For non-injured adults seeking attention, processing-speed, or executive-function gains. The 2020 Hadanny RCT in healthy >64-year-olds showed significant cognitive enhancement with HBOT compared to control, alongside cerebral blood flow increases on perfusion MRI. The 2022 Marcinkowska systematic review across 42 studies found broadly consistent cognitive signals.
XI
Strong evidence
Condition XI — The Saturation Method
Cognitive Performance.
Hadanny 2020 (Aging) randomized 63 healthy adults over 64 to HBOT or control for 3 months. The HBOT group showed significant gains in attention (effect size 0.745) and information processing speed (effect size 0.788), with corresponding cerebral blood flow increases in prefrontal regions on perfusion MRI. This is a different population and use case from the TBI page — there, HBOT addresses injury; here, it addresses age-related decline in cognitively-intact adults.
Pressure
2 ATA
Standard protocol pressure
Course length
60
Sessions of 90 minutes each
Evidence base
1
Indexed clinical trials
Frequency
5 sessions per week
Documented protocol cadence
01 — Science
01 — The science
Why HBOT works for the injured brain.
02 — Protocol
02 — The protocol
The cognitive performance prescription.
The standard Saturate protocol for cognitive performance follows the cited trial below — the most widely-referenced study for this condition. The card to the right shows the base parameters drawn directly from it.
Your personalized version will adjust based on chronicity, prior HBOT experience, age, and any contraindications flagged in screening. Most adjustments are minor — pressure caps, ramp-up modifications, slight course length changes — but they materially affect safety and outcome.
SAT — 2 · 60
Strong evidence
Matched to
A et al., 2020
Aging (Albany NY) · n=63 · RCT
The protocol for
Cognitive Performance
- Required pressure
- 2 ATA
- Required oxygen concentration
- 100%
- Session length
- 90 minutes
- Frequency
- 5 sessions per week
- Total course
- 60 sessions
Sourced from
A et al., 2020
Aging (Albany NY) · n=63 · RCT
Saturate Method · v.01
Base protocol
03 — Studies
03 — The named studies
Three trials, cited by name.
We don't say "studies suggest." We name the studies. Each summary below is drawn from the original peer-reviewed publication — link through to read the full breakdown.
04 — Timeline
04 — The timeline
What the literature documents at each stage.
Below is what published trials report at each phase of the cognitive performance protocol. Individual results vary — these are the documented patterns from the named cohorts, not predictions of your outcome.
Sessions 1 — 5
Adjustment & acclimation.
Body adjusts to pressurized oxygen. Most participants report no acute changes — early sessions establish safety patterns and chamber familiarity.
Per published protocolSessions 5 — 20
Subjective changes begin.
Reported improvements in sleep quality, energy, and mental clarity start to emerge. Quantitative testing has not yet shown statistically significant change at this stage in published trials.
Mid-protocol observationsSessions 20 — 40
Measurable changes documented.
Standardized assessments show statistically significant improvement in published trials at this stage. Imaging (SPECT, DTI, fMRI) documents biological correlates of the clinical changes.
Per cited trialsPost-protocol
Effects persist.
Gains documented at end of protocol have held at 6-month follow-up in published cohorts. Some sub-domains continued improvement after the protocol ended.
Per published follow-upsWeekly notes