Topic: fiber optic photometry

Serotonin (5-hydroxytryptamine; 5-HT) plays an important role in a wide range of mental abilities, including modulation of emotions, motivation, and impulse control. Pathological changes in serotonin levels are associated with mental disorders such as depression, anxiety, and aggression. Chronic stress or traumatic experiences are thought to trigger the development of depression. However, only a subset of individuals experiencing chronic stress or traumatic life events develop depressive-like behavior (susceptible), while others remain resilient. In order to investigate multiple aspects of dep