PWR-109 · Memory, Learning & Skill Acquisition

Perceptual learning

Some perceptual skills can improve with practice, but task gains are not restored vision or universal sensory enhancement.

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Revision 7T · Full Tutorial Edition · Release manifest · Methodology · Corrections

One source of teaching truth

Canonical Power learning unit · TLU-PWR-109

The learner completes baseline, feedback practice, delayed test and one new-line-length transfer test while accuracy, errors, response time, viewing conditions and strain are recorded.

Canonical Power page
PWR-109 · Perceptual learning
Full tutorial
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Practical authority
The tutorial teaches a low-risk method that may be practised inside its stated limits.
Current treatment
Full low-stakes tutorial
Research depth
focused · 2 bound sources
Risk framing
moderate to high
Capability self-practice
Permitted inside the tutorial's stated low-risk limits
Pathway membership
G-CUR-010

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Explanation is not permission.

This dossier explains the evidence and its limits. It is not a diagnosis, personal recommendation, assessment, clearance, performance promise or training programme. Actionable teaching appears only when the canonical Power record explicitly authorises it.

Complete bounded explanation

What this power means.

Capability to develop or express perceptual learning in a declared context without inheriting broader claims.

What the current evidence supports

Selected perceptual performance can improve through task-specific practice, with some retained transfer in a small clinical sample.

How to observe or measure it without overclaiming

Declare sensory modality, diagnosis, stimulus, threshold, eye/device, error, fatigue, delay and functional task; a threshold change is not whole-sense restoration.

Myth

Train eagle-like super-vision

Metric

Threshold, error and chosen visual function under declared viewing conditions

Boundary

A trained visual task cannot establish normal vision or a generalized super-sense.

Negative and limiting findings

  • The clinical study was extremely small and diagnosis-specific.
  • Independent experiments found practice effects contingent on stimulus direction, velocity or line length.
  • Neither source establishes restored normal vision, broad perceptual enhancement or generalized daily function.

Claims this evidence cannot support

  • eagle eyesight
  • restore normal vision
  • unlock super senses
  • train away sensory disability

Individual tutorial · FULL SELF GUIDED TUTORIAL

How to learn this Power now.

The learner completes baseline, feedback practice, delayed test and one new-line-length transfer test while accuracy, errors, response time, viewing conditions and strain are recorded.

  1. Get readyUse both eyes and the usual glasses/contact lenses unless an eye professional directs otherwise.
  2. Learn the method8 concrete steps teach the permitted method from start to finish.
  3. See right and wrong5 comparisons show correct or safer execution beside common wrong or riskier choices.
  4. PractiseUse one short session on three non-consecutive days, each with two 10-card feedback blocks and rests. On day four, run only a no-feedback retention test and one single-feature transfer set. Stop after 80 total card judgements per session or earlier for strain.
  5. Check progressKeep stimulus and viewing conditions fixed; compare no-feedback baseline and delayed tests and report single-feature transfer separately.

Authority boundary: Titan teaches a concrete low-stakes method step by step while keeping evidence and transfer claims bounded. The method is Power-specific; its actionability follows this treatment.

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Related Powers: PWR-105 · PWR-106 · PWR-107 · PWR-108

Direct evidence register

Sources that support—and limit—the claim.

Citation roles are explicit. A source may support existence or trainability while simultaneously limiting transfer, certainty, generalisation or safety.

  1. Primary empirical supportLimiting / contrary
    Perceptual learning leads to long lasting visual improvement in patients with central vision loss

    Marcello Maniglia; Andrea Pavan; Giovanni Sato; Giulio Contemori; Sonia Montemurro; Luca Battaglini; Clara Casco · 2016 · Primary research

  2. Primary empirical supportLimiting / contrary
    Velocity-dependent improvements in single-dot direction discrimination

    Nestor Matthews; Leslie Welch · 1997 · Primary research

Current teaching and evidence boundary

The next gate remains visible.

External confirmation is required before higher-authority use because: a clinical, high-risk or regulated configuration; a supervision or non-attempt boundary; a restricted safety or legitimacy boundary.

A Power-specific tutorial is available at /tutorials/pwr-109/. It contains a plain-English method, 8 ordered steps, a worked example, right-versus-wrong comparisons, specific mistakes and corrections, practice, measurement, accessibility, stopping rules and evidence. Its self guided mode remains controlling.