserve Meaning"
• "Confidence Must Track Evidence, Not Recurrence"
• "Signal Misclassification"
• "Feedback Loop Contamination"
• "Pseudo-Coherence"
• "Narrative Dominance"
• "Hidden Debt Accumulation"
• "U4 Truth Substitution"

invariants:

• "Echoed Signals Must Remain Source-Traceable"
• "Amplification Requires Evidence Integrity"
• "Repetition Must Not Increase Truth Weight by Default"
• "Loop Gain Must Remain Calibrated"
• "Echoed Consensus Must Remain Auditable"
• "Reflection Must Not Create False Certainty"
• "Amplified Signals Must Preserve Context"

operators:

• "G — Gain"
• "Ψ — Observation / Interface"
• "D — Damping"
• "Au — Auditability"
• "O — Coherence"
• "H — Hidden Debt"
• "Γ — Selection"
• "K — Constraint / Load"
• "BΣ — Boundary Integrity"
• "Λ — Compatibility"
• "R — Restoration Capacity"
• "Φ — Flow / Resource Movement"
• "Τ — Trajectory / Time"

gates:

• "Echo Integrity Gate"
• "Source Trace Gate"
• "Amplification Gate"
• "Evidence Independence Gate"
• "Loop Gain Gate"
• "Context Gate"
• "Auditability Gate"
• "Response Matching Gate"
• "Local Coherence Gate"

diagnostics:

• "Echo Strength"
• "Source Independence"
• "Signal / Evidence Ratio"
• "Loop Gain Fit"
• "Context Preservation"
• "Amplification Bias"
• "False Consensus Risk"
• "Auditability"
• "Hidden Debt"
• "Local Coherence"

failure_modes:

• "FM-ISC-002 — Signal Misclassification"
• "FM-ISC-003 — Urgency Substitution"
• "FM-ISC-007 — Premature Irreversible Coupling"
• "FM-C-001 — Observability Collapse"
• "FM-C-002 — Instrumentation Theater"
• "FM-C-018 — Goodhart Collapse"
• "FM-C-020 — Measurement Back-Action Loop"
• "FM-ECO-017 — Echo Inflation"
• "FM-ECO-019 — Narrative Dominance"
• "FM-CORE-001 — Pseudo-Coherence"
• "FM-CORE-002 — Hidden Debt Accumulation"
• "FM-CORE-006 — U4 Truth Substitution"

restoration_arcs:

• "Echo Loop Audit"
• "Source Trace Restoration"
• "Amplification Recalibration"
• "Evidence Independence Review"
• "Loop Gain Reduction"
• "Context Re-expansion"
• "False Consensus Deflation"
• "Signal / Evidence Reweighting"
• "Hidden Echo Debt Accounting"
• "Local Coherence Restoration"

modules:

• "Interactions / Signals / Couplings"
• "Cybernetics"
• "Interfaces"
• "AI Governance"
• "Diagnostics"
• "Restoration"
• "Justice"
• "Organizations"
• "Coherence"

navigation:

order: 1504

parent: "failure-modes"

visible: true

provenance:

created_from: "failure-mode-registry-production"

source_thread: "UTS Failure Modes Registry production"

source_file: "content/archive/failure-modes/registry/interactions-signals-couplings/fm-isc-004-echo-loop-amplification.md"

notes: "Corrected ISC numbering after recalibration. This is the canonical FM-ISC-004 from the reference list, replacing the drifted prior FM-ISC-004 draft. Consent Coupling Drift should be remapped into FM-ISC-009 — Consent Drift or preserved as an extension."

entry:

failure_mode_id: "FM-ISC-004"

failure_family: "Interactions / Signals / Couplings"

production_treatment: "Standalone Entry / Canon-aligned"

parent_modes:

• "FM-ISC-002 — Signal Misclassification"
• "FM-C-020 — Measurement Back-Action Loop"
• "FM-CORE-001 — Pseudo-Coherence"
• "FM-CORE-006 — U4 Truth Substitution"
• "FM-CORE-002 — Hidden Debt Accumulation"

first_gate_failure: "Echo Integrity Gate"

primary_hidden_debt: "Hidden debt accumulates when repeated reflection increases a signal’s apparent strength, legitimacy, consensus, urgency, or truth weight without independent evidence, context restoration, or affected-state validation."

primary_inversion: "Repetition becomes evidence; the system treats recursive signal return as confirmation rather than as possible echo."

primary_boundary_pattern: "The boundary between independent confirmation and repeated reflection collapses; the same signal returns through multiple paths and is counted as multiple truths."

primary_signature: "Signal appears; loop reflects it; amplification rises; apparent consensus or certainty increases; source trace weakens; response follows amplified echo; hidden debt accumulates."

