Section 393 of 440
Complete canonical tutorial. This reader section contains the same teaching body as PWR-211 · Neural sensory feedback. Open the Power dossier.
PWR-211 · SUPERVISED full tutorial
Learn a small approved neural-feedback code and use it without overstating sensation certainty
A clinician pairs open, light-contact and firm-contact feedback states, then tests them blindly before one low-force paper-cup grasp. The learner can answer uncertain, pause stimulation and compare visual demand and force with feedback on and off. Discriminating this code is not natural sensation or proof of safety with other objects.
1 · Permission and limits
Know exactly what you may do
2 · Get ready
Gather what you need and check the starting conditions
What you need
- Declared Neural sensory feedback fixture: An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.
- Setup aid for Check interface and stimulation authority: Verify approved interface, stimulator limits, force limits, emergency stop and empty safe object.
- Neural sensory feedback log: Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off; retain Neural sensory feedback errors, assistance, stop and fallback.
- Sensory-feedback provider table: use “Self-Contained Neuromusculoskeletal Arm Prostheses” to record the complete prosthesis configuration and trained function. From “Intraneural sensory feedback restores grip force control and motor coordination while using a prosthetic hand”, extract feedback code, task, device-on comparison and adverse-event reporting. Apply NIST privacy fields to neural records; the clinician alone controls stimulation.
Before you start
- Obtain clinical/research approval and participant confirmation through a reliable communication channel.
- Verify approved interface, stimulator limits, force limits, emergency stop and empty safe object.
- Start check for Neural sensory feedback: The code serves one user-chosen action and no pain threshold test.
- Top-of-sheet stop for Neural sensory feedback: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
3 · The method
Follow these steps in order
- Choose the functional distinction
The participant and team select open, light and firm contact and define a safe grasp range and stop signal.
Why: The code serves one user-chosen action and no pain threshold test.
Check: The code serves one user-chosen action and no pain threshold test.
- Check interface and stimulation authority
The clinician verifies implant or simulator status, skin, health, stimulator limits, charge/setting control and emergency response.
Why: Only authorised staff can set stimulation.
Check: Only authorised staff can set stimulation.
- Establish a no-feedback baseline
With visual feedback, attempt the paper-cup grasp and record force error, corrections and attention burden.
Why: Device-off comparator is preserved.
Check: Device-off comparator is preserved; verify it in the three-state sensory-feedback grasp.
- Pair one labelled state at a time
The clinician presents each approved state with its label at a comfortable setting and checks participant report.
Why: The participant can pause or reject a state and no setting is increased independently.
Check: The participant can pause or reject a state and no setting is increased independently.
- Run blinded discrimination
Randomise provider-set open, light and firm trials and record response, confidence, false sensation, adaptation and discomfort.
Why: A complete confusion table shows which states are confused.
Check: A complete confusion table shows which states are confused.
- Use feedback in the grasp
Under force and motion limits, close until light contact is reported, hold and release the empty cup.
Why: Cup is not crushed or dropped and force stays inside the approved band.
Check: Cup is not crushed or dropped and force stays inside the approved band.
- Test false certainty
Include a no-stimulation trial; the learner may answer “uncertain” rather than forcing a state.
Why: No-stimulation false reports are visible and do not trigger extra force.
Check: No-stimulation false reports are visible and do not trigger extra force.
- Compare and finish
Record force error, visual attention, discrimination, symptoms and device-on/off result, then the clinician returns the system to safe state.
Why: Any claimed benefit is bounded to this task and configuration.
Check: Any claimed benefit is bounded to this task and configuration.
4 · Worked example
See the whole method used once
Scenario
An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.
Walkthrough
- The clinician confirms the approved three-state map and the participant’s PAUSE signal.
- The participant completes a visual-feedback cup grasp baseline with two force corrections.
- Open, light and firm states are paired separately, then 12 blinded trials yield 10 correct, one light–firm confusion and one uncertain answer.
- On a no-stimulation catch trial, the participant says uncertain instead of reporting contact.
- Using feedback, the participant grasps and releases the paper cup inside the force limit without crushing it.
- The clinician ends stimulation and records force error, visual attention, discomfort 1/4 and the single confusion.
Result
The learner discriminates the small code and completes one bounded grasp. It does not establish natural sensation, device-off restoration or safety with untested objects.
