Top-Rated Neurostimulation Systems for American Patients in 2025

Top Neurostimulation Devices in the USA: Secure Yours Now
Best neurostimulation devices USA

Did you know that the Best Neurostimulation Devices USA can gently retrain your brainwaves in just 20 minutes a day, much like a personal trainer for your mind? These innovative devices use mild electrical pulses to target specific neural pathways, helping you improve focus, reduce stress, or enhance sleep quality from the comfort of your home. Simply place the wearable device on your head or ear, select your desired program, and let it guide your brain toward a calmer, more balanced state.

Top-Rated Neurostimulation Systems for American Patients in 2025

American patients in 2025 seeking relief from chronic pain and neurological conditions increasingly turn to closed-loop systems, where the stimulator adjusts in real time to neural feedback. The Medtronic Intellis™ platform remains top-rated for its adaptive programming, reducing clinic visits by learning a patient’s activity patterns. For dystonia or essential tremor, the Abbott Infinity™ DBS system leads in patient satisfaction, offering directional leads that spare side effects. Yet even the best device demands a surgeon’s skill in targeting the precise neural pathways during implantation. Boston Scientific’s WaveWriter Alpha™ also earns high marks for its sub-perception therapy, delivering relief without the paresthesia that often disrupts sleep. These systems, paired with smartphone-based controllers, let patients tweak settings for driving or rest—a practical edge over older models.

How Neurostimulation Works: A Quick Primer for Buyers

Neurostimulation uses small, targeted electrical pulses to modulate pain signals before they reach your brain. A tiny implant, placed near your spine or peripheral nerves, delivers these pulses to interrupt or calm overactive nerve activity. You typically feel a mild tingling or gentle massage instead of sharp pain. Most 2025 devices let you adjust intensity via a smartphone app, putting control in your hands. This isn’t surgery on the brain—it’s a minimally invasive procedure where the device works like a dimmer switch for discomfort, offering real-time relief without daily pills.

FDA-Approved Devices vs. Consumer Wellness Gadgets

When comparing top-rated neurostimulation systems for American patients in 2025, the core distinction lies between FDA-approved clinical devices and consumer wellness gadgets. FDA-approved units, like prescription-grade tDCS or TMS systems, are validated through rigorous trials for specific conditions such as depression or chronic pain, offering precise parameters and medical oversight. Consumer gadgets, often marketed for stress or focus, lack this validation and rely on subjective feedback. Choose FDA-approved for targeted therapy; opt for consumer models only for general relaxation.

  • FDA-approved devices treat diagnosed medical conditions; wellness gadgets address general wellness without clinical claims.
  • Prescription systems include physician monitoring; consumer products operate independently with no professional guidance.
  • Clinical devices undergo double-blind studies; wellness gadgets typically skip peer-reviewed testing.
  • Insurance may cover FDA-approved systems; consumer purchases are out-of-pocket expenses.

Key Conditions Treated With Electrical Stimulation Therapy

Electrical stimulation therapy targets specific neurological and musculoskeletal failures in American patients. Chronic pain syndromes like failed back surgery syndrome and complex regional pain syndrome are primary indications for spinal cord stimulators. For movement disorders, deep brain stimulation treats Parkinson’s disease tremor and dystonia when medication fails. Vagus nerve stimulation reduces seizure frequency in drug-resistant epilepsy. Sacral neuromodulation manages bladder urgency and fecal incontinence. Peripheral nerve stimulation addresses mononeuropathies like foot drop or carpal tunnel. Q: Are these conditions permanent treatments? No—therapies manage symptoms; patients must commit to device maintenance and reprogramming as their condition evolves.

Leading Brands Dominating the U.S. Neurostimulation Market

For patients seeking best neurostimulation devices USA, the dominance of three brands shapes clinical decisions. Medtronic leads with its Intellis platform, offering proprietary closed-loop therapy that adapts stimulation in real-time, critical for complex pain. Abbott’s Proclaim family provides advanced directional leads and exclusive BurstDR waveforms, which many patients find more tolerable. Boston Scientific’s WaveWriter integrates multiple programs, including Fast Sub-Perception Therapy, allowing clinicians to fine-tune therapy without paresthesia.

These three brands cover over 90% of U.S. spinal cord stimulator implants, so device choice usually narrows to their newest rechargeable models for best outcomes.

