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Transcranial Electrical Stimulation

tES, tDCS, tACS, tRNS

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Meta Information

ID:transcranial-electrical-stimulation
Name:Transcranial Electrical Stimulation
Schema Version:1.5

Title

Transcranial Electrical Stimulation

Alternate Names

  • tES
  • tDCS
  • tACS
  • tRNS

Intervention Type

procedure

Expected Cost Mean

Low Cost:
300
High Cost:
1500
Cost Type:
one time
Description:
Cost of a consumer-grade tES device and necessary supplies like electrodes.

Summary

Transcranial Electrical Stimulation (tES) applies a weak, non-invasive electrical current to the scalp to modulate neuronal activity, either increasing or decreasing excitability in targeted brain regions. Its relevance to healthspan centers on the potential to enhance cognitive functions like memory and learning, improve mood, and possibly offer neuroprotective benefits, thereby aiming to preserve brain health and resilience against age-related cognitive decline.

Purpose

Modulates brain activity to potentially enhance cognition and neuroprotection.

Card Summary

A non-invasive brain stimulation technique using weak electrical currents to modulate neuronal activity, with potential applications in cognitive enhancement, mood regulation, and neuroprotection relevant to brain aging.

Drug Class

Drugs In Class

Empty Array

Impact

Score:
3.5
Justification:
Highly experimental for longevity, with most evidence focused on short-term cognitive tasks.

Evidence

Grade:
B
Score:
5.5
Justification:
Many small human trials exist, but results are inconsistent and lack long-term data.

Safety

Score:
3.8
Justification:
Generally safe within research parameters, but DIY use carries risks of misuse.

Flags

  • Effectiveness is highly dependent on precise electrode placement (montage).
  • Long-term effects of chronic, repeated use are largely unknown.
  • Risk of skin irritation or minor burns at electrode sites if not applied correctly.
  • Contraindicated for individuals with epilepsy, brain implants, or pacemakers.
  • Quality and safety of direct-to-consumer devices vary significantly.

Verdict

Experimental tool for cognitive enhancement; long-term healthspan impact is unproven.

Created

2026-04-24T00:15:00.819377Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:
none
Scope:
  • systemic

Indication

Focus:
healthspan
Description:
Transcranial Electrical Stimulation (tES) applies a weak, non-invasive electrical current to the scalp to modulate neuronal activity, either increasing or decreasing excitability in targeted brain reg...

Typical Protocol

  • Daily or weekly sessions of 20-30 minutes at 1-2 mA are common in research.
  • Specific electrode placements (montages) are used to target different brain regions.