Mar 22, 2026Mental HealthDo Lower fNIRS Brain Signals Predict Better Focus?Two botanical trials lowered prefrontal oxyhemoglobin on fNIRS, but only one improved working memory. Why the biomarker cannot yet sell a nootropic.nootropicsbacopa monnieriworking memoryfnirsRead article →
Mar 21, 2026Mental HealthCan Mild Cycling Sharpen Executive Function After 68?A 3-month cycling trial improved Stroop performance with lower prefrontal activation in older adults. The neural-efficiency claim needs caution.neural efficiencycognitive functionprefrontal cortexagingRead article →