Baptiste Psychologue & neuropsychologue@le.neuropsyInstagram

Ton cerveau à 40 ans peut encore se réorganiser et créer de nouvelles connexions. Ce n’est pas du

… more

what it claims

The adult brain retains its capacity for neuroplasticity throughout life, allowing for the creation of new connections, which is stimulated by learning, exercise, meditation, social ties, and sleep, but hindered by chronic stress.

holds up

The concept of adult neuroplasticity is a solid scientific consensus, validated by numerous neuroscience studies, replacing the old view of a static brain.

noli's read

The concept of adult neuroplasticity is a solid scientific consensus, validated by numerous neuroscience studies, replacing the old view of a static brain. The study by Maguire et al. (2000), published in PNAS, is a classic observational reference showing structural changes in the hippocampus of taxi drivers related to spatial navigation. The pillars cited for stimulating this plasticity (exercise, sleep, learning) are supported by a large body of research, notably meta-analyses showing the positive impact of physical activity on brain-derived neurotrophic factor (BDNF). The negative impact of chronic stress is also well documented, with evidence showing how prolonged elevation of cortisol can influence brain structure. The creator presents a synthesis that is very faithful to the current state of research without falling into exaggeration. There is no pseudoscience here, but rather an accurate popularization of observed physiological mechanisms.

the sources

Claimed by Baptiste Psychologue & neuropsychologue. Noli grades the claim, never the person.

Decoded by Noli · July 18, 2026 · the original post

What the graded evidence says

Evidence: B+

Linked to, not proven to cause.

Effect: survival by strength of social relationships; mortality risk from loneliness/social isolation/living alone (meta-analyses of cohorts) — stronger social relationships OR 1.50 (95% CI 1.42-1.59) for survival; social isolation OR 1.29, loneliness OR 1.26, living alone OR 1.32 for mortality
Measured on: adults across many countries and age groups (308,849+ participants pooled)

These are associations from cohort studies, so healthier, better-resourced people may both connect more and live longer. The link is strong and consistent, but claims that touch or connection directly "change your gene expression" go beyond the evidence.

Baptiste Psychologue & neuropsychologue in the Register49 claims graded · solidity 94/100See their record →