FM-ISC-004 — Echo Loop Amplification

Status: Draft

Archive Type: Failure Mode

System: Universal Theory Stack

Parent: Failure Modes

Canon Tier: Registry

Registry: Failure Modes Registry

Entry ID: FM-ISC-004

Family: Interactions / Signals / Couplings

Production Treatment: Standalone Entry / Canon-aligned

Parent Modes: FM-ISC-002 — Signal Misclassification; FM-C-020 — Measurement Back-Action Loop; FM-CORE-001 — Pseudo-Coherence; FM-CORE-006 — U4 Truth Substitution; FM-CORE-002 — Hidden Debt Accumulation

0. Interaction Scope Note

This entry is conceptual and systems-oriented.

It does not treat repetition, resonance, agreement, pattern recurrence, consensus, reinforcement, memory, iteration, reflection, echo, or amplification as inherently failed.

Some signals should amplify.

A signal can coherently gain strength when recurrence reflects:

• independent confirmation
• repeated affected-state evidence
• valid recurrence over time
• source diversity
• context preservation
• improved measurement
• coherent convergence
• transparent uncertainty reduction
• repair validation
• actual field-level pattern
• properly calibrated loop gain
• preserved auditability

The failure begins when echo is mistaken for evidence.

The issue is not amplification.

The issue is amplification without new truth.

Echo Loop Amplification occurs when the same signal returns through a loop and is counted as stronger, truer, more urgent, more consensual, or more identity-relevant merely because it recurs.

1. Definition

Echo Loop Amplification occurs when a signal, interpretation, narrative, affect, metric, belief, feedback, or response pattern is repeatedly reflected through a loop that amplifies its apparent strength, certainty, urgency, legitimacy, or identity-relevance without adding new evidence, coherence, context, or repair.

The amplified echo may involve:

• belief
• rumor
• accusation
• confidence
• fear
• desire
• urgency
• risk signal
• identity label
• market signal
• social consensus
• user feedback
• AI output
• model evaluation
• institutional narrative
• performance metric
• relational interpretation
• community sentiment
• platform trend
• support ticket category
• safety classification
• policy justification
• cultural frame
• diagnostic label
• governance dashboard
• memory summary
• repeated refusal
• repeated agreement

The core failure is:

signal repeats
source trace weakens
amplification rises
certainty increases without new evidence
H↑

Echo Loop Amplification is not signal recurrence.

It is recurrence that falsely increases epistemic, relational, or operational weight.

2. Core Pattern

The core pattern is:

1. A signal appears.
2. The signal is reflected by one or more loops.
3. The reflected signal returns to the system.
4. The system counts the return as confirmation.
5. Source trace weakens.
6. Context is compressed or stripped.
7. Apparent certainty, consensus, urgency, or legitimacy rises.
8. The amplified echo shapes response.
9. The response produces further echoes.
10. Hidden debt accumulates because the system is acting on amplified recurrence rather than validated evidence.

This failure often appears as:

everyone is saying it

while the hidden truth may be:

the same signal may be echoing through many mouths

or:

the pattern keeps showing up

while the overlooked condition is:

the system may be generating the recurrence it is measuring

The restorative question is:

is this independent evidence, or amplified echo?

Echo Loop Amplification turns recurrence into false certainty.

3. Failure Signature

Typical signature:

signal recurrence↑
source independence↓
loop gain↑
confidence / urgency↑
context fidelity↓
H↑

Extended signature:

one claim repeated across channels becomes consensus
one model output copied into reports becomes evidence
one user pattern amplified by recommendations becomes preference
one metric optimized by teams becomes performance truth
one fear echoed through escalation becomes crisis
one label repeated in records becomes identity

Common forms include:

a team repeats a manager’s interpretation until it becomes organizational truth
an AI system summarizes prior AI-generated summaries and reinforces an error
a platform amplifies engagement signals and then treats amplified engagement as organic preference
a risk label circulates across systems until no one can trace the original evidence
a support category repeats across tickets because the form only allows that category
a community belief gains certainty because dissenting signals are not routed into the loop
a financial narrative echoes through analysts and becomes market reality
a governance dashboard copies subordinate metrics and treats aggregation as independent confirmation

The defining condition is not that a signal repeats.

