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🐀 Rat · 2021 · Spain (Oviedo)

Photobiomodulation effects on active brain networks during a spatial memory task

Gutiérrez-Menéndez · Physiol Behav · 2021

The protocol this study used

Wavelength
1064 nm
Dose
20 J/cm²
Sessions
—
Per session
—

What the authors concluded

After five days of PBM, the control photobiomodulation group showed a decrease of CCO levels in the striatum, medial septum, entorhinal, hippocampus, amygdala, thalamus, mammillary nuclei and VTA. Both behavioural groups performed the task correctly, however, the behavioural photobiomodulation group displayed CCO reduction in some regions involved in the execution of the reversal task: septum, e

Devices that emit this wavelength

Matched on wavelength within 15nm, since LED bins vary by roughly that much and a tighter match would be false precision. Where we have an irradiance figure, the session length is the time needed to reach this study's dose of 20 J/cm² at that intensity.

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PlatinumLED BIOMAX 900
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Measured
$1,299
≈ 3 min 41 sec / session
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PlatinumLED BIOMAX 300
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Measured
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≈ 4 min 46 sec / session
at 70 mW/cm²
Rouge Pro G4
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Measured
$1,121
≈ 5 min 38 sec / session
at 59.2 mW/cm²
PlatinumLED BIOMAX PRO ULTRA
480 · 630 · 660 · 810 · 830 · 850 · 1060 nm
Measured
$1,599
≈ 3 min 18 sec / session
at 101 mW/cm²
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≈ 4 min 27 sec / session
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Brand claim
$1099.95
≈ 4 min 4 sec / session
at 82 mW/cm²

Matching a wavelength is not the same as reproducing a trial. Session times assume the device's published irradiance is accurate at the distance it was measured, which on brand-claim figures is often optimistic. Where a device publishes both a peak and an average we use the average, and where it publishes a falloff curve we use the lowest figure, so these times run long rather than short. Clinical protocols also control for spot size, contact and skin type in ways a home device cannot.

Source

PubMed 33338484 →

Dosimetry extracted by Vladimir Heiskanen in Photobiomodulation (PBM) research - a comprehensive database. Citation resolved against PubMed.