5 · Right and wrong
Compare correct or safer execution with the common wrong version
| Moment | Right / safer | Wrong / riskier | Why it matters |
|---|---|---|---|
| Stimulation setting | Qualified staff control every parameter when completing the three-state sensory-feedback grasp. | Increase intensity to make the signal clearer. | Neural stimulation has clinical and device-specific limits. |
| Uncertainty in three-state sensory-feedback grasp | Use an uncertain response and no-stimulation trials. | Treat every felt event as true object contact. | False or adapted sensations can drive excessive force. |
| Functional use | Test a light, constrained task when completing the three-state sensory-feedback grasp. | Move directly from discrimination to fragile, sharp or hot objects. | Recognition does not prove safe manipulation. |
| Outcome in three-state sensory-feedback grasp | Compare force error and attention device-on and off. | Call induced feedback restored natural sensation. | Evidence is device-on and often from very small samples. |
6 · Common mistakes
Spot the error and apply the correction
| Mistake | Fix |
|---|---|
| Increase intensity to make the signal clearer. | Pause and ask the clinician to reassess mapping. |
| Treat every felt event as true object contact. | Confirm with the system state and force limit. |
| Move directly from discrimination to fragile, sharp or hot objects. | Use an empty paper cup and provider gate. |
| Call induced feedback restored natural sensation. | Report code, participant, object, support and mode. |
7 · Practice
Turn the steps into a usable skill
First session
- Three-state feedback visit: An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.
- Stimulation-authority gate: Check interface and stimulation authority: The clinician verifies implant or simulator status, skin, health, stimulator limits, charge/setting control and emergency response.
- Labelled sensation pairing: Pair one labelled state at a time: The clinician presents each approved state with its label at a comfortable setting and checks participant report.
- Blinded state discrimination: Run blinded discrimination: Randomise provider-set open, light and firm trials and record response, confidence, false sensation, adaptation and discomfort.
- No-stimulation catch trial: Test false certainty: Include a no-stimulation trial; the learner may answer “uncertain” rather than forcing a state.
Repeat plan
The clinical protocol sets mapping trials, stimulation, rest and functional repetitions. Repeat only at scheduled visits; remap after interface, device, medication, health or sensation changes.
Progress when
- The code serves one user-chosen action and no pain threshold test.
- Only authorised staff can set stimulation.
- Device-off comparator is preserved.
- Discrimination and force error meet the protocol criteria, no-stimulation false certainty stays low, discomfort is acceptable, the stop signal works and the participant chooses continuation.
Do not progress when
- Do not continue while this error remains: Increase intensity to make the signal clearer.
- Pause until this correction works: Confirm with the system state and force limit.
- This Neural sensory feedback stop ends the block: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
8 · Check the result
Measure what changed
Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off
How: Configured fixture: An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object. The provider logs “Check interface and stimulation authority”, every “Run blinded discrimination” result, the “Test false certainty” response and Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off. Pair every discrimination answer with stimulation or no-stimulation state, provider setting, visual attention, force error, certainty and discomfort; keep clinician changes visible when comparing device-on and device-off trials.
Good result: Discrimination and force error meet the protocol criteria, no-stimulation false certainty stays low, discomfort is acceptable, the stop signal works and the participant chooses continuation.
This does not prove: Boundary for Neural sensory feedback: “Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off” describes only An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object. It cannot establish “Electronic nerves restore perfect natural touch”.
Self-check
- Without the example, demonstrate: The code serves one user-chosen action and no pain threshold test.
- Find the fault in this attempt: “Increase intensity to make the signal clearer.” Apply “Pause and ask the clinician to reassess mapping.”; what changes?
- What evidence in the completed record shows that this is wrong: “Treat every felt event as true object contact.”?
- Neural sensory feedback stop decision: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
9 · Stop, adapt or get help
Keep the safety boundary practical
Stop and get help
- Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
- Stop for unstable stimulation, repeated false sensation, decoder/stimulator fault, force-limit breach or lost emergency control.
- Do not change stimulation, implant, object, force or session dose outside the qualified team.
Accessibility and adaptations
- Use visual, audio or simulated feedback before invasive or direct stimulation and adapt labels through the team.
- Allow longer inter-trial intervals, fewer states and the participant’s preferred communication method for sensation reports.
10 · Evidence and limits
Why these instructions are here
- primary research
Registered support for Neural sensory feedback: “Self-Contained Neuromusculoskeletal Arm Prostheses”. It bears on Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off inside the Neural sensory feedback fixture. It does not validate “Electronic nerves restore perfect natural touch”.
Self-Contained Neuromusculoskeletal Arm Prostheses - primary research
Constraint for Neural sensory feedback, drawn from “Intraneural sensory feedback restores grip force control and motor coordination while using a prosthetic hand”: Evidence is dominated by single/few participants and implanted-device configurations, with no device-off sensory restoration.
Intraneural sensory feedback restores grip force control and motor coordination while using a prosthetic hand - official guidance
Privacy design for Neural sensory feedback: minimise approved data in “An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.” Keep Neural sensory feedback provenance and access visible before interpreting Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off.