The defining condition is that repetition is counted as additional evidence without verifying independence, context, or loop contamination.

4. Primary U-Layer Origin

Common origin layers:

• U1 — Power / Budgets: powerful nodes can amplify preferred signals through channels and incentives.
• U2 — Configuration / Boundaries: loops lack separation between source, echo, derivative, and independent signal.
• U3 — Execution / Runtime: systems act on repeated signals automatically.
• U4 — Information / Truth: repeated signal substitutes for verified truth.
• U5 — Coordination / Time: repeated exposure over time hardens into assumed validity.
• U6 — Coherence Field: echo creates felt consensus and explanatory stability.
• U7 — Memory / Recurrence: stored echoes become future evidence.
• U8 — Environment / Field: social, market, platform, or institutional fields reward repetition and amplification.

Common manifestation layers:

• U2 — Boundaries: independent and derivative signals collapse.
• U3 — Execution: response follows amplified echo.
• U4 — Truth: repetition becomes truth.
• U5 — Time: recurrence hardens.
• U6 — Field: consensus aura forms.
• U7 — Memory: echo enters archive and future inference.

Echo Loop Amplification is primarily a G gain / Au source-trace failure.

The system increases signal weight while losing signal origin.

5. Typical Development Sequence

A common development sequence is:

1. Initial signal appears.
2. Signal enters an amplification loop.
3. Loop repeats the signal through channels, actors, metrics, summaries, dashboards, recommendations, or records.
4. Repeated signal is mistaken for independent confirmation.
5. Response begins to align with the amplified signal.
6. Response changes the environment in ways that make the signal recur.
7. The loop becomes self-confirming.
8. Alternative signals are drowned, delayed, or dismissed.
9. Hidden debt accumulates under false consensus.
10. Later correction is difficult because the echo has become memory, policy, or identity.

The loop often looks like:

signal → echo → perceived confirmation → response → stronger echo

Another common loop is:

misclassification → repeated records → identity label → future interpretation → confirmed misclassification

Echo Loop Amplification becomes self-reinforcing when each echo is treated as a fresh signal.

6. Diagnostic Markers

Diagnostic markers include:

• Many channels repeat the same claim but trace to one source.
• Confidence rises faster than evidence quality.
• The system cannot distinguish original signal from derivative echo.
• Repeated summaries preserve the same error.
• Dissenting or disconfirming signals are absent from the loop.
• Echoed signals become identity labels, risk labels, or policy assumptions.
• The same metric appears in multiple dashboards and is counted multiple times.
• Platform amplification is mistaken for organic preference.
• AI-generated outputs are recycled into future inputs without provenance.
• The signal grows more certain as context is lost.
• The loop produces the condition it claims to observe.
• Restoration improves when source trace and evidence independence are restored.

Useful diagnostics:

• Echo Strength: Measures recurrence and amplification intensity.
• Source Independence: Tests whether repeated signals are genuinely independent.
• Signal / Evidence Ratio: Compares signal volume to evidentiary basis.
• Loop Gain Fit: Determines whether amplification is calibrated.
• Context Preservation: Tracks what context survives repetition.
• Amplification Bias: Identifies preferred or incentivized signals.
• False Consensus Risk: Measures consensus generated by echo rather than independent agreement.
• Auditability: Determines whether echo path can be traced.
• Hidden Debt: Tracks harm from amplified false signal.
• Local Coherence: Tests whether amplified signal improves actual conditions.

7. Related Gates

Relevant gates include:

• Echo Integrity Gate: Fails when echoes are counted as independent evidence.
• Source Trace Gate: Fails when origin and derivative path are lost.
• Amplification Gate: Fails when signal gain increases without evidence integrity.
• Evidence Independence Gate: Fails when repeated signals share the same source.
• Loop Gain Gate: Fails when amplification exceeds signal reliability.
• Context Gate: Fails when repeated signal loses meaning conditions.
• Auditability Gate: Fails when echo path cannot be inspected.
• Response Matching Gate: Fails when amplified signal drives mismatched action.
• Local Coherence Gate: Fails when echo-driven response degrades the field.

