“…a single subanesthetic dose of intravenous ketamine consistently decreases symptoms of depression in patients with treatment-resistant depression in a rapid, robust, and relatively sustained manner.”
Ketamine targets multiple areas of the brain involved in mood regulation, emotional processing, memory, and cognition. Rather than working primarily through serotonin like traditional antidepressants, ketamine acts on the brain’s glutamate system, the most abundant neurotransmitter system in the brain.
Research suggests that ketamine treatment helps restore communication between brain regions that can become disrupted in depression, including the prefrontal cortex, hippocampus, and amygdala. These areas are heavily involved in emotional regulation, stress response, decision-making, and memory formation.
Research has demonstrated that ketamine can rapidly increase synaptic signaling and spine density in the prefrontal cortex within hours of administration, suggesting a biological mechanism linked to neural repair and reconnection.
Over time, this improved connectivity is thought to support better emotional balance and more flexible thinking patterns.
Most antidepressant medications for depression only affect serotonin, norepinephrine, or dopamine. Ketamine works differently by targeting the glutamate system in the brain and blocking the NMDA receptor.
This action helps increase communication between brain cells and is associated with changes in synaptic plasticity, or the brain’s ability to form and strengthen connections. These effects are thought to play a role in ketamine’s rapid impact on mood and emotional processing compared to traditional antidepressants, often leading to faster, more sustained relief.
At New Pathways, we offer compassionate, patient-focused care with state-of-the-art ketamine therapy designed to help those facing debilitating mental health challenges.
Do medications feel like they’re merely treating surface-level symptoms?
Have pills and counseling still not given you relief?
Schedule a free phone consultation with New Pathways Clinic and find out if ketamine infusions are right for you.