Ketamine Therapy Treatment-Resistant Depression Bipolar Disorder Severe Anxiety Posttraumatic Stress Disorder   Ketamine The Glutamate Story Glutamate is a major excitatory neurotransmitter and became a focus of investigation in mood disorders because of elevated levels of glutamate from imaging and post-mortem studies.1  The three subtypes of glutamate receptors are all ion channels, called the NMDA, … Continue reading Treatments