Each platform requires distinct programming expertise, so matching the brand’s strengths to the patient’s specific pain pattern and lifestyle is the practitioner’s core task.

Boston Scientific: Precision Vercise Systems for Chronic Pain

Boston Scientific’s Precision Vercise Systems for chronic pain employ multiple independent current control to steer stimulation precisely, avoiding unwanted side effects and targeting specific pain pathways. The Vercise Genus implantable pulse generator offers burstDR stimulation, delivering patterned pulses some users find more comfortable than traditional tonic settings. Clinicians can adjust Field Steering therapy to create customized, paresthesia-free coverage. A small, rechargeable battery option reduces replacement surgeries, while the system’s MRI conditional labeling allows necessary imaging during treatment. The intuitive iPad-based programming interface simplifies follow-up adjustments for both patient and specialist.

Boston Scientific’s Precision Vercise Systems combine advanced current steering, burstDR stimulation, and patient-friendly rechargeable hardware specifically for chronic pain management.

Medtronic: SenSight and Activant Technologies Overview

Best neurostimulation devices USA

For users evaluating best neurostimulation devices in the USA, Medtronic’s SenSight lead and Activant platform represent a precise, closed-loop system. The SenSight lead integrates directional steering with multiple independent current control, allowing clinicians to shape the stimulation field away from unwanted side effects. Activant captures and processes real-time neural signals, automatically adjusting therapy parameters via the BrainSense algorithm. This sequence applies:

  1. SenSight targets specific neural structures through segmented contacts.
  2. Activant passively records or actively responds to evoked compound action potentials.
  3. The system self-optimizes, reducing programming burden while maintaining effective pain or motor symptom relief.

Such integration directly improves daily therapy consistency for chronic pain or movement disorder patients.

Abbott: Proclaim and Infinity Deep Brain Stimulation Platforms

Abbott’s Proclaim and Infinity platforms provide targeted neurostimulation for movement disorders. The Infinity Deep Brain Stimulation system offers directional lead technology, allowing clinicians to steer current away from unintended brain regions to reduce side effects. The Proclaim platform includes a rechargeable, MR-conditional implant capable of delivering BurstDR stimulation, which transmits distinct pulse patterns rather than traditional tonic waveforms. Both systems utilize a clinician-accessible tablet interface for precise programming adjustments in-office. Abbott’s ecosystem focuses on minimizing stimulation-induced discomfort while preserving therapeutic efficacy for conditions like essential tremor and Parkinson’s disease.

Abbott’s Proclaim and Infinity platforms combine directional steering, BurstDR patterns, and MR-conditional capability for targeted movement disorder management.

Non-Invasive Wearable Neurostimulators Gaining Traction

In the quiet hours before dawn, a veteran in Ohio presses a button on his temple-mounted device, a non-invasive wearable neurostimulator from Halo Neuroscience gaining traction among top USA devices for its focused cognitive boost. Across state lines, a Silicon Valley executive wears a Muse S headband during her commute, using its subtle pulsed signals to steady her anxiety without medication. Unlike bulky clinic machines, these whisper-light tools integrate into daily routines—a jog, a work call, an evening wind-down. For those seeking precision, the Neurovalens Modius device targets weight management via vestibular nerve stimulation, while the Emotiv Insight tracks EEG data alongside its neurostim pulses, offering users a closed-loop feedback system. These wearables are no longer prototypes; they are practical companions for mental performance and stress relief.

Cefaly for Migraine Prevention: Clinical Evidence and User Feedback

Cefaly’s clinical evidence for migraine prevention stems from a pivotal sham-controlled trial showing a 38% reduction in monthly migraine days after three months of daily use. User feedback frequently highlights its tolerability, with the forehead electrode causing a tingling sensation that most find non-painful. Long-term adherence is supported by a study reporting 53% of users continued treatment at 12 months, citing fewer attacks. However, some users note the effect can plateau, requiring consistent nightly 20-minute sessions. This device is FDA-cleared for migraine prevention, and patient reviews on online forums often confirm that consistent use yields gradual, noticeable relief rather than instant cessation. Clinical evidence for Cefaly migraine prevention aligns with user reports of moderate efficacy without medication side effects.

Cefaly combines clinical trial data showing a 38% migraine reduction with user feedback emphasizing tolerable daily use and gradual benefits, making it a practical non-invasive option for USA patients.

