Gut-brain axis: microbiome affects mood and behavior

Gut microbiota influences serotonin levels, anxiety, and social behavior. Psychobiotics (probiotics affecting the mind) — a new concept in psychiatry.

Modern neuroscience has transformed our understanding of the brain-mind relationship. Techniques like fMRI, high-density EEG, and optogenetics have allowed us to observe the brain in action and establish links between neural circuits and psychological functions. This has enriched both psychological theory and clinical practice.

The 2010s were the era of open science, the replication crisis, and data democratization. Psychology reinvented its methods and emerged as a leader in science reform. Meanwhile, social media transformed human relationships and raised new questions about mental health.

Significance: This milestone significantly contributed to the development of psychology as a science and profession, influencing research, clinical practice, or public policy.