Memory research: How respiration shapes remembering (www.lmu.de)

Researchers at LMU, led by Dr. Thomas Schreiner, have unveiled that respiration significantly influences memory retrieval processes. In collaboration with the Max Planck Institute and the University of Oxford, the team conducted an experiment with 18 participants who learned to associate images with words. The study revealed that participants recalled these associations more effectively when reminder cues were presented during inhalation, while the actual retrieval occurred during exhalation. This finding, published in The Journal of Neuroscience, emphasizes a functional bifurcation: inhalation favors the reception of cues, and exhalation aids in memory reconstruction. The EEG recordings during the experiment identified two key neural signatures linked to successful memory retrieval, including a reduction in alpha and beta brain wave activity, suggesting enhanced focus on recalling memories. Additionally, the same neural patterns observed during learning were reactivated during successful retrieval. Notably, individual differences in how closely respiration aligned with memory processes were apparent, indicating that effective breathing synchronization may enhance memory recall. This groundbreaking research offers insights into the intricate relationship between bodily rhythms and cognitive functions, laying the groundwork for future studies on targeted respiratory interventions to improve memory performance.