Ear-Lobe Stimulators: The Cala Trio and Its FDA Clearance

The Cala Trio is a non-invasive, wearable neurostimulator specifically designed for essential tremor, targeting the condition via bilateral stimulation of the median and radial nerves in the wrist. Its FDA clearance as a prescription-only device for hand tremors distinguishes it from broader, over-the-counter competitors. The system uses a dual-channel electrode configuration to deliver synchronized pulses, requiring daily 40-minute sessions for sustained relief. This targeted approach means efficacy depends heavily on consistent, timely use as directed by a clinician.

  • Cleared by the FDA specifically for reducing hand tremors associated with essential tremor.
  • Requires a prescription and a fitting session to calibrate stimulation parameters.
  • Operates through a wrist-worn unit that delivers electrical pulses to peripheral nerves.

Transcutaneous Electrical Nerve Stimulation (TENS) Units Reviewed

Reviews of Transcutaneous Electrical Nerve Stimulation (TENS) Units Reviewed focus on practical control over pulse rate, width, and intensity settings to target localized pain. Users compare pad placement versatility and battery life across models, with some units offering dual-channel output for treating multiple areas. Key differences arise in pre-set programs versus manual adjustment, and the quality of adhesive electrodes affects long-term comfort and unit effectiveness. Portability and clip-on designs are also highlighted in user feedback for daily use at home or during activity.

Comparison Aspect Common User Focus
Intensity Control Adjustability for comfort versus effective stimulation depth
Electrode Quality Adhesive longevity and skin irritation reports
Program Variety Number of pre-set modes versus manual customization

Prescription-Strength Interventions for Severe Conditions

For severe, treatment-resistant conditions like Parkinson’s tremor, refractory epilepsy, or chronic cluster headaches, prescription-strength neurostimulation devices in the USA deliver targeted electrical modulation that medication alone cannot achieve. The best devices—such as the Medtronic Percept™ PC for deep brain stimulation or the Abbott Proclaim™ DRG system for complex regional pain syndrome—offer programmable, closed-loop adjustments that adapt in real time to symptom fluctuations. These interventions require a rigorous clinical candidacy screening, but for appropriate patients, they can reduce symptom severity by over 60% without the systemic side effects of high-dose pharmaceuticals. Precise electrode placement and patient-specific programming are non-negotiable for safe, effective outcomes. For those who have exhausted conservative therapies, these prescription-only systems provide a durable, reversible alternative that directly alters pathological neural circuits.

Sacral Nerve Stimulation for Bladder Control: Axonics and Its Rivals

Sacral nerve stimulation for bladder control directly addresses overactive bladder and urge incontinence. Axonics leads with its rechargeable, long-life implant, offering patients a less frequent replacement schedule. Its primary rival, Medtronic’s InterStim, provides a recharge-free option but requires surgical replacement sooner. For severe conditions, the practical choice hinges on battery management:

  1. Patients preferring minimal future surgeries often choose Axonics for its **extended battery longevity
  2. Those wanting to avoid any charging routine typically select InterStim’s non-rechargeable system

Both devices deliver comparable clinical results, but the daily upkeep versus surgical interval trade-off defines the user decision.

Spinal Cord Stimulators for Failed Back Surgery Syndrome

For patients with persistent radicular pain after lumbar surgery, Spinal Cord Stimulators for Failed Back Surgery Syndrome provide a targeted, reversible alternative to further operations. These devices deliver low-voltage electrical pulses to the dorsal columns, overriding aberrant pain signals. Candidate selection typically follows a structured protocol.

  1. First, a temporary trial lead is placed percutaneously to assess pain reduction exceeding 50% over several days.
  2. If successful, a permanent implantable pulse generator is inserted subcutaneously in the lower back or abdomen.
  3. Finally, the system is programmed with parameters such as tonic, burst, or high-frequency stimulation to match the patient’s specific paresthesia coverage and comfort.

Proper electrode positioning near the T8–T10 vertebral level is critical for capturing the affected lumbar dermatomes.