NIST Privacy Framework: A Tool for Improving Privacy Through Enterprise Risk Management, Version 1.0
Limits
- Neural sensory feedback boundary: interpret “Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off” only for An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.
- A successful result does not establish “Electronic nerves restore perfect natural touch”.
- Neural sensory feedback limiting finding: Evidence is dominated by single/few participants and implanted-device configurations, with no device-off sensory restoration.
- No perfect-performance claim for Neural sensory feedback: the evidence register does not make “Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off” universal, consequence-free or flawless in An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object.
- Scope remains Neural sensory feedback: An approved prosthetic-hand setup pairs three labelled feedback states—open, light contact and firm contact—with clinician-controlled neural or simulated stimulation. An empty paper cup is the only object. Recheck the comparator, support and “Force error, object identification, visual-attention burden, sensation stability, adverse events and unfamiliar-task performance device-on/off” after any configuration change.
Open the complete canonical research register
- Primary empirical supportLimiting / contrarySelf-Contained Neuromusculoskeletal Arm Prostheses
Max Ortiz-Catalan; Enzo Mastinu; Paolo Sassu; Oskar Aszmann; Rickard Brånemark · 2020 · Primary research
- Primary empirical supportLimiting / contraryIntraneural sensory feedback restores grip force control and motor coordination while using a prosthetic hand
Francesco Clemente; Giacomo Valle; Marco Controzzi; Ivo Strauss; Francesco Iberite; Thomas Stieglitz; Giuseppe Granata; Paolo M. Rossini; Francesco M. Petrini; Silvestro Micera; Christian Cipriani · 2019 · Primary research
- Limiting / contraryOfficial boundary contextNIST Privacy Framework: A Tool for Improving Privacy Through Enterprise Risk Management, Version 1.0
National Institute of Standards and Technology · 2020 · Official standard
- Limiting / contraryOfficial boundary contextCybersecurity in Medical Devices: Quality Management System Considerations and Content of Premarket Submissions
United States Food and Drug Administration · 2026 · Official guidance
- Limiting / contraryOfficial boundary contextImplanted Brain-Computer Interface (BCI) Devices for Patients with Paralysis or Amputation — Non-clinical Testing and Clinical Considerations
United States Food and Drug Administration · 2021 · Official guidance
- Limiting / contraryOfficial boundary contextRecommendation on the Ethics of Neurotechnology
United Nations Educational, Scientific and Cultural Organization · 2025 · Official normative instrument
Read the complete evidence interpretation on the Power dossier.
Tutorial delivery controls
Learn, adapt, troubleshoot and resume
Progress is saved only in this browser on this device.
Step-by-step learner mode
Each activity includes its success check, a nearby accessible alternative and an “I’m stuck” correction path. Alternatives preserve the target where possible; when they change the task, Titan labels them as related rather than equivalent.
Choose the functional distinction
The participant and team select open, light and firm contact and define a safe grasp range and stop signal.
The code serves one user-chosen action and no pain threshold test.
The code serves one user-chosen action and no pain threshold test.
I’m stuck on this step
Reset: Re-read this authored instruction — “The participant and team select open, light and firm contact and define a safe grasp range and stop signal.” — and its success check, then attempt only this step.
Possible snag: Increase intensity to make the signal clearer.
Correction: Pause and ask the clinician to reassess mapping.
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Check interface and stimulation authority
The clinician verifies implant or simulator status, skin, health, stimulator limits, charge/setting control and emergency response.
Only authorised staff can set stimulation.
Only authorised staff can set stimulation.
I’m stuck on this step
Reset: Re-read this authored instruction — “The clinician verifies implant or simulator status, skin, health, stimulator limits, charge/setting control and emergency response.” — and its success check, then attempt only this step.
Possible snag: The result from “The clinician verifies implant or simulator status, skin, health, stimulator limits, charge/setting control and emergency response.” does not yet meet this declared check: Only authorised staff can set stimulation.
Correction: Return to the start of “Check interface and stimulation authority”, reduce complexity or pace, and repeat only the part needed to satisfy: “Only authorised staff can set stimulation.”
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Establish a no-feedback baseline
With visual feedback, attempt the paper-cup grasp and record force error, corrections and attention burden.
Device-off comparator is preserved.
Device-off comparator is preserved; verify it in the three-state sensory-feedback grasp.
I’m stuck on this step
Reset: Re-read this authored instruction — “With visual feedback, attempt the paper-cup grasp and record force error, corrections and attention burden.” — and its success check, then attempt only this step.
Possible snag: The result from “With visual feedback, attempt the paper-cup grasp and record force error, corrections and attention burden.” does not yet meet this declared check: Device-off comparator is preserved; verify it in the three-state sensory-feedback grasp.
