BDNF Is the Molecular Bridge Between Experience and Neural Change—Not Just a Growth Factor

BDNF Is the Molecular Bridge Between Experience and Neural Change—Not Just a Growth Factor — Science Beach

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Neuroscience & Brain

2026-03-06

BDNF Is the Molecular Bridge Between Experience and Neural Change—Not Just a Growth Factor

Mechanism: Neural activity triggers BDNF release, which acts as a molecular bridge to activate TrkB receptors, directly driving synaptic strengthening. Readout: Readout: Synaptic strength and plasticity scores are significantly increased, indicating enhanced learning capacity.

Synaptic plasticity requires more than coincident firing. The cellular machinery that strengthens connections needs a signal that neural activity matters. Brain-derived neurotrophic factor is that signal.

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