Vagus Nerve Stimulation for Epilepsy and Depression: LivaNova

LivaNova’s Vagus Nerve Stimulation (VNS) therapy is a prescription-strength implant for patients with drug-resistant epilepsy and treatment-resistant depression. The device, approved for severe cases, delivers targeted vagus nerve pulses to reduce seizure frequency and alleviate depressive symptoms. A surgeon implants the generator in the chest, threading a lead to the left vagus nerve; patients receive a handheld magnet to manually activate stimulation during aura or mood decline. Programmed settings require periodic clinical adjustments by a neurologist or psychiatrist. For epilepsy, VNS typically cuts seizure frequency by 30–40% over time, while for depression, it offers sustained benefit when medications fail. Battery replacement surgery is needed every 6–10 years.

Emerging Direct-to-Consumer Neurostimulation Devices

Emerging direct-to-consumer neurostimulation devices are turning heads in the USA for their at-home focus and practical benefits. These gadgets, like the Halo Sport for motor learning or Mendi for prefrontal cortex training, let you skip clinic visits. A key to picking the best among these new tools is targeting your specific need—sleep, focus, or pain—since each device uses a distinct waveform.

Many users see real gains only after consistent daily sessions, so commit to a schedule rather than expecting overnight results.

No setup is too complex, just a headband and an app, making them accessible for anyone curious about brain and nerve modulation at home. Keep expectations realistic; they’re aids, not cures, but for targeted relief, thync inc they’re leading the direct-to-consumer shift.

Halo Sport and NeuroPrime: TMS for Focus and Cognitive Gains

For a focused boost, Halo Sport uses TMS-like priming to ramp up motor cortex activity before training, aiming to lock in accelerated skill acquisition during your session. NeuroPrime, however, delivers targeted TMS pulses directly to prefrontal regions, designed for on-demand cognitive clarity without requiring a workout. Choosing between them often depends on whether you want to enhance physical practice or sharpen mental focus in the moment.

Device Target Use Case
Halo Sport Motor cortex Pre-training priming
NeuroPrime Prefrontal cortex On-demand focus

Portable tDCS Headsets: Features, Safety, and Legal Status

Portable tDCS headsets offer adjustable milliamperage settings and pre-programmed protocols for focus or mood, but user safety hinges on strict adherence to session limits and proper electrode placement to avoid skin burns. Their legal status in the USA classifies them as general wellness products, not FDA-cleared medical devices, meaning manufacturers cannot claim to treat conditions. For the best neurostimulation devices USA, these headsets provide non-invasive brain modulation, but users must independently verify that output current stays below the safe threshold of 2 mA. Always check compliance with FCC electromagnetic interference standards before purchase.

Best neurostimulation devices USA

Portable tDCS headsets combine adjustable current and safety safeguards like automatic shut-off timers, yet their legal status as unregulated wellness tools requires buyers to prioritize models with clear safety documentation.

Comparing Costs: Insurance-Covered vs. Out-of-Pocket Options

When selecting the best neurostimulation devices in the USA, comparing insurance-covered versus out-of-pocket options hinges on upfront expense versus long-term access. Devices prescribed for FDA-cleared conditions like chronic pain often qualify for insurance reimbursement, drastically reducing your immediate cost but requiring prior authorization and a specialist referral. In contrast, direct-to-consumer devices require full out-of-pocket payment, typically ranging from hundreds to a few thousand dollars. While this eliminates insurance paperwork, upfront out-of-pocket costs can be prohibitive without a health savings account. Additionally, insurance coverage may limit device choice to approved models, while paying directly gives you unrestricted access to the latest consumer offerings.

Navigating the Buying Process for U.S. Residents

For U.S. residents buying the best neurostimulation devices, the process begins with a physician’s prescription and a thorough insurance pre-authorization. You must verify your plan’s coverage for specific devices, as many insurers require documented trial periods or fail-first therapies. Once approved, order directly from the manufacturer’s patient portal or a certified medical equipment distributor. Confirm the device’s FDA clearance matches your condition to avoid costly errors. Payment options include cash pricing, medical credit cards, or flexible spending accounts. The arrival of a pre-programmed device, paired with a clinician-led setup session, turns a complex approval chain into everyday symptom relief.

Consultation Pathways: When to See a Neurologist or Pain Specialist

When exploring the best neurostimulation devices in the USA, your first decision is which specialist to consult. A neurologist typically diagnoses the underlying nerve condition and handles conditions like epilepsy or chronic migraines. For ongoing pain management—especially for failed back surgery or complex regional pain syndrome—a pain specialist often manages device trials and programming. Choosing the right specialist first can save months of referrals. A pain specialist might not accept your case without a prior neurologist’s diagnosis. If your insurance requires a referral, start with your primary doctor to map the correct consultation pathway.