Correction: Return to the start of “Establish a no-feedback baseline”, reduce complexity or pace, and repeat only the part needed to satisfy: “Device-off comparator is preserved; verify it in the three-state sensory-feedback grasp.”
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Pair one labelled state at a time
The clinician presents each approved state with its label at a comfortable setting and checks participant report.
The participant can pause or reject a state and no setting is increased independently.
The participant can pause or reject a state and no setting is increased independently.
I’m stuck on this step
Reset: Re-read this authored instruction — “The clinician presents each approved state with its label at a comfortable setting and checks participant report.” — and its success check, then attempt only this step.
Possible snag: Call induced feedback restored natural sensation.
Correction: Report code, participant, object, support and mode.
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Run blinded discrimination
Randomise provider-set open, light and firm trials and record response, confidence, false sensation, adaptation and discomfort.
A complete confusion table shows which states are confused.
A complete confusion table shows which states are confused.
I’m stuck on this step
Reset: Re-read this authored instruction — “Randomise provider-set open, light and firm trials and record response, confidence, false sensation, adaptation and discomfort.” — and its success check, then attempt only this step.
Possible snag: Move directly from discrimination to fragile, sharp or hot objects.
Correction: Use an empty paper cup and provider gate.
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Use feedback in the grasp
Under force and motion limits, close until light contact is reported, hold and release the empty cup.
Cup is not crushed or dropped and force stays inside the approved band.
Cup is not crushed or dropped and force stays inside the approved band.
I’m stuck on this step
Reset: Re-read this authored instruction — “Under force and motion limits, close until light contact is reported, hold and release the empty cup.” — and its success check, then attempt only this step.
Possible snag: The result from “Under force and motion limits, close until light contact is reported, hold and release the empty cup.” does not yet meet this declared check: Cup is not crushed or dropped and force stays inside the approved band.
Correction: Return to the start of “Use feedback in the grasp”, reduce complexity or pace, and repeat only the part needed to satisfy: “Cup is not crushed or dropped and force stays inside the approved band.”
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Test false certainty
Include a no-stimulation trial; the learner may answer “uncertain” rather than forcing a state.
No-stimulation false reports are visible and do not trigger extra force.
No-stimulation false reports are visible and do not trigger extra force.
I’m stuck on this step
Reset: Re-read this authored instruction — “Include a no-stimulation trial; the learner may answer “uncertain” rather than forcing a state.” — and its success check, then attempt only this step.
Possible snag: The result from “Include a no-stimulation trial; the learner may answer “uncertain” rather than forcing a state.” does not yet meet this declared check: No-stimulation false reports are visible and do not trigger extra force.
Correction: Return to the start of “Test false certainty”, reduce complexity or pace, and repeat only the part needed to satisfy: “No-stimulation false reports are visible and do not trigger extra force.”
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Compare and finish
Record force error, visual attention, discrimination, symptoms and device-on/off result, then the clinician returns the system to safe state.
Any claimed benefit is bounded to this task and configuration.
Any claimed benefit is bounded to this task and configuration.
I’m stuck on this step
Reset: Re-read this authored instruction — “Record force error, visual attention, discrimination, symptoms and device-on/off result, then the clinician returns the system to safe state.” — and its success check, then attempt only this step.
Possible snag: Treat every felt event as true object contact.
Correction: Confirm with the system state and force limit.
Stop / get help: Stop for pain, burning, shocking discomfort, unexpected spread, skin change, new neurological symptom, distress or withdrawal.
Correct versus incorrect execution
These accessible process diagrams are built from the tutorial’s own right/wrong teaching. They are not anatomical illustrations and do not add technique beyond the canonical tutorial.
Qualified staff control every parameter when completing the three-state sensory-feedback grasp.
Increase intensity to make the signal clearer.
Use an uncertain response and no-stimulation trials.
Treat every felt event as true object contact.
Test a light, constrained task when completing the three-state sensory-feedback grasp.
Move directly from discrimination to fragile, sharp or hot objects.
Compare force error and attention device-on and off.
Call induced feedback restored natural sensation.
Method-structure checklist
10 of 10 structural checks present
- Ordered, Power-specific instructions — present
- Every activity has a success check — present
- Materials or supplied records are declared — present
- Measurement or assessment rule is present — present
- Tutorial-specific troubleshooting is present — present
- Stopping or escalation boundary is present — present
- Every activity has an adjacent alternative — present
- Correct-versus-incorrect comparison is present — present
- Evidence context is bound to the Power record — present
- Planning metadata is present — present
The method-readiness band and presence checklist assess tutorial presentation and are separate from evidence quality for the underlying Power. They are automated editorial aids, not human approval.
Manual editorial sign-off: Pending. This tutorial must not display a human-approved state until an identified editor signs the exact content hash.