The first common gate failure is usually the Echo Integrity Gate.

The system fails to distinguish echo from evidence.

8. Related Operators

Relevant operators include:

• G — Gain: Primary operator; amplifies signal strength, reach, intensity, or weight.
• Ψ — Observation / Interface: Determines how signal is displayed, repeated, and perceived.
• D — Damping: Should prevent runaway amplification.
• Au — Auditability: Preserves source trace and independence.
• O — Coherence: May appear high through consensus aura.
• H — Hidden Debt: Accumulates when false echo guides action.
• Γ — Selection: Selects which echoed signals become authoritative.
• K — Constraint / Load: Rises when nodes carry amplified misclassification or false urgency.
• BΣ — Boundary Integrity: Separates source, echo, derivative, and independent confirmation.
• Λ — Compatibility: Tests whether amplified signal fits actual condition.
• R — Restoration Capacity: De-amplifies, corrects, and repairs echo debt.
• Φ — Flow / Resource Movement: Routes attention, resources, pressure, or enforcement according to amplified signal.
• Τ — Trajectory / Time: Tracks how echo hardens into memory or norm.

Common operator pattern:

signal appears
G amplifies recurrence
Ψ displays repeated signal
Au source trace weakens
BΣ source / echo boundary collapses
O appears improved through consensus
Γ selects echoed signal
Φ routes response
H accumulates

The core operator inversion is:

repeated → confirmed

instead of:

repeated + independent + source-traced + context-preserved + response-valid → confirmed

Echo Loop Amplification turns volume into validity.

9. Related Laws and Invariants

Related Laws

• Amplification Must Add Coherence, Not Merely Repetition: more signal is not automatically better signal.
• Repeated Signal Is Not Independent Evidence: recurrence must be source-audited.
• Echo Must Not Substitute for Verification: loop return is not proof by itself.
• Feedback Must Preserve Source Traceability: repeated signal must retain origin.
• Loop Gain Must Preserve Meaning: amplification must not distort signal content.
• Confidence Must Track Evidence, Not Recurrence: belief weight must follow evidence quality.
• Signal Misclassification: echoes can harden false classifications.
• Feedback Loop Contamination: contaminated loops amplify incoherence.
• Pseudo-Coherence: false consensus creates order appearance.
• Narrative Dominance: repeated story overrides local evidence.
• Hidden Debt Accumulation: false signal creates future burden.
• U4 Truth Substitution: echo replaces truth.

Related Invariants

• Echoed Signals Must Remain Source-Traceable: origin and derivative paths must remain visible.
• Amplification Requires Evidence Integrity: gain is valid only if evidence survives.
• Repetition Must Not Increase Truth Weight by Default: recurrence is not proof without independence.
• Loop Gain Must Remain Calibrated: amplification must match signal reliability.
• Echoed Consensus Must Remain Auditable: apparent agreement requires source review.
• Reflection Must Not Create False Certainty: mirrors and loops must preserve uncertainty.
• Amplified Signals Must Preserve Context: meaning cannot be stripped away by repetition.

10. Common False Positives

Not every echo, repetition, or amplification is Echo Loop Amplification.

Common false positives include:

• Independent sources confirming the same signal.
• Repeated affected-node reports from distinct contexts.
• Valid recurrence over time with preserved source trace.
• Amplification used to surface suppressed truth.
• Signal repetition paired with context and uncertainty.
• Consensus formed after independent review.
• Feedback loop that increases signal clarity rather than distortion.
• Repeated warning validated by later evidence.
• Metrics aggregated without double-counting.
• AI summaries with provenance and non-recursive safeguards.
• Platform amplification of verified emergency signal.
• Repetition that remains labeled as repetition, not new evidence.

Clarifying rule:

This is not Echo Loop Amplification unless repeated reflection increases apparent evidence, certainty, urgency, consensus, legitimacy, or identity-relevance without independent source validation, context preservation, or coherence gain.