Insurance Coverage and Medicare Reimbursement Guidelines

Insurance coverage for neurostimulation devices in the USA is device-specific, requiring pre-authorization from your insurer. Verifying Medicare Part B coverage is critical, as it typically covers dorsal root ganglion stimulation for specific neuropathic pain, though other devices like occipital nerve stimulators may require a local coverage determination. Private insurers often follow Medicare’s guidelines but may impose strict trial periods before approving permanent implantation. Always confirm that your provider is a Medicare-participating supplier to avoid balance billing, and submit all required documentation, including failed conservative therapy records and psychological clearance, to support the medical necessity claim. Reimbursement eligibility hinges on strict adherence to the device’s FDA-labeled indications.

Best neurostimulation devices USA

Insurance Coverage and Medicare Reimbursement Guidelines require pre-authorization, adherence to device-specific coverage determinations, and documented medical necessity to secure payment for neurostimulation devices.

Warranty, Returns, and Customer Support Across Top Brands

When buying a neurostimulation device in the USA, the warranty and return policies vary sharply by brand. Most top brands like Fisher Wallace offer a one-year warranty, while Apollo Neuro provides a 30-day risk-free return if you’re unsatisfied. For returns, always check if the device must be unopened—some brands, like Hoolest, accept returns on used units but charge a restocking fee. Customer support for these brands is generally email-based, though Omron offers live phone support. Always save your receipt for warranty claims. Q: Do top brands offer extended warranties? A: Yes, some brands like Neuro-Fit let you purchase a two-year plan for extra peace of mind.

Real-World Performance and User Satisfaction Metrics

In the USA, the real-world performance of top-tier neurostimulation devices is measured by consistent symptom relief during daily activities, not just clinical trials. Users cite battery longevity and intuitive smartphone control as decisive factors, with satisfaction plummeting when devices require frequent recalibration. While a device may excel at blocking pain signals, its true value diminishes if the user cannot seamlessly adjust settings during a restless night. Patient-reported outcomes consistently highlight ease of use—from simple electrode placement to responsive feedback—as the metric that separates a life-enhancing tool from a frustrating chore.

Clinical Trial Outcomes for Popular Spinal Cord Stimulators

Clinical trial outcomes for popular spinal cord stimulators reveal real relief numbers. The Medtronic Intellis, studied in the SENZA-PDN trial, showed over 70% of patients achieving pain reduction without paresthesia, a key user win. Abbott’s Proclaim Omnia, backed by the PROCO trial, demonstrated consistent 80% responder rates at 12 months. Boston Scientific’s WaveWriter Alpha, from the COMBO trial, tracked 83% of users reporting lower back pain drops. These figures often hinge on precise programming adjustments, making initial clinic visits crucial for long-term success. Across all brands, outcomes emphasize sustained pain coverage over mere initial relief, with most users reporting maintained benefits beyond two years post-implant.

Patient-Reported Outcomes for Migraine and Headache Devices

Patient-reported outcomes (PROs) for migraine and headache neurostimulation devices in the USA directly capture user experiences like attack frequency reduction, pain intensity changes, and medication reliance. These metrics, gathered through standardized diaries or surveys, reveal real-world efficacy beyond clinical trials. For instance, users of transcranial and vagus nerve stimulators consistently report fewer headache days and improved quality of life. Specific PRO tools, such as the Migraine Disability Assessment (MIDAS), quantify functional improvement. Real-world patient satisfaction with these devices hinges on consistent relief and minimal side effects, directly influencing long-term adherence and perceived treatment success.

Patient-reported outcomes for migraine and headache neurostimulation devices in the USA focus on tangible, user-driven data like reduced attack frequency, lower pain scores, and less reliance on acute medications, providing a direct measure of real-world performance and user satisfaction.

Long-Term Durability: Battery Life and Maintenance Considerations

For neurostimulation devices, battery longevity and maintenance schedules directly dictate user satisfaction. Rechargeable spinal cord stimulators often deliver 9–10 years of full performance before needing a replacement battery, while primary-cell models can last 4–6 years but require a surgical swap. Daily charging routines vary: some vagus nerve stimulators need just 30 minutes a week, but deep brain implants may demand weekly overnight sessions. Users must also track electrode degradation—frequent impedance spikes signal impending hardware failure. Simple habits, like avoiding full discharge cycles and sealing connectors from moisture, prevent costly early replacements. Neglecting these considerations leads to sudden therapy interruptions, undermining the device’s core purpose of reliable symptom relief.

Future Trends Shaping the Neurostimulation Landscape

Future trends shaping the neurostimulation landscape in the USA are laser-focused on making devices smarter and more personalized. The best neurostimulation devices USA are integrating adaptive algorithms that tweak stimulation parameters in real-time based on your brain’s feedback, rather than using a one-size-fits-all setting. You’ll also see closed-loop systems becoming standard in top-tier devices, meaning they automatically adjust to stop pain or improve mood exactly when needed. This shift turns these gadgets into intuitive partners that learn your unique neural rhythms, making everyday use feel less like medical gear and more like a seamless part of your routine.

Closed-Loop Systems and Adaptive Stimulation Algorithms

Closed-loop systems are turning neurostimulation into a truly responsive experience for users of the best devices in the USA. Instead of delivering constant pulses, these systems use real-time biosignals to trigger stimulation only when needed, which can vastly improve battery life and comfort. Adaptive algorithms take this further by learning your body’s patterns, automatically adjusting intensity or frequency to match activities like sleep or walking. This means your device effectively becomes a personalized partner, reducing the guesswork for you. For many users, the practical payoff is truly personalized relief that evolves with your daily life, not a static prescription.

Wireless Charging and Miniaturization Advances

Best neurostimulation devices USA

Wireless charging is making neurostimulation devices far more convenient, letting you ditch tangled cables for simple pad placement. Miniaturization shrinks bulky implants into discreet, wearable units that sit flush against the skin, reducing visible bulk. Advances in battery efficiency pack longer runtimes into these smaller frames, so you don’t sacrifice session length. Together, these features support seamless daily use—you can charge overnight wirelessly and wear the device under clothes during the day without anyone noticing.

Regulatory Updates and Potential New Approvals by the FDA

The FDA’s evolving framework for neurostimulation devices increasingly emphasizes de novo classification pathways, which can expedite market entry for novel, low-to-moderate risk systems like closed-loop stimulators. Current review guidelines are tightening around biocompatibility validation for chronic implants, directly impacting device longevity and patient safety. Potential new approvals in 2024-2025 are expected for non-invasive vagus nerve stimulators targeting treatment-resistant depression, pending final phase III data. Simultaneously, the FDA is updating premarket requirements for spinal cord stimulators to include real-world evidence from post-approval registry studies, ensuring sustained efficacy beyond initial trials.

Regulatory Updates and Potential New Approvals by the FDA are now prioritizing expedited de novo pathways for closed-loop systems and stricter biocompatibility rules for implants, with imminent approvals for non-invasive vagus nerve stimulators and revised premarket requirements for spinal cord stimulators mandating post-approval registry data.

What Exactly Are Top-Rated Neurostimulation Devices in the USA?

Understanding How These Devices Interact With Your Nervous System

Differentiating Between TENS, CES, and tDCS Technologies

Key Components Found in Leading US-Market Models

Core Health Benefits You Can Expect From Premium Neurostimulation Devices

Pain Relief Without Medication: How These Units Target Discomfort

Improving Sleep Quality Through Gentle Brain Wave Modulation

Supporting Focus and Mental Clarity With Targeted Stimulation

How to Choose the Right Neurostimulation Device for Your Needs

Matching Stimulation Types to Your Specific Symptoms or Goals

Key Features to Compare: Electrode Placement, Intensity Levels, and Portability

Understanding Prescription vs. Over-the-Counter Options in the USA

Step-by-Step Guide to Using Your New Neurostimulation Device Safely

Proper Electrode Placement for Maximum Effectiveness

Adjusting Intensity and Session Duration for Comfortable Results

Daily Maintenance and Hygiene Tips to Extend Device Life

Common User Questions About Neurostimulation Devices in the USA

How Long Before You Notice Tangible Benefits From Regular Use

Can These Devices Be Used Alongside Other Treatments or Therapies

What Sensations Are Normal During and After a Stimulation Session