11. Common False Repairs

Common false repairs include:

• repeating the correction through the same echo loop
• adding disclaimers without source tracing
• reducing volume without restoring evidence independence
• replacing one echo chamber with another
• suppressing all recurrence instead of distinguishing valid repetition
• adding more summaries without provenance
• treating dissent as counter-echo
• using popularity as correction
• labeling the echo as consensus
• asking the amplified node to disprove the echoed claim
• creating dashboards that aggregate derivative signals
• adding AI summarization that reinforces prior AI summaries
• responding to echo-driven urgency with urgency
• correcting narrative without repairing affected-state distortion
• preserving records that continue the echo downstream

False repair often produces the loop:

echo distortion exposed → correction echoed → source trace still absent → loop persists

Another common loop is:

false echo challenged → challenge repeated inside same frame → false frame strengthened

The repair fails because it tries to solve echo with more echo.

12. Restoration Direction

Restoration requires tracing sources, separating independent evidence from derivative echo, recalibrating gain, restoring context, de-amplifying false consensus, and repairing downstream effects created by the amplified signal.

Primary restoration direction:

trace the source,
separate echo from evidence,
reduce loop gain,
and repair echo-created debt

A fuller restoration path includes:

1. Name the amplified signal. Identify the belief, metric, claim, label, urgency, affect, or narrative being echoed.
2. Map the echo loop. Identify channels, actors, records, models, dashboards, summaries, or interfaces that repeat it.
3. Trace the source. Determine original signal origin and derivative paths.
4. Test source independence. Separate independent evidence from recycled signal.
5. Audit context loss. Identify what meaning conditions were stripped through repetition.
6. Measure signal / evidence ratio. Compare volume to evidence quality.
7. Reduce loop gain. Lower amplification until evidence integrity is restored.
8. Restore dissent and disconfirmation. Reopen missing or suppressed signals.
9. Correct records and summaries. Remove derivative echoes treated as independent evidence.
10. Repair downstream effects. Address actions taken on the amplified echo.
11. Reweight confidence. Align certainty with verified evidence.
12. Install echo gates. Prevent repeated signal from counting as independent confirmation.
13. Monitor recurrence. Detect whether the echo re-enters through archives, AI outputs, dashboards, or social loops.
14. Validate local coherence. Confirm de-amplification improves real conditions.

A valid restoration path should reduce:

false certainty
source loss
derivative double-counting
amplification bias
false consensus
echo-driven urgency
identity echo debt
H

Echo Loop Amplification is not repaired by silencing all repetition.

It is repaired by distinguishing resonance from recursion.

13. Cross-Module Links

• Interactions / Signals / Couplings: Core ISC failure where repeated signal reflection creates false weight.
• Cybernetics: Echo loops are gain failures in feedback systems.
• Interfaces: Feeds, dashboards, summaries, notifications, rankings, and memory views shape echo intensity.
• AI Governance: AI systems can recycle their own outputs, amplify user/model assumptions, repeat safety labels, or convert recursive summaries into apparent evidence.
• Diagnostics: Requires source-independence, loop-gain, source-trace, and signal/evidence ratio diagnostics.
• Restoration: Repair requires deflating false echo and addressing harm caused by amplified misclassification.
• Justice: Repeated allegations, risk labels, testimony summaries, or institutional records can create false consensus.
• Organizations: Narratives, metrics, and performance labels can echo until they become policy truth.
• Coherence: Coherence requires distinguishing independent recurrence from self-generated echo.

14. Relationship to Parent / Child Modes

Production treatment: Standalone Entry / Canon-aligned

This mode maps upward to:

• FM-ISC-002 — Signal Misclassification
• FM-C-020 — Measurement Back-Action Loop
• FM-CORE-001 — Pseudo-Coherence
• FM-CORE-006 — U4 Truth Substitution
• FM-CORE-002 — Hidden Debt Accumulation

Sibling or related ISC modes include:

• FM-ISC-001 — Identity-Binding Signal Capture
• FM-ISC-002 — Signal Misclassification
• FM-ISC-003 — Urgency Substitution
• FM-ISC-005 — Coupling Without Compatibility
• FM-ISC-006 — Asymmetric Bandwidth Coupling
• FM-ISC-007 — Premature Irreversible Coupling
• FM-ISC-008 — Coupling Under False Coherence
• FM-ISC-009 — Consent Drift
• FM-ISC-014 — Reflection Without Integration

Related cross-family modes include:

• FM-C-001 — Observability Collapse
• FM-C-002 — Instrumentation Theater
• FM-C-018 — Goodhart Collapse
• FM-C-020 — Measurement Back-Action Loop
• FM-ECO-017 — Echo Inflation
• FM-ECO-019 — Narrative Dominance
• FM-CORE-001 — Pseudo-Coherence
• FM-CORE-002 — Hidden Debt Accumulation
• FM-CORE-006 — U4 Truth Substitution
• FM-AIX-011 — Epistemic Distortion
• FM-MT-011 — Managed Optics Failure
• FM-R-008 — Audit Evasion in Repair

Aliases preserved from source material:

• Echo Loop Amplification
• Signal Echo Amplification
• Echo Chamber Amplification
• Recursive Signal Amplification
• Self-Reinforcing Echo Loop
• Feedback Echo Amplification
• Narrative Echo Amplification
• Interpretive Echo Loop
• Affective Echo Loop
• Amplified Echo Drift

15. Minimal Entry Version

Definition: Echo Loop Amplification occurs when a signal, interpretation, narrative, affect, metric, belief, feedback, or response pattern is repeatedly reflected through a loop that amplifies its apparent strength, certainty, urgency, legitimacy, or identity-relevance without adding new evidence, coherence, context, or repair.

Signature:

signal recurrence↑
source independence↓
loop gain↑
confidence / urgency↑
context fidelity↓
H↑

Restoration direction:

• name the amplified signal
• map the echo loop
• trace the source
• test source independence
• audit context loss
• measure signal / evidence ratio
• reduce loop gain
• restore dissent and disconfirmation
• correct records and summaries
• repair downstream effects
• reweight confidence
• install echo gates
• monitor recurrence
• validate local coherence

16. Machine-Readable Summary

failure_mode:
  id: "FM-ISC-004"
  name: "Echo Loop Amplification"
  family: "Interactions / Signals / Couplings"
  production_treatment: "Standalone Entry / Canon-aligned"
  parent_modes:
    - "FM-ISC-002 — Signal Misclassification"
    - "FM-C-020 — Measurement Back-Action Loop"
    - "FM-CORE-001 — Pseudo-Coherence"
    - "FM-CORE-006 — U4 Truth Substitution"
    - "FM-CORE-002 — Hidden Debt Accumulation"
  primary_failure: "Repeated reflection increases apparent evidence, certainty, urgency, consensus, legitimacy, or identity-relevance without independent source validation, context preservation, or coherence gain."
  source: "UTS — Failure Modes Registry"
  source_id: "FM-ISC-004"
  scope_note: "Conceptual and systems-oriented; does not treat repetition, resonance, agreement, pattern recurrence, consensus, reinforcement, memory, iteration, reflection, echo, or amplification as inherently failed."
  aliases:
    - "Echo Loop Amplification"
    - "Signal Echo Amplification"
    - "Echo Chamber Amplification"
    - "Recursive Signal Amplification"
    - "Self-Reinforcing Echo Loop"
    - "Feedback Echo Amplification"
    - "Narrative Echo Amplification"
    - "Interpretive Echo Loop"
    - "Affective Echo Loop"
    - "Amplified Echo Drift"
  signature:
    - "signal recurrence↑"
    - "source independence↓"
    - "loop gain↑"
    - "confidence / urgency↑"
    - "context fidelity↓"
    - "H↑"
  primary_layers:
    origin:
      - "U1 — Power / Budgets"
      - "U2 — Configuration / Boundaries"
      - "U3 — Execution / Runtime"
      - "U4 — Information / Truth"
      - "U5 — Coordination / Time"
      - "U6 — Coherence Field"
      - "U7 — Memory / Recurrence"
      - "U8 — Environment / Field"
    manifestation:
      - "U2 — Boundaries"
      - "U3 — Execution"
      - "U4 — Truth"
      - "U5 — Time"
      - "U6 — Field"
      - "U7 — Memory"
  state_variables:
    - "G"
    - "Ψ"
    - "D"
    - "Au"
    - "O"
    - "H"
    - "Γ"
    - "K"
    - "BΣ"
    - "Λ"
    - "R"
    - "Φ"
    - "Τ"
  first_gate_failure: "Echo Integrity Gate"
  restoration:
    - "Echo Loop Audit"
    - "Source Trace Restoration"
    - "Amplification Recalibration"
    - "Evidence Independence Review"
    - "Loop Gain Reduction"
    - "Context Re-expansion"
    - "False Consensus Deflation"
    - "Signal / Evidence Reweighting"
    - "Hidden Echo Debt Accounting"
    - "Local Coherence Restoration"